August weather forecastGrasmere, United Kingdom
August
Weather in August
The last month of the summer, August, is another refreshing month in Grasmere, United Kingdom, with an average temperature varying between 15.4°C (59.7°F) and 10.7°C (51.3°F).Temperature
Shifting into August, Grasmere records an average high-temperature of a mild 15.4°C (59.7°F), presenting minor fluctuations compared to the previous month. In Grasmere, nights during August observe an average temperature decrease to a cool 10.7°C (51.3°F).Humidity
The average relative humidity in August is 89%.Rainfall
In Grasmere, in August, it is raining for 20.8 days, with typically 85mm (3.35") of accumulated precipitation. In Grasmere, during the entire year, the rain falls for 202 days and collects up to 866mm (34.09") of precipitation.Snowfall
July through September are months without snowfall.Daylight
The average length of the day in August is 14h and 51min.On the first day of the month, sunrise is at 5:24 am and sunset at 9:12 pm. On the last day of August, sunrise is at 6:18 am and sunset at 8:05 pm BST.
Sunshine
In Grasmere, the average sunshine in August is 5.9h.UV index
In Grasmere, the average daily maximum UV index in August is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In August, the UV index of 3 transforms into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grasmere, United Kingdom
- Average high temperature in August: 15.4°C
The warmest month (with the highest average high temperature) is July (16°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in August: 10.7°C
The month with the highest average low temperature is August (10.7°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in August
Grasmere, United Kingdom
- Average pressure in August: 1012.4mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.1mbar).
Average wind speed in August
Grasmere, United Kingdom
- Average wind speed in August: 14.9km/h
The windiest month (with the highest average wind speed) is December (21.7km/h).
The calmest month (with the lowest average wind speed) is June (12.8km/h).
Average humidity in August
Grasmere, United Kingdom
- Average humidity in August: 89%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is April (84%).
Average rainfall in August
Grasmere, United Kingdom
- Average rainfall in August: 85mm
The wettest month (with the highest rainfall) is December (95mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in August
Grasmere, United Kingdom
- Average rainfall days in August: 20.8 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in August
Grasmere, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is January (174mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in August
Grasmere, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grasmere, United Kingdom
- Average daylight in August: 14h and 48min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in August: 5h and 54min
The month with the most sunshine is April (Average sunshine: 6h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in August
Grasmere, United Kingdom
- Average sunshine days in August: 8.3 days
The month with the most sunshine days is April (12.5 days).
The months with the least sunshine days are November and December (7.9 days).
Average UV index in August
Grasmere, United Kingdom
- Average UV index in August: 3
The months with the highest UV index are May and June (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Grasmere, United Kingdom
- Average cloud cover in August: 65
The months with the most cloud cover are January and December (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in August
Grasmere, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (9km).
The months with the lowest visibility are January and July (8km).





