Climate and monthly weather forecastBrest, France
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Brest, France, with an average temperature ranging between max 9.3°C (48.7°F) and min 4.4°C (39.9°F). The month of January sees the lowest average temperatures, reaching 9.3°C (48.7°F) at the peak and 4.4°C (39.9°F) at the low. Weather in January »Weather in February
February, the last month of the winter in Brest, is also a frosty month, with temperature in the range of an average low of 4.1°C (39.4°F) and an average high of 9.5°C (49.1°F). Brest's transition from January to February introduces an average high-temperature of a still chilly 9.5°C (49.1°F), marking an insignificant variation from the 9.3°C (48.7°F). Weather in February »Weather in March
March, the first month of the spring in Brest, is a cool month, with an average temperature fluctuating between 11.5°C (52.7°F) and 5.4°C (41.7°F). The beginning of March records an average high-temperature of a fresh 11.5°C (52.7°F), marking a negligible difference from February's 9.5°C (49.1°F). Weather in March »Weather in April
April in Brest, France, is a refreshing spring month, with an average temperature ranging between max 13.2°C (55.8°F) and min 6.1°C (43°F). The arrival of April brings an average high-temperature of a moderate 13.2°C (55.8°F), closely following the temperature pattern of March. Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Brest, France, with temperature in the range of an average low of 8.9°C (48°F) and an average high of 16.2°C (61.2°F). May brings a slight rise in Brest's average high-temperature, moving from a mild 13.2°C (55.8°F) in April to a still refreshing 16.2°C (61.2°F). Weather in May »Weather in June
The first month of the summer, June, is still a comfortable month in Brest, France, with temperature in the range of an average high of 18.7°C (65.7°F) and an average low of 11.2°C (52.2°F). The transition into June reveals an average high-temperature of a still comfortable 18.7°C (65.7°F), mirroring a close resemblance to May. Weather in June »Weather in July
July in Brest, France, is an agreeable summer month, with an average temperature fluctuating between 13.2°C (55.8°F) and 20.7°C (69.3°F). Brest's shift into July is marked by a subtle change to an agreeable 20.7°C (69.3°F) from June's 18.7°C (65.7°F) in temperature. Weather in July »Weather in August
August, the last month of the summer in Brest, is another pleasant month, with an average temperature varying between 13.2°C (55.8°F) and 20.8°C (69.4°F). 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). Weather in August »Weather in September
September, the first month of the autumn in Brest, is also an enjoyable month, with an average temperature ranging between min 11.6°C (52.9°F) and max 19.1°C (66.4°F). The transition into September notes an average high-temperature of a refreshing 19.1°C (66.4°F), revealing a mild distinction from the 20.8°C (69.4°F) in August. Weather in September »Weather in October
October, the same as September, in Brest, France, is another mild autumn month, with an average temperature ranging between max 15.7°C (60.3°F) and min 9.6°C (49.3°F). The shift from September to October coincides with a small decrease in the average high-temperature, down to a mild 15.7°C (60.3°F) from an enjoyable 19.1°C (66.4°F). Weather in October »Weather in November
November, the last month of the autumn in Brest, is another cool month, with an average temperature fluctuating between 12.2°C (54°F) and 6.7°C (44.1°F). The arrival of November is marked by a minor reduction in average high-temperature, sliding from a mild 15.7°C (60.3°F) in October to a cool 12.2°C (54°F). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Brest, France, with an average temperature varying between 9.9°C (49.8°F) and 4.8°C (40.6°F). The onset of December brings an average high-temperature of a chilly 9.9°C (49.8°F), nearly matching the November temperature. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Brest, France
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).
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
Brest, France
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
Brest, France
- Average rainfall in January:
143.8mm - Average rainfall in February:
111.7mm - Average rainfall in March:
95.8mm - Average rainfall in April:
92.1mm - Average rainfall in May:
79mm - Average rainfall in June:
59.8mm
- Average rainfall in July:
66.8mm - Average rainfall in August:
66.8mm - Average rainfall in September:
83.3mm - Average rainfall in October:
129mm - Average rainfall in November:
134.1mm - Average rainfall in December:
147.8mm
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
Brest, France
- Average rainfall days in January:
17.7 days - Average rainfall days in February:
14 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
13 days - Average rainfall days in May:
11.3 days - Average rainfall days in June:
8.6 days
- Average rainfall days in July:
10.4 days - Average rainfall days in August:
9.6 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
15.7 days - Average rainfall days in November:
16.9 days - Average rainfall days in December:
17.2 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
Brest, France
- Average snowfall days in January:
2 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
1.6 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
1.2 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
Brest, France
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 / Average sunshine
Brest, France
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 24min
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 January:
2h and 0min - Average sunshine in February:
2h and 48min - Average sunshine in March:
3h and 48min - Average sunshine in April:
5h and 12min - Average sunshine in May:
5h and 48min - Average sunshine in June:
6h and 24min
- Average sunshine in July:
5h and 30min - Average sunshine in August:
5h and 36min - Average sunshine in September:
5h and 18min - Average sunshine in October:
3h and 30min - Average sunshine in November:
2h and 24min - Average sunshine in December:
2h and 6min
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
Brest, France
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).





