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Contents
- 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
Weather in January
January, the same as December, in Glencullen, Ireland, is a frosty winter month, with an average temperature ranging between max 7.8°C (46°F) and min 4.5°C (40.1°F). Glencullen experiences its coldest period in January and February, averaging a high-temperature of 7.8°C (46°F). Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Glencullen, Ireland, with temperature in the range of an average high of 7.8°C (46°F) and an average low of 4.4°C (39.9°F). The coldest period falls in January and February, when the average high-temperature reaches 7.8°C (46°F). Weather in February »
Weather in March
The first month of the spring, March, is still a chilly month in Glencullen, Ireland, with an average temperature ranging between max 8.8°C (47.8°F) and min 4.6°C (40.3°F). The initiation of March records an average high-temperature of a still chilly 8.8°C (47.8°F), displaying a near consistency with the previous month. Weather in March »
Weather in April
April in Glencullen, Ireland, is a cool spring month, with an average temperature fluctuating between 10.3°C (50.5°F) and 6.3°C (43.3°F). Glencullen measures an average high-temperature of a cool 10.3°C (50.5°F) in April, nearly consistent with the preceding month. Weather in April »
Weather in May
May, the last month of the spring in Glencullen, is another cool month, with an average temperature ranging between max 12.6°C (54.7°F) and min 8.3°C (46.9°F). In Glencullen, May's average high-temperature stands at a still fresh 12.6°C (54.7°F), closely related to the preceding month. Weather in May »
Weather in June
June, the first month of the summer in Glencullen, is a moderate month, with an average temperature varying between 10.8°C (51.4°F) and 15.1°C (59.2°F). With the arrival of June, Glencullen's average high-temperature registers at a refreshing 15.1°C (59.2°F), indicating a subtle variation from the previous month. Weather in June »
Weather in July
July is an enjoyable summer month in Glencullen, Ireland, with temperature in the range of an average low of 12.3°C (54.1°F) and an average high of 16.9°C (62.4°F). July and August, with an average high-temperature of 16.9°C (62.4°F), are marked as the warmest months. Weather in July »
Weather in August
August, the last month of the summer in Glencullen, is another refreshing month, with an average temperature ranging between max 16.9°C (62.4°F) and min 12.7°C (54.9°F). Glencullen experiences the peak of its temperatures in July and August, when the average high-temperatures rise to 16.9°C (62.4°F). Weather in August »
Weather in September
September, the first month of the autumn in Glencullen, is still a mild month, with temperature in the range of an average low of 11.3°C (52.3°F) and an average high of 15.2°C (59.4°F). Glencullen's average high-temperature marks a mild 15.2°C (59.4°F) with the advent of September, closely mirroring that of the preceding month. Weather in September »
Weather in October
October, the same as September, in Glencullen, Ireland, is another mild autumn month, with an average temperature fluctuating between 9.9°C (49.8°F) and 13.4°C (56.1°F). October ushers in an average high-temperature of a still moderate 13.4°C (56.1°F), aligning closely with the preceding month. Weather in October »
Weather in November
November, the last month of the autumn in Glencullen, is also a fresh month, with an average temperature ranging between max 10.1°C (50.2°F) and min 7.1°C (44.8°F). November sees a slight reduction in average high-temperature, with a shift from a moderate 13.4°C (56.1°F) in October to a cool 10.1°C (50.2°F). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Glencullen, Ireland, with an average temperature ranging between min 5.4°C (41.7°F) and max 8.5°C (47.3°F). Transitioning from November to December, Glencullen observes an average high-temperature of a chilly 8.5°C (47.3°F), differing subtly from the previous month. Weather in December »
Updated: Jan 29, 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 part of the year is the coldest in Glencullen?
January and February in Glencullen are characterised by lowest temperatures, with an average high of 7.8°C (46°F).
How many days does it rain in Glencullen?
Throughout the year, in Glencullen, there are 200.5 rainfall days, and 530mm (20.87") of precipitation is accumulated.
When does it snow in Glencullen?
Months with snowfall in Glencullen are January through March, November and December.
How much does it snow in Glencullen?
Throughout the year, there are 4.6 snowfall days, and 24mm (0.94") of snow is accumulated.
What is the month with the lowest UV index in Glencullen?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the least humid month in Glencullen?
March is the least humid month in Glencullen, with an average relative humidity of 82%.
When it does not snow in Glencullen?
In Glencullen, Ireland, snow does not fall in April through October.
What is the driest month in Glencullen?
The month with the least rainfall in Glencullen is May, when the rain falls for 16.1 days and typically collects 27mm (1.06") of precipitation.
