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Contents
- The climate of Clondalkin
- The best time to visit Clondalkin
- The worst time to visit Clondalkin
- Spring weather in Clondalkin
- Summer weather in Clondalkin
- Autumn weather in Clondalkin
- Winter weather in Clondalkin
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Clondalkin
The region of Clondalkin, Ireland experiences a Marine west coast type of climate, denoted as Cfb in Köppen climate classification. This is a weather pattern typically found on the west coast in the middle latitudes where oceanic influence plays a significant role in regulating the temperature and precipitation.
Throughout the year, average high temperatures in Clondalkin fall between 7.1°C (44.8°F) and 17.3°C (63.1°F), while low temperature averages on a monthly basis vary from 2.5°C (36.5°F) to 11.2°C (52.2°F). Humidity levels are fairly consistent, oscillating between 85% and 90% all year round. Rainfall distribution is slightly irregular, with monthly averages ranging from 30mm (1.18") to 71mm (2.8").
Another characteristic of the region is the prevalence of cloud cover, which is fairly constant all year-round with averages between 55% and 64%. Wind speed varies from 13.6km/h (8.5mph) to 21.1km/h (13.1mph) adding an element of wind chill to the occurrence of cold temperatures, particularly in winter. Snowfall is relatively uncommon with any significant amount only occurring in the months of January, February and December. Considering the daylight and sunshine availability, daylight hours peak at 16.9 hours in June and dip to a low of 7.6 hours in December. Sunshine hours stay relatively stable, clocking in between 3.9 hours and 6.7 hours on average.
Throughout the year, average high temperatures in Clondalkin fall between 7.1°C (44.8°F) and 17.3°C (63.1°F), while low temperature averages on a monthly basis vary from 2.5°C (36.5°F) to 11.2°C (52.2°F). Humidity levels are fairly consistent, oscillating between 85% and 90% all year round. Rainfall distribution is slightly irregular, with monthly averages ranging from 30mm (1.18") to 71mm (2.8").
Another characteristic of the region is the prevalence of cloud cover, which is fairly constant all year-round with averages between 55% and 64%. Wind speed varies from 13.6km/h (8.5mph) to 21.1km/h (13.1mph) adding an element of wind chill to the occurrence of cold temperatures, particularly in winter. Snowfall is relatively uncommon with any significant amount only occurring in the months of January, February and December. Considering the daylight and sunshine availability, daylight hours peak at 16.9 hours in June and dip to a low of 7.6 hours in December. Sunshine hours stay relatively stable, clocking in between 3.9 hours and 6.7 hours on average.
The best time to visit Clondalkin
Considering the various weather parameters, the most favorable period to visit Clondalkin, Ireland is from April to June. During these months, high temperatures average between 10.9°C (51.6°F) and 16°C (60.8°F), while lows moderately swing from 4.6°C (40.3°F) to 9.3°C (48.7°F). Rainfall is moderately low and sunshine hours tend to increase, averaging between 6.6 hours and 6.7 hours per day. With relative humidity levels around 85%, visitors can enjoy outdoor activities. However, it is advisable to pack some rain gear as rainfall occurrence is undeniable in this maritime climate.
The worst time to visit Clondalkin
Generally, the less favorable period to make plans to visit Clondalkin is between October and December. During this time, temperatures start a downward trend, with high temperatures falling to averages from 12.8°C (55°F) to 7.1°C (44.8°F) and lows dropping between 8°C (46.4°F) to 3.4°C (38.1°F). This is also a period that records the highest rainfall averages, up to 60mm (2.36") in November and 47mm (1.85") in December, enhancing the cold chill. Moreover, daylight reaches its annual minimum, with average hours falling to 8.7 in November and just 7.6 in December.
Spring weather in Clondalkin
Springtime in Clondalkin exhibits mild and moderately wet conditions. From March to May, temperatures show a gradual warming trend, with highs adjusting from 8.8°C (47.8°F) to 13.5°C (56.3°F) and lows lifting from 2.8°C (37°F) to 6.8°C (44.2°F). Rainfall during spring fluctuates between 30mm (1.18") and 34mm (1.34"), contributing to the overall lush green landscapes typical of Ireland in this period.
Summer weather in Clondalkin
In Clondalkin, summer extends from June to August. Average high temperatures peak at 17.3°C (63.1°F) in July, while low temperatures register at 11.2°C (52.2°F). Rainfall is quite prevalent, particularly in July where an average rainfall of 60mm (2.36") is recorded. Despite the precipitation, these months are the sunniest with approximately 16.4 daylight hours in July.
