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
With an average high-temperature of 17.8°C (64°F) and an average low-temperature of 15.8°C (60.4°F), August is the warmest month.Humidity
The average relative humidity in August is 82%.Rainfall
In Saint Sampson, Guernsey, during August, the rain falls for 14 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, in Saint Sampson, there are 196.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.Snowfall
In Saint Sampson, snow does not fall in February through December.Daylight
The average length of the day in August in Saint Sampson 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
In August, the average sunshine is 9.2h.UV index
July through September, with an average maximum UV index of 5, are months with the highest UV index in Saint Sampson. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 5 in August transforms into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. 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 hottest time of year in Saint Sampson?
What is the average August temperature in Saint Sampson?
What is the average humidity in August in Saint Sampson?
How many days does it rain in August in Saint Sampson?
When it does not snow in Saint Sampson?
What is the average length of the day in August in Saint Sampson?
When is the sunrise / sunset in August in Saint Sampson?
How many hours of sunshine does Saint Sampson have in August?
When is the highest UV index in Saint Sampson?
What is the UV index reading in August in Saint Sampson?
Average temperature in August
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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
Saint Sampson, 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).
Saint Sampson, Guernsey
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