August weather forecast
Butes, Guernsey

August

Weather in August

Arguably the second hottest month, August in Butes, Guernsey, holds its own against July. The climate sets the stage for a seamless transition from the heat of July, maintaining nearly similar temperatures. The humidity level peaks at 83%, but the breeze coming from the sea makes it more enjoyable. Although the rainfall increases slightly compared to July, it is hardly noticeable since most afternoons remain sunny and bright. As the daylight hours begin to taper, it still retains a strong semblance of the glorious summer that precedes its eventual descent into autumn.

Temperature

Butes experiences its highest average temperatures in August, reaching a peak of 17.8°C (64°F) and a minimum of 16°C (60.8°F).

Humidity

In Butes, the average relative humidity in August is 83%.

Rainfall

In August, the rain falls for 14.4 days. Throughout August, 41mm (1.61") of precipitation is accumulated. In Butes, during the entire year, the rain falls for 190.5 days and collects up to 559mm (22.01") of precipitation.

Snowfall

February through October and December are months without snowfall in Butes.

Daylight

In August, the average length of the day is 14h and 23min.
On the first day of the month, sunrise is at 05:40 and sunset at 20:50. On the last day of August, sunrise is at 06:23 and sunset at 19:54 BST.

Sunshine

In August, the average sunshine is 9.4h.

UV index

July and August, with an average maximum UV index of 5, are months with the highest UV index in Butes. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In August, the average maximum UV index of 5 translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What month is the hottest in Butes?
Butes's temperatures tend to reach their peak averages in August, with a high of 17.8°C (64°F) and a low of 16°C (60.8°F).
What are August temperatures in Butes?
The average high-temperature and low-temperature during August are 17.8°C (64°F) and 16°C (60.8°F) respectively.
What is the average humidity in August in Butes?
The average relative humidity in August is 83%.
How much does it rain in Butes in August?
In Butes, Guernsey, in August, during 14.4 rainfall days, 41mm (1.61") of precipitation is typically accumulated.
When it does not snow in Butes?
February through October and December are months without snowfall in Butes, Guernsey.
How many hours of daylight does Butes have in August?
In August, the average day length in Butes is 14h and 23min.
When is the sunrise / sunset in August in Butes?
In August, on the first day of the month, sunrise is at 05:40 and sunset at 20:50. On the last day of the month, in Butes, sunrise is at 06:23 and sunset at 19:54 BST.
How long on average sun shines in August in Butes?
In Butes, the average sunshine duration in August is 9.4h.
When is the highest UV index in Butes?
July and August, with an average maximum UV index of 5, are months with the highest UV index in Butes.
What is the UV index reading in August in Butes?
In August, the average daily maximum UV index in Butes, Guernsey, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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 - Butes, Guernsey
Average temperature in August
Butes, Guernsey
  • Average high temperature in August: 17.8°C

The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (8.9°C).

  • Average low temperature in August: 16°C

The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).

Average pressure in August - Butes, Guernsey
Average pressure in August
Butes, Guernsey
  • Average pressure in August: 1016.2mbar

The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).

Average wind speed in August - Butes, Guernsey
Average wind speed in August
Butes, Guernsey
  • Average wind speed in August: 22.9km/h

The windiest month (with the highest average wind speed) is December (35.9km/h).
The calmest month (with the lowest average wind speed) is July (22km/h).

Average humidity in August - Butes, Guernsey
Average humidity in August
Butes, Guernsey
  • Average humidity in August: 83%

The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January, February, November and December (78%).

Average rainfall in August - Butes, Guernsey
Average rainfall in August
Butes, Guernsey
  • Average rainfall in August: 41mm

The wettest month (with the highest rainfall) is November (84mm).
The driest months (with the least rainfall) are May and July (26mm).

Average rainfall days in August - Butes, Guernsey
Average rainfall days in August
Butes, Guernsey
  • Average rainfall days in August: 14.4 days

The month with the highest number of rainy days is November (22 days).
The month with the least rainy days is June (11.5 days).

Average snowfall in August - Butes, Guernsey
Average snowfall in August
Butes, Guernsey
  • Average snowfall in August: 0mm

The months with the highest snowfall are January and November (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0mm).

Average snowfall days in August - Butes, Guernsey
Average snowfall days in August
Butes, Guernsey
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

Average daylight in August / Average sunshine in August - Butes, Guernsey
Average daylight in August /
Average sunshine in August
Butes, Guernsey
  • Average daylight in August: 14h and 2min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in August: 9h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 0min).

Average sunshine days in August - Butes, Guernsey
Average sunshine days in August
Butes, Guernsey
  • Average sunshine days in August: 14.2 days

The month with the most sunshine days is May (17.7 days).
The month with the least sunshine days is November (4.7 days).

Average UV index in August - Butes, Guernsey
Average UV index in August
Butes, Guernsey
  • Average UV index in August: 5

The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).

Average cloud cover in August - Butes, Guernsey
Average cloud cover in August
Butes, Guernsey
  • Average cloud cover in August: 38

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in August - Butes, Guernsey
Average visibility in August
Butes, Guernsey
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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