August weather forecastCumnor, United Kingdom
August
Weather in August
August, the last month of the summer in Cumnor, is another pleasant month, with an average temperature fluctuating between 20.2°C (68.4°F) and 12.3°C (54.1°F).Temperature
The shift into August uncovers an average high-temperature of a still pleasant 20.2°C (68.4°F), subtly different from the previous month. During August, an average low-temperature of 12.3°C (54.1°F) is observed in Cumnor.Humidity
July and August, with an average relative humidity of 80%, are the least humid months in Cumnor.Rainfall
In Cumnor, in August, during 15.3 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Cumnor, during the entire year, the rain falls for 163.2 days and collects up to 330mm (12.99") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Cumnor, the average length of the day in August is 14h and 34min.On the first day of the month, sunrise is at 5:29 am and sunset at 8:54 pm. On the last day of August, in Cumnor, sunrise is at 6:16 am and sunset at 7:54 pm BST.
Sunshine
In August, the average sunshine is 7.4h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during August translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Cumnor, United Kingdom
- Average high temperature in August: 20.2°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in August: 12.3°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in August
Cumnor, United Kingdom
- Average pressure in August: 1014.6mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in August
Cumnor, United Kingdom
- Average wind speed in August: 13.3km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in August
Cumnor, United Kingdom
- Average humidity in August: 80%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in August
Cumnor, United Kingdom
- Average rainfall in August: 35mm
The wettest month (with the highest rainfall) is November (36mm).
The driest months (with the least rainfall) are March and September (18mm).
Average rainfall days in August
Cumnor, United Kingdom
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in August
Cumnor, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Cumnor, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Cumnor, United Kingdom
- Average daylight in August: 14h and 36min
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 August: 7h and 24min
The month with the most sunshine is July (Average sunshine: 7h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in August
Cumnor, United Kingdom
- Average sunshine days in August: 11.3 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in August
Cumnor, United Kingdom
- Average UV index in August: 4
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 in August
Cumnor, United Kingdom
- Average cloud cover in August: 54
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 51).
Average visibility in August
Cumnor, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, May, July, August, October and December (9km).
The months with the lowest visibility are April, June, September and November (8km).
