August weather forecastKillay, United Kingdom
August
Weather in August
August, the last month of the summer in Killay, is another refreshing month, with temperature in the range of an average low of 14.1°C (57.4°F) and an average high of 17.6°C (63.7°F).Temperature
The transition from July to August sees average high-temperatures adjusting to a still enjoyable 17.6°C (63.7°F), from a not significantly different 17.8°C (64°F). Killay registers a subtle dip to an average of 14.1°C (57.4°F) during the nights of August.Humidity
The months with the highest humidity in Killay are January, August and December, with an average relative humidity of 84%.Rainfall
In Killay, United Kingdom, in August, during 20.1 rainfall days, 72mm (2.83") of precipitation is typically accumulated. In Killay, during the entire year, the rain falls for 210.8 days and collects up to 785mm (30.91") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Killay, United Kingdom, the average length of the day in August is 14h and 34min.On the first day of August in Killay, sunrise is at 5:40 am and sunset at 9:04 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:04 pm BST.
Sunshine
In August, the average sunshine is 7.5h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Killay, United Kingdom
- Average high temperature in August: 17.6°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in August: 14.1°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in August
Killay, United Kingdom
- Average pressure in August: 1014.5mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in August
Killay, United Kingdom
- Average wind speed in August: 18.3km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is June (16.4km/h).
Average humidity in August
Killay, United Kingdom
- Average humidity in August: 84%
The months with the highest relative humidity are January, August and December (84%).
The month with the lowest relative humidity is April (80%).
Average rainfall in August
Killay, United Kingdom
- Average rainfall in August: 72mm
The wettest month (with the highest rainfall) is December (101mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in August
Killay, United Kingdom
- Average rainfall days in August: 20.1 days
The month with the highest number of rainy days is December (21.4 days).
The month with the least rainy days is April (14.4 days).
Average snowfall in August
Killay, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Killay, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is December (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Killay, 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 30min
The months with the most sunshine are April and May (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Killay, United Kingdom
- Average sunshine days in August: 7.6 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in August
Killay, 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 and December (UV index 2).
Average cloud cover in August
Killay, United Kingdom
- Average cloud cover in August: 53
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 45).
Average visibility in August
Killay, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are March, April, June, July and October (10km).
The months with the lowest visibility are January, February, May, August, September, November and December (9km).





