August weather forecast
Calstone Wellington, United Kingdom

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Weather in August

The last month of the summer, August, is another pleasant month in Calstone Wellington, United Kingdom, with an average temperature ranging between max 20°C (68°F) and min 11.9°C (53.4°F).

Temperature

August commences with an average high-temperature of a still pleasant 20°C (68°F), showing little deviation from July's 20.6°C (69.1°F). During August, Calstone Wellington experiences a consistent low-temperature average of 11.9°C (53.4°F).

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 82%.

Rainfall

In August, the rain falls for 17.8 days. Throughout August, 39mm (1.54") of precipitation is accumulated. In Calstone Wellington, during the entire year, the rain falls for 178.2 days and collects up to 397mm (15.63") of precipitation.

Snowfall

April through November are months without snowfall in Calstone Wellington.

Daylight

In August, the average length of the day is 14h and 32min.
On the first day of August in Calstone Wellington, sunrise is at 5:32 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:56 pm BST.

Sunshine

In August, the average sunshine is 6.5h.

UV index

May through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 4 during August translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What are the temperatures in Calstone Wellington in August?

In Calstone Wellington, in August, the average high-temperature is 20°C (68°F), and the average low-temperature is 11.9°C (53.4°F).

What is the least humid month in Calstone Wellington?

The months with the lowest humidity in Calstone Wellington, United Kingdom, are July and August, with an average relative humidity of 82%.

What is the average humidity in August in Calstone Wellington?

In Calstone Wellington, United Kingdom, the average relative humidity in August is 82%.

How much does it rain in Calstone Wellington in August?

In Calstone Wellington, in August, it is raining for 17.8 days, with typically 39mm (1.54") of accumulated precipitation.

When it does not snow in Calstone Wellington?

In Calstone Wellington, United Kingdom, snow does not fall in April through November.

How many hours of daylight does Calstone Wellington have in August?

In August, the average day length in Calstone Wellington is 14h and 32min.

When is the sunrise / sunset in August in Calstone Wellington?

In August, on the first day of the month, sunrise is at 5:32 am and sunset at 8:55 pm. On the last day of the month, in Calstone Wellington, sunrise is at 6:20 am and sunset at 7:56 pm BST.

How long on average sun shines in August in Calstone Wellington?

In August, the average sunshine duration in Calstone Wellington is 6.5h.

When is the highest UV index in Calstone Wellington?

The months with the highest UV index in Calstone Wellington are May through August, with an average maximum UV index of 4.

What is the UV index reading in August in Calstone Wellington?

In August, the average daily maximum UV index in Calstone Wellington is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Calstone Wellington, United Kingdom

Average temperature in August - Calstone Wellington, United Kingdom
  • Average high temperature in August: 20°C

The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (6.3°C).

  • Average low temperature in August: 11.9°C

The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).

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Average pressure in August
Calstone Wellington, United Kingdom

Average pressure in August - Calstone Wellington, United Kingdom
  • Average pressure in August: 1014.7mbar

The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).

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Average wind speed in August
Calstone Wellington, United Kingdom

Average wind speed in August - Calstone Wellington, United Kingdom
  • Average wind speed in August: 13.5km/h

The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).

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Average humidity in August
Calstone Wellington, United Kingdom

Average humidity in August - Calstone Wellington, United Kingdom
  • Average humidity in August: 82%

The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (82%).

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Average rainfall in August
Calstone Wellington, United Kingdom

Average rainfall in August - Calstone Wellington, United Kingdom
  • Average rainfall in August: 39mm

The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is September (23mm).

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Average rainfall days in August
Calstone Wellington, United Kingdom

Average rainfall days in August - Calstone Wellington, United Kingdom
  • Average rainfall days in August: 17.8 days

The month with the highest number of rainy days is July (19.4 days).
The months with the least rainy days are February and September (12.5 days).

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Average snowfall in August
Calstone Wellington, United Kingdom

Average snowfall in August - Calstone Wellington, United Kingdom
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in August
Calstone Wellington, United Kingdom

Average snowfall days in August - Calstone Wellington, United Kingdom
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Calstone Wellington, United Kingdom

Average daylight in August / Average sunshine in August - Calstone Wellington, United Kingdom
  • Average daylight in August: 14h and 3min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in August: 6h and 3min

The month with the most sunshine is July (Average sunshine: 7h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 24min).

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Average sunshine days in August
Calstone Wellington, United Kingdom

Average sunshine days in August - Calstone Wellington, United Kingdom
  • Average sunshine days in August: 9.6 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is July (8.5 days).

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Average UV index in August
Calstone Wellington, United Kingdom

Average UV index in August - Calstone Wellington, United Kingdom
  • Average UV index in August: 4

The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in August
Calstone Wellington, United Kingdom

Average cloud cover in August - Calstone Wellington, United Kingdom
  • Average cloud cover in August: 59

The month with the most cloud cover is November (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 55).

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Average visibility in August
Calstone Wellington, United Kingdom

Average visibility in August - Calstone Wellington, United Kingdom
  • Average visibility in August: 8km

The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).

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Calstone Wellington, United Kingdom

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