Climate and monthly weather forecastDalkey, Ireland
Climate and monthly weather forecast
Weather in January
January, the same as December, in Dalkey, Ireland, is another chilly winter month, with an average temperature fluctuating between 7.8°C (46°F) and 4.5°C (40.1°F). January and February, with an average high-temperature of 7.8°C (46°F), are the coldest months. Weather in January »Weather in February
February, the last month of the winter in Dalkey, is another chilly month, with an average temperature fluctuating between 7.8°C (46°F) and 4.4°C (39.9°F). Dalkey sees its lowest temperatures during January and February, with an average high-temperature of 7.8°C (46°F). Weather in February »Weather in March
March, the first month of the spring in Dalkey, is still a chilly month, with an average temperature fluctuating between 8.8°C (47.8°F) and 4.6°C (40.3°F). March registers an average high-temperature of a still frosty 8.8°C (47.8°F), slightly varied from February's 7.8°C (46°F). Weather in March »Weather in April
April is a fresh spring month in Dalkey, Ireland, with an average temperature ranging between max 10.3°C (50.5°F) and min 6.3°C (43.3°F). The average high-temperature for April is a fresh 10.3°C (50.5°F), closely aligning with the temperature of the preceding month. Weather in April »Weather in May
The last month of the spring, May, is also a fresh month in Dalkey, Ireland, with an average temperature varying between 8.3°C (46.9°F) and 12.6°C (54.7°F). Shifting into May, Dalkey records an average high-temperature of a still fresh 12.6°C (54.7°F), presenting minor fluctuations compared to the previous month. Weather in May »Weather in June
The first month of the summer, June, is a mild month in Dalkey, Ireland, with an average temperature ranging between max 15.1°C (59.2°F) and min 10.8°C (51.4°F). The transition into June reveals an average high-temperature of a refreshing 15.1°C (59.2°F), mirroring a close resemblance to May. Weather in June »Weather in July
July is a refreshing summer month in Dalkey, Ireland, with an average temperature ranging between min 12.3°C (54.1°F) and max 16.9°C (62.4°F). July and August mark Dalkey's peak of temperatures, averaging a high-temperature of 16.9°C (62.4°F). Weather in July »Weather in August
August, the last month of the summer in Dalkey, is another comfortable month, with an average temperature fluctuating between 16.9°C (62.4°F) and 12.7°C (54.9°F). The months of July and August see the peak of Dalkey's temperatures, averaging a high of 16.9°C (62.4°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderate month in Dalkey, Ireland, with an average temperature fluctuating between 11.3°C (52.3°F) and 15.2°C (59.4°F). September's arrival brings an average high-temperature of a mild 15.2°C (59.4°F), demonstrating subtle variation from the preceding month. Weather in September »Weather in October
October, the same as September, in Dalkey, Ireland, is another refreshing autumn month, with an average temperature ranging between min 9.9°C (49.8°F) and max 13.4°C (56.1°F). October's arrival registers an average high-temperature of a still moderate 13.4°C (56.1°F), closely aligning with the temperature of the previous month. Weather in October »Weather in November
November, the last month of the autumn in Dalkey, is also a fresh month, with an average temperature ranging between min 7.1°C (44.8°F) and max 10.1°C (50.2°F). During the shift to November, a minor reduction in average high-temperature is observed, shifting from a refreshing 13.4°C (56.1°F) in October to a fresh 10.1°C (50.2°F). Weather in November »Weather in December
December, the first month of the winter in Dalkey, is still a chilly month, with an average temperature fluctuating between 5.4°C (41.7°F) and 8.5°C (47.3°F). Transitioning into December, Dalkey records an average high-temperature of a frosty 8.5°C (47.3°F), almost identical to November's 10.1°C (50.2°F). Weather in December »Updated: Jan 27, 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
The months of January and February bring the lowest temperatures, averaging a high of 7.8°C (46°F).
In Dalkey, during the entire year, the rain falls for 200.5 days and collects up to 530mm (20.87") of precipitation.
Months with snowfall are January through March, November and December.
Throughout the year, there are 4.6 snowfall days, and 24mm (0.94") of snow is accumulated.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
With an average relative humidity of 82%, March is the least humid month in Dalkey, Ireland.
April through October are months without snowfall in Dalkey.
May is the month with the least rainfall. Rain falls for 16.1 days and accumulates 27mm (1.06") of precipitation.
May has the most sunshine of the year in Dalkey, with an average of 8h of sunshine.
May through September, with an average maximum UV index of 4, are months with the highest UV index in Dalkey, Ireland.
With an average of 16h and 54min of daylight, June has the longest days of the year.
The warmest period, with an average high-temperature of 16.9°C (62.4°F), falls in July and August.
With an average relative humidity of 86%, July is the most humid month.
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time starts in Dalkey, Ireland, 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.
The month with the most rainfall in Dalkey, Ireland, is November, when the rain falls for 17.6 days and typically aggregates up to 71mm (2.8") of precipitation.
The month with the least sunshine is November, with an average of 4.3h of sunshine.
December is the month with the most snowfall. Snow falls for 1.1 days and accumulates 9mm (0.35") of snow.
December has the shortest days of the year in Dalkey, with an average of 7h and 36min of daylight.
Average temperature
Dalkey, 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
Dalkey, 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
Dalkey, 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
Dalkey, Ireland
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (82%).
Average rainfall
Dalkey, Ireland
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days
Dalkey, 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
Dalkey, 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
Dalkey, 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
Dalkey, Ireland
- Average daylight in January:
8h and 12min - Average daylight in February:
9h and 54min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 54min - Average daylight in June:
16h and 54min
- Average daylight in July:
16h and 24min - Average daylight in August:
14h and 42min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 42min - Average daylight in December:
7h and 36min
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 24min - Average sunshine in February:
4h and 24min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 0min - Average sunshine in June:
7h and 48min
- Average sunshine in July:
7h and 30min - Average sunshine in August:
7h and 42min - Average sunshine in September:
7h and 18min - Average sunshine in October:
4h and 30min - Average sunshine in November:
4h and 18min - Average sunshine in December:
4h and 36min
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
Dalkey, 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
Dalkey, 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
Dalkey, 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
Dalkey, 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).
