Climate and monthly weather forecastKillumney, Ireland
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Killumney, Ireland, with temperature in the range of an average low of 4.4°C (39.9°F) and an average high of 8.3°C (46.9°F). Killumney experiences its lowest average temperatures in January, reaching a peak of 8.3°C (46.9°F) and a minimum of 4.4°C (39.9°F). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Killumney, Ireland, with an average temperature ranging between min 3.9°C (39°F) and max 8.5°C (47.3°F). The transition from January to February sees an average high-temperature of a still chilly 8.5°C (47.3°F), indicating a minor variance from the prior month. Weather in February »Weather in March
March, the first month of the spring in Killumney, is still a chilly month, with an average temperature fluctuating between 9.5°C (49.1°F) and 4°C (39.2°F). With March's arrival, Killumney's weather records an average high-temperature of a still chilly 9.5°C (49.1°F), marking little difference from February's 8.5°C (47.3°F). Weather in March »Weather in April
April is a fresh spring month in Killumney, Ireland, with an average temperature varying between 5.6°C (42.1°F) and 11.3°C (52.3°F). Killumney's April average high-temperature settles at a fresh 11.3°C (52.3°F), showing a near match with the preceding month. Weather in April »Weather in May
May, the last month of the spring in Killumney, is a moderate month, with an average temperature fluctuating between 7.5°C (45.5°F) and 13.6°C (56.5°F). With the start of May, Killumney measures an average high-temperature of a moderate 13.6°C (56.5°F), not significantly differing from April's 11.3°C (52.3°F). Weather in May »Weather in June
June, the first month of the summer in Killumney, is a comfortable month, with temperature in the range of an average high of 16.2°C (61.2°F) and an average low of 10.3°C (50.5°F). As June takes hold, the average high-temperature is a comfortable 16.2°C (61.2°F), nearly mirroring that of the previous month. Weather in June »Weather in July
July, like June, in Killumney, Ireland, is another comfortable summer month, with an average temperature fluctuating between 12.1°C (53.8°F) and 17.8°C (64°F). In Killumney, the month of July is known for its highest average temperatures, reaching a high of 17.8°C (64°F) and a low of 12.1°C (53.8°F). Weather in July »Weather in August
August, the last month of the summer in Killumney, is another refreshing month, with temperature in the range of an average high of 17.6°C (63.7°F) and an average low of 11.9°C (53.4°F). In August, the average high-temperature registers at a still refreshing 17.6°C (63.7°F), nearly identical to July's 17.8°C (64°F). Weather in August »Weather in September
September, the first month of the autumn in Killumney, is still a mild month, with an average temperature fluctuating between 10.5°C (50.9°F) and 15.9°C (60.6°F). Killumney experiences an average high-temperature of a mild 15.9°C (60.6°F) with the onset of September, subtly varied from August's 17.6°C (63.7°F). Weather in September »Weather in October
October, like September, is a moderate autumn month in Killumney, Ireland, with an average temperature fluctuating between 13.6°C (56.5°F) and 8.9°C (48°F). Killumney observes an average high-temperature of a still mild 13.6°C (56.5°F) in October, barely different from 15.9°C (60.6°F) in September. Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Killumney, Ireland, with an average temperature varying between 10.2°C (50.4°F) and 6.3°C (43.3°F). November is marked by a subtle drop in average high-temperatures, transitioning from a mild 13.6°C (56.5°F) in October to a cool 10.2°C (50.4°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Killumney, Ireland, with temperature in the range of an average low of 5°C (41°F) and an average high of 8.8°C (47.8°F). The introduction of December sees an average high-temperature of a chilly 8.8°C (47.8°F), hardly deviating from November. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Killumney, Ireland
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (8.3°C).
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure
Killumney, Ireland
- Average pressure in January:
1012.6mbar - Average pressure in February:
1012.1mbar - Average pressure in March:
1014.8mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1016.4mbar - Average pressure in June:
1015.8mbar
- Average pressure in July:
1014.9mbar - Average pressure in August:
1013.8mbar - Average pressure in September:
1016.2mbar - Average pressure in October:
1012.9mbar - Average pressure in November:
1009mbar - Average pressure in December:
1012.3mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed
Killumney, Ireland
- Average wind speed in January:
22.5km/h - Average wind speed in February:
23km/h - Average wind speed in March:
20km/h - Average wind speed in April:
17.8km/h - Average wind speed in May:
17.5km/h - Average wind speed in June:
16.1km/h
- Average wind speed in July:
16.1km/h - Average wind speed in August:
17.1km/h - Average wind speed in September:
17.5km/h - Average wind speed in October:
18.7km/h - Average wind speed in November:
21.4km/h - Average wind speed in December:
23.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest months (with the lowest average wind speed) are June and July (16.1km/h).
Average humidity
Killumney, Ireland
The months with the highest relative humidity are October and December (87%).
The months with the lowest relative humidity are February, March and April (84%).
Average rainfall
Killumney, Ireland
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is March (33mm).
Average rainfall days
Killumney, Ireland
- Average rainfall days in January:
15.7 days - Average rainfall days in February:
13.5 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
21.3 days - Average rainfall days in August:
21.1 days - Average rainfall days in September:
15.3 days - Average rainfall days in October:
16.6 days - Average rainfall days in November:
14.9 days - Average rainfall days in December:
16.3 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is February (13.5 days).
Average snowfall
Killumney, Ireland
The month with the highest snowfall is March (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Killumney, Ireland
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
1.2 days - Average snowfall days in March:
0.9 days - Average snowfall days in April:
0.2 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:
0.5 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Killumney, Ireland
- Average daylight in January:
8h and 24min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 42min - Average daylight in June:
16h and 36min
- Average daylight in July:
16h and 12min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 48min - Average daylight in December:
7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 6min - Average sunshine in May:
7h and 6min - Average sunshine in June:
7h and 24min
- Average sunshine in July:
6h and 54min - Average sunshine in August:
7h and 12min - Average sunshine in September:
6h and 18min - Average sunshine in October:
4h and 30min - Average sunshine in November:
4h and 18min - Average sunshine in December:
4h and 12min
The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Killumney, Ireland
- Average sunshine days in January:
13 days - Average sunshine days in February:
11.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
9.2 days
- Average sunshine days in July:
6.8 days - Average sunshine days in August:
5.8 days - Average sunshine days in September:
10.5 days - Average sunshine days in October:
10.2 days - Average sunshine days in November:
12.9 days - Average sunshine days in December:
12.8 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (5.8 days).
Average UV index
Killumney, Ireland
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Killumney, Ireland
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility
Killumney, Ireland
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (9km).