Autumn weather in Clondalkin
Autumn in Clondalkin experiences a gradual decrease in temperatures and an increase in rainfall. From September to November, high temperatures drop from 15.3°C (59.5°F) to 9.1°C (48.4°F), while lows taper off from 9.1°C (48.4°F) to 4.8°C (40.6°F). Rainfall rises to its peak with an average of 60mm (2.36") in November, coinciding with a shrinkage in sunshine hours from 6.1 in September to 3.9 in November.
Winter weather in Clondalkin
Winter in Clondalkin spans December to February. These months register the coldest conditions with average high temperatures fluctuating between 7.1°C (44.8°F) in December and 7.3°C (45.1°F) in February. Low averages dip to 3.4°C (38.1°F) in December. The winter months also see the least amount of sunshine, with an average ranging from 3.9 hours to 4 hours per day, and increased precipitation with December bringing an average rainfall of 47mm (1.85"). The wind speed in February registers at 20.8km/h (12.9mph), which can magnify the perceived coldness.
Weather in January
Clondalkin experiences a chilly start to the year in January with frost dusting the ground on many mornings. Walking under the steel-grey clouds keeps locals well-wrapped in woolen accents. Snow graces the city in this month with an average snowfall accumulation of 17mm (0.67"). Weather in January »
Weather in February
The last month of winter, February, holds on to the biting cold. Still, it offers slightly milder temperatures compared to January. The rainfall increases by 2mm (0.08") from January to February, amounting to a total of 38mm (1.5"), making it a bit wetter. Weather in February »
Weather in March
In March, spring makes its debut in Clondalkin. The weather warms slightly, with the hint of winter's frosty chill dwindling in the rearview. The significant decrease in snowfall, from 19mm (0.75") in February down to 6mm (0.24") in March, signals the end of the winter season. Weather in March »
Weather in April
April brings a welcome change to the Clondalkin weather patterns. The warmer temperatures usher in a refreshing break from the chill of winter. The lack of snowfall, compared to 6mm (0.24") in March, signifies the firm establishment of spring. Weather in April »
Weather in May
May marks a noticeable shift in Clondalkin's weather, introducing milder temperatures conducive to outdoor plans. The air smells of damp soil after rains, a tangible sign of the rainy spring season. Umbrellas become a common sight due to the forecasted 34mm (1.34") of rainfall, matching the levels recorded in April. Weather in May »
Weather in June
June brings with it the summer solstice in Clondalkin, marking the beginning of longer days and shorter nights. The season unfolds amid milder weather conditions and comfortable temperatures. Rainfall escalates to 64mm (2.52") in June, up from 34mm (1.34") in May, adding a soothing freshness to the warm summer air. Weather in June »
Weather in July
In July, the Clondalkin summer is in full swing. The weather is slightly warmer than in June, making it perfect for a myriad of outdoor activities. An increased precipitation level to 60mm (2.36"), down by 4mm (0.16") from June, provides a refreshing balance to the warm days. Weather in July »
Weather in August
August witnesses the peak of the summer in Clondalkin, with temperatures holding steady from July. Wet weather remains key with the rainfall marking the highest for the year at 71mm (2.8"). Despite this, the city comes alive with outdoor festivals and events. Weather in August »
Weather in September
As September arrives, the onset of autumn can be sensed in Clondalkin's air. Temperatures take a slight dip and the days become noticeably shorter. The transitionary weather is marked by a decreased rainfall condition, down to 46mm (1.81") from 71mm (2.8") in August. Weather in September »
Weather in October
October spells autumn in full-effect for Clondalkin. The weather becomes increasingly colder as the month progresses. The noticeable shift towards cooler temperatures is complemented by the autumn foliage's mesmerizing color palette. Weather in October »
Weather in November
November's arrival in Clondalkin heralds the beginning of winter with a distinct nip in the air. The weather becomes significantly colder, making heaters and fireplaces essential. Snowfall makes a comeback in November, with a light dusting of 1mm (0.04") after a long snow-free spell from April to October. Weather in November »
Weather in December
December, the final month of the year, brings authentic winter weather to Clondalkin. The landscape is often shrouded in mist and frost, creating a picturesque winter scene. It stands as the month with the highest snowfall at 13mm (0.51"), a significant increase from just 1mm (0.04") in November. Weather in December »
Updated: Aug 13, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
January, characterized by an average high temperature of 7°C (44.6°F) and a low temperature of 2.7°C (36.9°F), is generally the coldest month.
How many days does it rain?
Throughout the year, in Clondalkin, there are 209.2 rainfall days, and 564mm (22.2") of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
How many days does it snow?
In Clondalkin, during the entire year, snow falls for 7.1 days and aggregates up to 56mm (2.2") of snow.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 2.4 days and typically aggregates up to 19mm (0.75") of snow.
What is the month with the least sunshine?
The months with the least sunshine in Clondalkin are February, October and November, with an average of 3.9h of sunshine.
What is the least humid month?
