August weather forecastClapham, United Kingdom
August
Weather in August
The last month of the summer, August, is another pleasant month in Clapham, United Kingdom, with an average temperature varying between 13.8°C (56.8°F) and 21.9°C (71.4°F).Temperature
As Clapham, United Kingdom, welcomes August, the average high-temperature records at a still agreeable 21.9°C (71.4°F), marking an insignificant deviation from the prior month. August's average low-temperature reading settles at a mild 13.8°C (56.8°F).Humidity
The least humid month is August, with an average relative humidity of 72%.Rainfall
In Clapham, in August, during 15.4 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Clapham, United Kingdom, during the entire year, the rain falls for 166.8 days and collects up to 362mm (14.25") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Clapham, the average length of the day in August is 14h and 33min.On the first day of August in Clapham, sunrise is at 5:25 am and sunset at 8:48 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:48 pm BST.
Sunshine
With an average of 7.9h of sunshine, August has the most sunshine of the year.UV index
In Clapham, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 4 during August morphs into the following directions:
Undertake protective steps - Preventing sun damage is advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Clapham, United Kingdom
- Average high temperature in August: 21.9°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in August: 13.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in August
Clapham, United Kingdom
- Average pressure in August: 1014.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in August
Clapham, United Kingdom
- Average wind speed in August: 12.8km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is September (12.6km/h).
Average humidity in August
Clapham, United Kingdom
- Average humidity in August: 72%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in August
Clapham, United Kingdom
- Average rainfall in August: 38mm
The wettest months (with the highest rainfall) are June and December (40mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in August
Clapham, United Kingdom
- Average rainfall days in August: 15.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in August
Clapham, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Clapham, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.8 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
Clapham, United Kingdom
- Average daylight in August: 14h and 30min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in August: 7h and 54min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in August
Clapham, United Kingdom
- Average sunshine days in August: 12 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in August
Clapham, United Kingdom
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Clapham, United Kingdom
- Average cloud cover in August: 50
The months with the most cloud cover are February and November (Cloud cover 61).
The months with the least cloud cover are April, August and September (Cloud cover 50).
Average visibility in August
Clapham, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
