Climate and monthly weather forecastStraffan, Ireland
Climate and monthly weather forecast
Weather in January
January, the same as December, in Straffan, Ireland, is a frosty winter month, with an average temperature fluctuating between 6.9°C (44.4°F) and 2.2°C (36°F). Straffan's coldest month, January, registers temperatures that range from a high of 6.9°C (44.4°F) to a low of 2.2°C (36°F). Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Straffan, Ireland, with temperature in the range of an average high of 7.5°C (45.5°F) and an average low of 2.3°C (36.1°F). February's average high-temperature is a still chilly 7.5°C (45.5°F), maintaining a close comparison with January's 6.9°C (44.4°F). Weather in February »Weather in March
March, the first month of the spring in Straffan, is still a chilly month, with temperature in the range of an average high of 9°C (48.2°F) and an average low of 2.4°C (36.3°F). In the transition from February to March, Straffan reports an average high-temperature of a still chilly 9°C (48.2°F), indicating a close resemblance to the prior month. Weather in March »Weather in April
April is a cool spring month in Straffan, Ireland, with temperature in the range of an average high of 11.4°C (52.5°F) and an average low of 4.1°C (39.4°F). April's advent denotes a minor fluctuation in the average high-temperature to a cool 11.4°C (52.5°F) from March's 9°C (48.2°F). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Straffan, Ireland, with an average temperature ranging between max 13.7°C (56.7°F) and min 6.4°C (43.5°F). The high-temperature average in May for Straffan, Ireland, is a refreshing 13.7°C (56.7°F), staying closely aligned with April's conditions. Weather in May »Weather in June
June, the first month of the summer in Straffan, is a comfortable month, with an average temperature ranging between min 8.8°C (47.8°F) and max 16.3°C (61.3°F). Straffan experiences a subtle adjustment in high-temperatures to an enjoyable 16.3°C (61.3°F) with the onset of June, maintaining near parity with May's 13.7°C (56.7°F). Weather in June »Weather in July
July, like June, in Straffan, Ireland, is another comfortable summer month, with an average temperature ranging between max 17.7°C (63.9°F) and min 10.8°C (51.4°F). The warmest period is July, when temperatures fluctuate between an average high of 17.7°C (63.9°F) and a low of 10.8°C (51.4°F). Weather in July »Weather in August
August, the last month of the summer in Straffan, is another refreshing month, with an average temperature varying between 10.6°C (51.1°F) and 17.5°C (63.5°F). The introduction of August notes a subtle temperature variation to a still refreshing 17.5°C (63.5°F) from July's 17.7°C (63.9°F). Weather in August »Weather in September
September, the first month of the autumn in Straffan, is still a mild month, with an average temperature ranging between max 15.6°C (60.1°F) and min 9°C (48.2°F). September's advent denotes a minor fluctuation in the average high-temperature to a moderate 15.6°C (60.1°F) from August's 17.5°C (63.5°F). Weather in September »Weather in October
October, like September, in Straffan, Ireland, is a cool autumn month, with temperature in the range of an average high of 12.8°C (55°F) and an average low of 7.4°C (45.3°F). The average high-temperature during October registers at a fresh 12.8°C (55°F), maintaining a close resemblance to the previous month. Weather in October »Weather in November
November, the last month of the autumn in Straffan, is also a frosty month, with an average temperature fluctuating between 9°C (48.2°F) and 4.5°C (40.1°F). A subtle shift in Straffan's weather is observed as October turns into November, with the average high temperature reducing from a cool 12.8°C (55°F) to a chilly 9°C (48.2°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Straffan, Ireland, with temperature in the range of an average high of 7.1°C (44.8°F) and an average low of 2.8°C (37°F). Straffan, Ireland, experiences an average high-temperature of a still frosty 7.1°C (44.8°F) in December, marking an insignificant shift from 9°C (48.2°F) in November. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Straffan, Ireland
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (6.9°C).
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure
Straffan, Ireland
- Average pressure in January:
1011.3mbar - Average pressure in February:
1011mbar - Average pressure in March:
1014.1mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1015.9mbar - Average pressure in June:
1015.2mbar
- Average pressure in July:
1013.9mbar - Average pressure in August:
1012.7mbar - Average pressure in September:
1015.2mbar - Average pressure in October:
1012.5mbar - Average pressure in November:
1008.2mbar - Average pressure in December:
1010.9mbar
The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed
Straffan, Ireland
- Average wind speed in January:
20.3km/h - Average wind speed in February:
19.9km/h - Average wind speed in March:
18km/h - Average wind speed in April:
15.2km/h - Average wind speed in May:
15.2km/h - Average wind speed in June:
13.3km/h
- Average wind speed in July:
13.3km/h - Average wind speed in August:
14.5km/h - Average wind speed in September:
14.7km/h - Average wind speed in October:
16km/h - Average wind speed in November:
18km/h - Average wind speed in December:
20.1km/h
The windiest month (with the highest average wind speed) is January (20.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.3km/h).
Average humidity
Straffan, Ireland
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are March and April (85%).
Average rainfall
Straffan, Ireland
The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are January, April and October (16mm).
Average rainfall days
Straffan, Ireland
- Average rainfall days in January:
12.1 days - Average rainfall days in February:
11 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
19.5 days - Average rainfall days in August:
18.6 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.6 days).
Average snowfall
Straffan, Ireland
The month with the highest snowfall is January (15mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Straffan, Ireland
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
2.1 days - Average snowfall days in March:
1.2 days - Average snowfall days in April:
0.1 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 days - Average snowfall days in December:
0.8 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Straffan, 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 0min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 0min - Average sunshine in April:
6h and 30min - Average sunshine in May:
6h and 24min - Average sunshine in June:
6h and 12min
- Average sunshine in July:
5h and 42min - Average sunshine in August:
5h and 54min - Average sunshine in September:
5h and 48min - Average sunshine in October:
3h and 54min - Average sunshine in November:
4h and 6min - Average sunshine in December:
4h and 12min
The month with the most sunshine is April (Average sunshine: 6h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days
Straffan, Ireland
- Average sunshine days in January:
13.8 days - Average sunshine days in February:
12.2 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9 days - Average sunshine days in June:
7.7 days
- Average sunshine days in July:
5.8 days - Average sunshine days in August:
6.3 days - Average sunshine days in September:
10.7 days - Average sunshine days in October:
13.2 days - Average sunshine days in November:
15.8 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is July (5.8 days).
Average UV index
Straffan, 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, March, November and December (UV index 2).
Average cloud cover
Straffan, Ireland
The month with the most cloud cover is July (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility
Straffan, Ireland
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).