The months with the lowest humidity are March through May, with an average relative humidity of 85%.
What is the driest month?
April is the month with the least rainfall. Rain falls for 16.8 days and accumulates 30mm (1.18") of precipitation.
When it does not snow?
In Clondalkin, snow does not fall in April through October.
What are the months with the most sunshine?
The months with the most sunshine are April and May, with an average of 6.7h of sunshine.
When is the highest UV index?
The months with the highest UV index are May, June and August, with an average maximum UV index of 4.
When are the longest days?
June has the longest days of the year, with an average of 16h and 54min of daylight.
What is the hottest time of year?
Temperature records mark July as the warmest month, with highs averaging 17.3°C (63.1°F) and lows at 11.2°C (52.2°F).
What is the rainiest month?
August is the month with the most rainfall. Rain falls for 24.2 days and accumulates 71mm (2.8") of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from IST to GMT. Daylight Saving Time ends on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to IST.
What is the most humid month?
The most humid month is December, with an average relative humidity of 90%.
What is the month with the shortest days?
The month with the shortest days in Clondalkin is December, with an average of 7h and 36min of daylight.
Average temperature
Clondalkin, Ireland
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (7°C).
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).
Average pressure
Clondalkin, Ireland
- Average pressure in January:
1011.5mbar - Average pressure in February:
1011.1mbar - Average pressure in March:
1014.1mbar - Average pressure in April:
1014.8mbar - Average pressure in May:
1016mbar - Average pressure in June:
1015.3mbar
- Average pressure in July:
1014mbar - Average pressure in August:
1012.8mbar - Average pressure in September:
1015.3mbar - Average pressure in October:
1012.7mbar - Average pressure in November:
1008.3mbar - Average pressure in December:
1011mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed
Clondalkin, Ireland
- Average wind speed in January:
21.1km/h - Average wind speed in February:
20.8km/h - Average wind speed in March:
18.5km/h - Average wind speed in April:
15.6km/h - Average wind speed in May:
15.5km/h - Average wind speed in June:
13.6km/h
- Average wind speed in July:
13.6km/h - Average wind speed in August:
14.8km/h - Average wind speed in September:
15.3km/h - Average wind speed in October:
16.7km/h - Average wind speed in November:
18.9km/h - Average wind speed in December:
21km/h
The windiest month (with the highest average wind speed) is January (21.1km/h).
The calmest months (with the lowest average wind speed) are June and July (13.6km/h).
Average humidity
Clondalkin, Ireland
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are March, April and May (85%).
Average rainfall
Clondalkin, Ireland
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days
Clondalkin, Ireland
- Average rainfall days in January:
14.6 days - Average rainfall days in February:
13.6 days - Average rainfall days in March:
15.4 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
19 days - Average rainfall days in June:
19 days
- Average rainfall days in July:
23.3 days - Average rainfall days in August:
24.2 days - Average rainfall days in September:
17.8 days - Average rainfall days in October:
16 days - Average rainfall days in November:
14.6 days - Average rainfall days in December:
14.9 days
The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is February (13.6 days).
Average snowfall
Clondalkin, Ireland
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Clondalkin, Ireland
- Average snowfall days in January:
1.4 days - Average snowfall days in February:
2.4 days - Average snowfall days in March:
1.9 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
1.2 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Clondalkin, Ireland
- Average daylight in January:
8h and 1min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 5min - Average daylight in June:
16h and 5min
- Average daylight in July:
16h and 2min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 4min - Average daylight in December:
7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 1min - Average sunshine in April:
6h and 4min - Average sunshine in May:
6h and 4min - Average sunshine in June:
6h and 4min
- Average sunshine in July:
6h and 0min - Average sunshine in August:
6h and 2min - Average sunshine in September:
6h and 1min - Average sunshine in October:
3h and 5min - Average sunshine in November:
3h and 5min - Average sunshine in December:
4h and 1min
The months with the most sunshine are April and May (Average sunshine: 6h and 42min).
The months with the least sunshine are February, October and November (Average sunshine: 3h and 54min).
Average sunshine days
Clondalkin, Ireland
- Average sunshine days in January:
13.2 days - Average sunshine days in February:
11.1 days - Average sunshine days in March:
11.6 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
8.1 days
- Average sunshine days in July:
5.3 days - Average sunshine days in August:
3.4 days - Average sunshine days in September:
9 days - Average sunshine days in October:
10.8 days - Average sunshine days in November:
12.8 days - Average sunshine days in December:
13 days
The month with the most sunshine days is January (13.2 days).
The month with the least sunshine days is August (3.4 days).
Average UV index
Clondalkin, Ireland
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Clondalkin, Ireland
The month with the most cloud cover is July (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility
Clondalkin, Ireland
The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).
