August weather forecast
Four Cabot, Guernsey

August

Weather in August

Despite the overall warm and sunny disposition of August, it distinctly exhibits an increase in rainfall to 41mm (1.61"), creating a stark contrast to July's lower 26mm (1.02"). It offers the last moments of intense summer heat before the transition into the milder autumn season. Among this, temperatures remain high, and the city still experiences long days of sunlight. The accompanying high humidity levels, however, can make the weather seem muggy at times. The arrival of September would bring a shift in climate as autumn begins to settle in, resulting in cooler temperatures and shorter days.

Temperature

In Four Cabot, Guernsey, the peak average temperatures are observed in August, with a high of 17.8°C (64°F) and a low of 15.8°C (60.4°F).

Humidity

In Four Cabot, the average relative humidity in August is 82%.

Rainfall

In Four Cabot, during August, the rain falls for 14 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.

Snowfall

In Four Cabot, snow does not fall in February through December.

Daylight

In Four Cabot, the average length of the day in August is 14h and 22min.
On the first day of August in Four Cabot, 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.

Sunshine

In August, the average sunshine is 9.2h.

UV index

The months with the highest UV index in Four Cabot are July through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, the maximum UV index of 5 suggests this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What is the hottest time of year in Four Cabot?
August tends to be the warmest month, with temperatures averaging a daily high of 17.8°C (64°F) and a low of 15.8°C (60.4°F).
What is the temperature in August in Four Cabot?
The high-temperature, in August, in Four Cabot, records 17.8°C (64°F), while the low-temperature is 15.8°C (60.4°F).
What is the average humidity in August in Four Cabot?
The average relative humidity in August is 82%.
How many days does it rain in August in Four Cabot?
In Four Cabot, Guernsey, in August, it is raining for 14 days, with typically 41mm (1.61") of accumulated precipitation.
When it does not snow in Four Cabot?
In Four Cabot, snow does not fall in February through December.
How many hours of daylight does Four Cabot have in August?
The average day length in August in Four Cabot is 14h and 22min.
When is the sunrise / sunset in August in Four Cabot?
In August, on the first day of the month, sunrise is at 05:42 and sunset at 20:50. On the last day of the month, in Four Cabot, Guernsey, sunrise is at 06:25 and sunset at 19:55 BST.
How many hours of sunshine does Four Cabot have in August?
In August, the average sunshine duration in Four Cabot is 9.2h.
What is the month with the highest UV index in Four Cabot?
July through September, with an average maximum UV index of 5, are months with the highest UV index in Four Cabot.
How high is the UV index in August in Four Cabot?
In August, the average daily maximum UV index in Four Cabot is 5. A UV Index reading of 3 to 5 represents a medium health risk 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 - Four Cabot, Guernsey
Average temperature in August
Four Cabot, 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 - Four Cabot, Guernsey
Average pressure in August
Four Cabot, 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 - Four Cabot, Guernsey
Average wind speed in August
Four Cabot, 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 - Four Cabot, Guernsey
Average humidity in August
Four Cabot, 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 - Four Cabot, Guernsey
Average rainfall in August
Four Cabot, 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 - Four Cabot, Guernsey
Average rainfall days in August
Four Cabot, 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 - Four Cabot, Guernsey
Average snowfall in August
Four Cabot, 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 - Four Cabot, Guernsey
Average snowfall days in August
Four Cabot, 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 - Four Cabot, Guernsey
Average daylight in August /
Average sunshine in August
Four Cabot, 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 - Four Cabot, Guernsey
Average sunshine days in August
Four Cabot, 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 - Four Cabot, Guernsey
Average UV index in August
Four Cabot, 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 - Four Cabot, Guernsey
Average cloud cover in August
Four Cabot, 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 - Four Cabot, Guernsey
Average visibility in August
Four Cabot, 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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