Climate and monthly weather forecastStillorgan, Ireland
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Stillorgan, Ireland, with an average temperature varying between 4.5°C (40.1°F) and 7.8°C (46°F). During January and February, Stillorgan experiences its lowest temperatures, averaging a high-temperature of 7.8°C (46°F). Weather in January »Weather in February
February, the last month of the winter in Stillorgan, is also a frosty month, with an average temperature ranging between min 4.4°C (39.9°F) and max 7.8°C (46°F). Stillorgan's coldest months, January and February, record an average high-temperature of 7.8°C (46°F). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Stillorgan, Ireland, with an average temperature fluctuating between 8.8°C (47.8°F) and 4.6°C (40.3°F). Stillorgan's average high-temperature in March is a still chilly 8.8°C (47.8°F), indicating a subtle variation from February. Weather in March »Weather in April
April in Stillorgan, Ireland, is a cool spring month, with an average temperature ranging between max 10.3°C (50.5°F) and min 6.3°C (43.3°F). Stillorgan, Ireland, experiences an average high-temperature of a fresh 10.3°C (50.5°F) in April, subtly different from March's 8.8°C (47.8°F). Weather in April »Weather in May
May, the last month of the spring in Stillorgan, is another cool month, with an average temperature ranging between min 8.3°C (46.9°F) and max 12.6°C (54.7°F). Stillorgan, Ireland, sees the arrival of May with an average high-temperature of a still fresh 12.6°C (54.7°F), indicating a subtle variation from April. Weather in May »Weather in June
The first month of the summer, June, is a mild month in Stillorgan, Ireland, with an average temperature fluctuating between 10.8°C (51.4°F) and 15.1°C (59.2°F). The ushering in of June brings an average high-temperature of a moderate 15.1°C (59.2°F), closely mirroring the 12.6°C (54.7°F) of May. Weather in June »Weather in July
July is an enjoyable summer month in Stillorgan, Ireland, with an average temperature varying between 16.9°C (62.4°F) and 12.3°C (54.1°F). The warmest period, with an average high-temperature of 16.9°C (62.4°F), falls in July and August. Weather in July »Weather in August
The last month of the summer, August, is another refreshing month in Stillorgan, Ireland, with an average temperature fluctuating between 12.7°C (54.9°F) and 16.9°C (62.4°F). The warmest period is usually observed in July and August, with the average high-temperature peaking at 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 Stillorgan, Ireland, with an average temperature varying between 15.2°C (59.4°F) and 11.3°C (52.3°F). Stillorgan experiences a subtle adjustment in high-temperatures to a moderate 15.2°C (59.4°F) with the onset of September, maintaining near parity with August's 16.9°C (62.4°F). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Stillorgan, Ireland, with an average temperature fluctuating between 13.4°C (56.1°F) and 9.9°C (49.8°F). October is marked by an average high-temperature of a still refreshing 13.4°C (56.1°F), almost identical to the preceding month. Weather in October »Weather in November
November, the last month of the autumn in Stillorgan, is another cool month, with an average temperature ranging between min 7.1°C (44.8°F) and max 10.1°C (50.2°F). With the onset of November, the average high-temperature subtly recedes from October's refreshing 13.4°C (56.1°F) to a cool 10.1°C (50.2°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Stillorgan, Ireland, with an average temperature ranging between min 5.4°C (41.7°F) and max 8.5°C (47.3°F). December's arrival brings an average high-temperature of a frosty 8.5°C (47.3°F), demonstrating subtle variation from the preceding 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
Stillorgan's average lowest temperatures are recorded in January and February, reaching a high of 7.8°C (46°F).
Throughout the year, in Stillorgan, there are 200.5 rainfall days, and 530mm (20.87") of precipitation is accumulated.
January through March, November and December are months with snowfall in Stillorgan, Ireland.
In Stillorgan, Ireland, during the entire year, snow falls for 4.6 days and aggregates up to 24mm (0.94") of snow.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Stillorgan.
With an average relative humidity of 82%, March is the least humid month in Stillorgan.
April through October are months without snowfall in Stillorgan.
May is the month with the least rainfall in Stillorgan, Ireland. Rain falls for 16.1 days and accumulates 27mm (1.06") of precipitation.
May has the most sunshine of the year in Stillorgan, Ireland, 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.
June has the longest days of the year in Stillorgan, with an average of 16h and 54min of daylight.
Stillorgan sees the average highest temperatures during the months of July and August, peaking at 16.9°C (62.4°F).
The most humid month is July, with an average relative humidity of 86%.
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.
November is the month with the most rainfall. Rain falls for 17.6 days and accumulates 71mm (2.8") of precipitation.
The month with the least sunshine in Stillorgan is November, with an average of 4.3h of sunshine.
The month with the most snowfall is December, when snow falls for 1.1 days and typically aggregates up to 9mm (0.35") of snow.
The month with the shortest days in Stillorgan is December, with an average of 7h and 36min of daylight.
Average temperature
Stillorgan, 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
Stillorgan, 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
Stillorgan, 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
Stillorgan, Ireland
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (82%).
Average rainfall
Stillorgan, Ireland
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days
Stillorgan, 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
Stillorgan, 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
Stillorgan, 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
Stillorgan, 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
Stillorgan, 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
Stillorgan, 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
Stillorgan, 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
Stillorgan, 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).
