August weather forecast
Les Quartiers, Guernsey

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Weather in August

August mirrors many of the climatic features of July in Les Quartiers, Guernsey. The consistency in temperature from the previous month is marked, with the highest average temperature of the year, 17.8°C (64°F), making its presence felt. The incoming month of September introduces a potential decline in temperatures, marking the advent of fall. More rainfall is expected, increasing to approximately 41mm (1.61") which is dispersed across 14 days. The daylight hours begin to shorten, indicating an ongoing transition into the next season.

Temperature

August, having an average high-temperature of 17.8°C (64°F) and an average low-temperature of 15.8°C (60.4°F), is the warmest month in Les Quartiers.

Humidity

In Les Quartiers, Guernsey, the average relative humidity in August is 82%.

Rainfall

In Les Quartiers, in August, during 14 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Les Quartiers, during the entire year, the rain falls for 196.3 days and collects up to 557mm (21.93") of precipitation.

Snowfall

In Les Quartiers, snow does not fall in February through December.

Daylight

The average length of the day in August in Les Quartiers is 14h and 22min.
On the first day of the month, sunrise is at 05:42 and sunset at 20:50. On the last day of August, sunrise is at 06:25 and sunset at 19:55 BST.

Sunshine

The average sunshine in August is 9.2h.

UV index

The months with the highest UV index in Les Quartiers are July through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 5 in August translates into these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

What part of the year is the hottest in Les Quartiers?

In Les Quartiers, Guernsey, the peak temperatures are generally noted in August, averaging a high of 17.8°C (64°F) and a low of 15.8°C (60.4°F).

What are August temperatures in Les Quartiers?

In August, the average high-temperature and low-temperature are 17.8°C (64°F) and 15.8°C (60.4°F) respectively.

What is the average humidity in August in Les Quartiers?

In August, the average relative humidity is 82%.

How much does it rain in Les Quartiers in August?

In Les Quartiers, Guernsey, during August, the rain falls for 14 days and regularly aggregates up to 41mm (1.61") of precipitation.

When it does not snow in Les Quartiers?

In Les Quartiers, snow does not fall in February through December.

How many hours of daylight does Les Quartiers have in August?

In Les Quartiers, the average day length in August is 14h and 22min.

When is the sunrise / sunset in August in Les Quartiers?

On the first day of August in Les Quartiers, Guernsey, sunrise is at 05:42 and sunset at 20:50. On the last day of the month, sunrise is at 06:25 and sunset at 19:55 BST.

How long on average sun shines in August in Les Quartiers?

In Les Quartiers, Guernsey, the average sunshine duration in August is 9.2h.

What are the months with the highest UV index in Les Quartiers?

The months with the highest UV index in Les Quartiers are July through September, with an average maximum UV index of 5.

What is the UV index intensity in August in Les Quartiers?

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Les Quartiers, Guernsey

Average temperature in August - Les Quartiers, 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 (9.2°C).

  • Average low temperature in August: 15.8°C

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7°C).

Average pressure in August
Les Quartiers, Guernsey

Average pressure in August - Les Quartiers, Guernsey
  • Average pressure in August: 1016.4mbar

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in August
Les Quartiers, Guernsey

Average wind speed in August - Les Quartiers, Guernsey
  • Average wind speed in August: 22.8km/h

The windiest month (with the highest average wind speed) is December (36km/h).
The calmest month (with the lowest average wind speed) is July (21.9km/h).

Average humidity in August
Les Quartiers, Guernsey

Average humidity in August - Les Quartiers, Guernsey
  • Average humidity in August: 82%

The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are November and December (77%).

Average rainfall in August
Les Quartiers, Guernsey

Average rainfall in August - Les Quartiers, Guernsey
  • Average rainfall in August: 41mm

The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (26mm).

Average rainfall days in August
Les Quartiers, Guernsey

Average rainfall days in August - Les Quartiers, Guernsey
  • Average rainfall days in August: 14 days

The month with the highest number of rainy days is November (22.8 days).
The month with the least rainy days is June (11.5 days).

Average snowfall in August
Les Quartiers, Guernsey

Average snowfall in August - Les Quartiers, Guernsey
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in August
Les Quartiers, Guernsey

Average snowfall days in August - Les Quartiers, Guernsey
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in August /
Average sunshine in August
Les Quartiers, Guernsey

Average daylight in August / Average sunshine in August - Les Quartiers, 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 1min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 54min).

Average sunshine days in August
Les Quartiers, Guernsey

Average sunshine days in August - Les Quartiers, Guernsey
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is November (4 days).

Average UV index in August
Les Quartiers, Guernsey

Average UV index in August - Les Quartiers, Guernsey
  • Average UV index in August: 5

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

Average cloud cover in August
Les Quartiers, Guernsey

Average cloud cover in August - Les Quartiers, Guernsey
  • Average cloud cover in August: 40

The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in August
Les Quartiers, Guernsey

Average visibility in August - Les Quartiers, 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).

Les Quartiers, Guernsey

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