August weather forecastGrappenhall, United Kingdom
August
Weather in August
August, the last month of the summer in Grappenhall, is another refreshing month, with temperature in the range of an average low of 12.1°C (53.8°F) and an average high of 19.1°C (66.4°F).Temperature
The average high-temperature during August registers at a still enjoyable 19.1°C (66.4°F), closely corresponding to the preceding month. Grappenhall in August anticipates an average nighttime temperature of 12.1°C (53.8°F).Humidity
In Grappenhall, the average relative humidity in August is 80%.Rainfall
In Grappenhall, in August, during 7.8 rainfall days, 17mm (0.67") of precipitation is typically accumulated. Throughout the year, in Grappenhall, there are 87.5 rainfall days, and 140mm (5.51") of precipitation is accumulated.Snowfall
In Grappenhall, snow does not fall in April through November.Daylight
The average length of the day in August in Grappenhall is 14h and 44min.On the first day of the month, sunrise is at 5:27 am and sunset at 9:05 pm. On the last day of August, in Grappenhall, sunrise is at 6:18 am and sunset at 8:01 pm BST.
Sunshine
The average sunshine in August in Grappenhall, United Kingdom, is 6.9h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In August, a daily maximum UV index of 4 leads to the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grappenhall, United Kingdom
- Average high temperature in August: 19.1°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in August: 12.1°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in August
Grappenhall, United Kingdom
- Average pressure in August: 1013.3mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in August
Grappenhall, United Kingdom
- Average wind speed in August: 13.1km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is June (12.1km/h).
Average humidity in August
Grappenhall, United Kingdom
- Average humidity in August: 80%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is May (78%).
Average rainfall in August
Grappenhall, United Kingdom
- Average rainfall in August: 17mm
The wettest month (with the highest rainfall) is June (19mm).
The driest month (with the least rainfall) is May (6mm).
Average rainfall days in August
Grappenhall, United Kingdom
- Average rainfall days in August: 7.8 days
The month with the highest number of rainy days is July (10.1 days).
The month with the least rainy days is September (5.4 days).
Average snowfall in August
Grappenhall, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Grappenhall, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (1.8 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
Grappenhall, United Kingdom
- Average daylight in August: 14h and 42min
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 August: 6h and 54min
The months with the most sunshine are April and May (Average sunshine: 7h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in August
Grappenhall, United Kingdom
- Average sunshine days in August: 18.2 days
The month with the most sunshine days is March (21.8 days).
The month with the least sunshine days is July (17 days).
Average UV index in August
Grappenhall, 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
Grappenhall, United Kingdom
- Average cloud cover in August: 57
The months with the most cloud cover are January and December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 50).
Average visibility in August
Grappenhall, 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).





