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Weather in August
Temperature
The highest temperatures are recorded in August, with averages reaching a high of 20.8°C (69.4°F) and a low of 13.2°C (55.8°F).Humidity
In Brest, the average relative humidity in August is 83%.Rainfall
In Brest, in August, during 9.6 rainfall days, 67mm (2.64") of precipitation is typically accumulated. In Brest, during the entire year, the rain falls for 159 days and collects up to 1210mm (47.64") of precipitation.Snowfall
In Brest, snow does not fall in June through October.Sea temperature
August is the month with the warmest seawater, with an average sea temperature of 16.9°C (62.4°F).Note: For the majority, swimming in 16.9°C (62.4°F) does not offer a pleasant experience. Below 21°C (69.8°F), the difficulty in controlling breathing escalates.
Daylight
In August, the average length of the day is 14h and 17min.On the first day of the month, sunrise is at 06:53 and sunset at 21:54. On the last day of August, sunrise is at 07:34 and sunset at 21:01 CEST.
Sunshine
In Brest, the average sunshine in August is 5.6h.UV index
The average daily maximum UV index in August in Brest is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 during August leads to these advisories:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the hottest time of year in Brest?
What are August temperatures in Brest?
What is the average humidity in August in Brest?
How many days does it rain in August in Brest?
When it does not snow in Brest?
What is the month with the warmest sea water in Brest?
What is the sea water temperature in August in Brest?
What is the average length of the day in August in Brest?
What time are sunrise and sunset in August in Brest?
How many hours of sunshine does Brest have in August?
What is the UV index intensity in August in Brest?
Average temperature in August
Brest, France
- Average high temperature in August: 20.8°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in August: 13.2°C
The months with the highest average low temperature are July and August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).
Average humidity in August
Brest, France
- Average humidity in August: 83%
The months with the highest relative humidity are January, October and December (86%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in August
Brest, France
- Average rainfall in August: 66.8mm
The wettest month (with the highest rainfall) is December (147.8mm).
The driest month (with the least rainfall) is June (59.8mm).
Average rainfall days in August
Brest, France
- Average rainfall days in August: 9.6 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is June (8.6 days).
Average snowfall days in August
Brest, France
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in August
Brest, France
- Average sea temperature in August: 16.9°C
The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (10.2°C).
Average daylight in August /
Average sunshine in August
Brest, France
- Average daylight in August: 14h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 5h and 4min
The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average UV index in August
Brest, France
- Average UV index in August: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 1).
Brest, France
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