August weather forecastTreforest, United Kingdom
August
Weather in August
The last month of the summer, August, is also an enjoyable month in Treforest, United Kingdom, with an average temperature ranging between min 12.2°C (54°F) and max 18.3°C (64.9°F).Temperature
The shift into August reveals an average high-temperature of a still enjoyable 18.3°C (64.9°F), closely mirroring July's climate. During August nights, Treforest witnesses a consistent average temperature of 12.2°C (54°F).Humidity
In Treforest, the average relative humidity in August is 85%.Rainfall
In Treforest, United Kingdom, in August, it is raining for 13.1 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, in Treforest, United Kingdom, there are 150.3 rainfall days, and 270mm (10.63") of precipitation is accumulated.Snowfall
In Treforest, snow does not fall in May through October.Daylight
In Treforest, the average length of the day in August is 14h and 34min.On the first day of the month, sunrise is at 5:37 am and sunset at 9:01 pm. On the last day of August, sunrise is at 6:25 am and sunset at 8:01 pm BST.
Sunshine
In Treforest, the average sunshine in August is 7.1h.UV index
The months with the highest UV index in Treforest, United Kingdom, are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in August converts into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Treforest, United Kingdom
- Average high temperature in August: 18.3°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in August: 12.2°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in August
Treforest, United Kingdom
- Average pressure in August: 1014.6mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in August
Treforest, United Kingdom
- Average wind speed in August: 15.2km/h
The windiest month (with the highest average wind speed) is February (21.3km/h).
The calmest month (with the lowest average wind speed) is June (14.4km/h).
Average humidity in August
Treforest, United Kingdom
- Average humidity in August: 85%
The months with the highest relative humidity are November and December (88%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in August
Treforest, United Kingdom
- Average rainfall in August: 25mm
The wettest month (with the highest rainfall) is November (35mm).
The driest month (with the least rainfall) is May (11mm).
Average rainfall days in August
Treforest, United Kingdom
- Average rainfall days in August: 13.1 days
The month with the highest number of rainy days is November (15.4 days).
The month with the least rainy days is April (9.5 days).
Average snowfall in August
Treforest, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Treforest, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (2.3 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
Treforest, 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 6min
The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in August
Treforest, United Kingdom
- Average sunshine days in August: 11.6 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is November (10.7 days).
Average UV index in August
Treforest, 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, March, November and December (UV index 2).
Average cloud cover in August
Treforest, United Kingdom
- Average cloud cover in August: 55
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 49).
Average visibility in August
Treforest, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





