Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Grendon Underwood ushers in August with an average high-temperature of a still pleasant 20.7°C (69.3°F), showing a close resemblance to the previous month. The mean low-temperature during August nights is a cool 12.7°C (54.9°F).Humidity
August is the least humid month, with an average relative humidity of 78%.Rainfall
In August, the rain falls for 20.6 days. Throughout August, 54mm (2.13") of precipitation is accumulated. In Grendon Underwood, United Kingdom, during the entire year, the rain falls for 187.4 days and collects up to 476mm (18.74") of precipitation.Snowfall
In Grendon Underwood, snow does not fall in April through November.Daylight
In August, the average length of the day in Grendon Underwood is 14h and 35min.On the first day of the month, sunrise is at 5:27 am and sunset at 8:53 pm. On the last day of August, in Grendon Underwood, sunrise is at 6:15 am and sunset at 7:53 pm BST.
Sunshine
In August, the average sunshine in Grendon Underwood, United Kingdom, is 7.6h.UV index
In Grendon Underwood, United Kingdom, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 4 in August transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are the temperatures in Grendon Underwood in August?
What is the least humid month in Grendon Underwood?
What is the average humidity in August in Grendon Underwood?
How much does it rain in Grendon Underwood in August?
When it does not snow in Grendon Underwood?
How many hours of daylight does Grendon Underwood have in August?
What time are sunrise and sunset in August in Grendon Underwood?
How many hours of sunshine does Grendon Underwood have in August?
What is the UV index reading in August in Grendon Underwood?
Average temperature in August
Grendon Underwood, United Kingdom
- Average high temperature in August: 20.7°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in August: 12.7°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in August
Grendon Underwood, 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 (1010.2mbar).
Average wind speed in August
Grendon Underwood, United Kingdom
- Average wind speed in August: 13.3km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in August
Grendon Underwood, United Kingdom
- Average humidity in August: 78%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (78%).
Average rainfall in August
Grendon Underwood, United Kingdom
- Average rainfall in August: 54mm
The wettest month (with the highest rainfall) is June (62mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in August
Grendon Underwood, United Kingdom
- Average rainfall days in August: 20.6 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in August
Grendon Underwood, United Kingdom
- Average snowfall in August: 0mm
The months with the highest snowfall are January and February (17mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Grendon Underwood, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.3 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
Grendon Underwood, United Kingdom
- Average daylight in August: 14h and 4min
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 4min
The month with the most sunshine is July (Average sunshine: 7h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in August
Grendon Underwood, United Kingdom
- Average sunshine days in August: 6.7 days
The month with the most sunshine days is March (14.6 days).
The month with the least sunshine days is August (6.7 days).
Average UV index in August
Grendon Underwood, United Kingdom
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Grendon Underwood, United Kingdom
- Average cloud cover in August: 52
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in August
Grendon Underwood, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are January, September, October and November (8km).
Grendon Underwood, United Kingdom
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