What month has the most sunshine in Glencullen?
May has the most sunshine of the year, with an average of 8h of sunshine.
When is the highest UV index in Glencullen?
The months with the highest UV index in Glencullen, Ireland, are May through September, with an average maximum UV index of 4.
When are the longest days in Glencullen?
June has the longest days of the year in Glencullen, Ireland, with an average of 16h and 54min of daylight.
What part of the year is the hottest in Glencullen?
July and August, with an average high-temperature of 16.9°C (62.4°F), are marked as the warmest months in Glencullen, Ireland.
What is the most humid month in Glencullen?
July is the most humid month in Glencullen, with an average relative humidity of 86%.
When is Daylight Saving Time (DST) in Glencullen?
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 wettest month in Glencullen?
The month with the most rainfall in Glencullen, Ireland, is November, when the rain falls for 17.6 days and typically aggregates up to 71mm (2.8") of precipitation.
What is the month with the least sunshine in Glencullen?
November has the least sunshine of the year in Glencullen, Ireland, with an average of 4.3h of sunshine.
What is the snowiest month in Glencullen?
December is the month with the most snowfall in Glencullen. Snow falls for 1.1 days and accumulates 9mm (0.35") of snow.
What is the month with the shortest days in Glencullen?
December has the shortest days of the year in Glencullen, with an average of 7h and 36min of daylight.
Average temperature
Glencullen, Ireland
The warmest months (with the highest average high temperature) are July and August (16.9°C).
The months with the lowest average high temperature are January and February (7.8°C).
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (4.4°C).
Average pressure
Glencullen, Ireland
- Average pressure in January:
1011.6mbar - Average pressure in February:
1011.2mbar - Average pressure in March:
1014.2mbar - 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:
1012.9mbar - Average pressure in September:
1015.4mbar - Average pressure in October:
1012.8mbar - Average pressure in November:
1008.3mbar - Average pressure in December:
1011.1mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed
Glencullen, Ireland
- Average wind speed in January:
25.8km/h - Average wind speed in February:
25.1km/h - Average wind speed in March:
21.7km/h - Average wind speed in April:
18.6km/h - Average wind speed in May:
18.1km/h - Average wind speed in June:
16km/h
- Average wind speed in July:
15.9km/h - Average wind speed in August:
17.7km/h - Average wind speed in September:
19.1km/h - Average wind speed in October:
21.1km/h - Average wind speed in November:
24.6km/h - Average wind speed in December:
25.9km/h
The windiest month (with the highest average wind speed) is December (25.9km/h).
The calmest month (with the lowest average wind speed) is July (15.9km/h).
Average humidity
Glencullen, Ireland
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (82%).
Average rainfall
Glencullen, Ireland
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days
Glencullen, Ireland
- Average rainfall days in January:
16.6 days - Average rainfall days in February:
15.8 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
20.4 days - Average rainfall days in August:
19.3 days - Average rainfall days in September:
14.9 days - Average rainfall days in October:
15.8 days - Average rainfall days in November:
17.6 days - Average rainfall days in December:
17 days
The month with the highest number of rainy days is July (20.4 days).
The months with the least rainy days are March and September (14.9 days).
Average snowfall
Glencullen, Ireland
The month with the highest snowfall is December (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Glencullen, Ireland
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
1.3 days - Average snowfall days in March:
0.5 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:
0.4 days - Average snowfall days in December:
1.1 days
The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Glencullen, 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 2min - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 0min - Average sunshine in June:
7h and 5min
- Average sunshine in July:
7h and 3min - Average sunshine in August:
7h and 4min - Average sunshine in September:
7h and 2min - Average sunshine in October:
4h and 3min - Average sunshine in November:
4h and 2min - Average sunshine in December:
4h and 4min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).
Average sunshine days
Glencullen, Ireland
- Average sunshine days in January:
10.9 days - Average sunshine days in February:
8.4 days - Average sunshine days in March:
11.5 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
7.2 days - Average sunshine days in August:
7.6 days - Average sunshine days in September:
11 days - Average sunshine days in October:
9.5 days - Average sunshine days in November:
7.3 days - Average sunshine days in December:
10.2 days
The month with the most sunshine days is April (11.7 days).
The month with the least sunshine days is July (7.2 days).
Average UV index
Glencullen, Ireland
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Glencullen, Ireland
The months with the most cloud cover are February and November (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility
Glencullen, Ireland
The months with the highest visibility are January, March, October and November (10km).
The months with the lowest visibility are February, April, May, June, July, August, September and December (9km).
Glencullen, Ireland
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