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
Grantham experiences an average high-temperature of a still pleasant 20.3°C (68.5°F) in August, marking an insignificant shift from 20.7°C (69.3°F) in July. An average low-temperature of 12.8°C (55°F) is common during the nights of August.Humidity
The least humid month in Grantham, United Kingdom, is August, with an average relative humidity of 77%.Rainfall
In Grantham, United Kingdom, in August, during 15.8 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Grantham, United Kingdom, during the entire year, the rain falls for 152.3 days and collects up to 262mm (10.31") of precipitation.Snowfall
In Grantham, snow does not fall in May through October.Daylight
In Grantham, the average length of the day in August is 14h and 41min.On the first day of the month, sunrise is at 5:21 am and sunset at 8:56 pm. On the last day of August, sunrise is at 6:12 am and sunset at 7:53 pm BST.
Sunshine
The months with the most sunshine are July and August, with an average of 7.7h of sunshine.UV index
In Grantham, the average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in August suggests the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the usual temperature for Grantham in August?
What is the least humid month in Grantham?
What is the average humidity in August in Grantham?
How much does it rain in Grantham in August?
When it does not snow in Grantham?
How many hours of daylight does Grantham have in August?
When is the sunrise / sunset in August in Grantham?
What are the months with the most sunshine in Grantham?
How long on average sun shines in August in Grantham?
What is the UV index intensity in August in Grantham?
Average temperature in August
Grantham, United Kingdom
- Average high temperature in August: 20.3°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in August: 12.8°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in August
Grantham, United Kingdom
- Average pressure in August: 1013.8mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in August
Grantham, United Kingdom
- Average wind speed in August: 13.7km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in August
Grantham, United Kingdom
- Average humidity in August: 77%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (77%).
Average rainfall in August
Grantham, United Kingdom
- Average rainfall in August: 29mm
The wettest month (with the highest rainfall) is June (37mm).
The driest months (with the least rainfall) are March and April (15mm).
Average rainfall days in August
Grantham, United Kingdom
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in August
Grantham, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Grantham, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.1 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
Grantham, United Kingdom
- Average daylight in August: 14h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in August: 7h and 4min
The months with the most sunshine are July and August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in August
Grantham, United Kingdom
- Average sunshine days in August: 10.1 days
The months with the most sunshine days are October and December (15.9 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in August
Grantham, 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
Grantham, United Kingdom
- Average cloud cover in August: 51
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in August
Grantham, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, July, August, September, October and December (9km).
The months with the lowest visibility are June and November (8km).
Grantham, United Kingdom
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