March weather forecastBrest, France
March
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).Temperature
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). During the nights in March, an average low-temperature of 5.4°C (41.7°F) is observed in Brest.Humidity
In March, the average relative humidity in Brest, France, is 82%.Rainfall
In Brest, in March, it is raining for 14.5 days, with typically 96mm (3.78") of accumulated precipitation. Throughout the year, in Brest, France, there are 159 rainfall days, and 1210mm (47.64") of precipitation is accumulated.Snowfall
Months with snowfall in Brest are January through May, November and December. In March, snow falls for 1.6 days. In Brest, during the entire year, snow falls for 8.4 days.Sea temperature
With an average sea temperature of 10.2°C (50.4°F), March is the month with the coldest seawater.Note: Being in 10.2°C (50.4°F) waters at 13°C (55.4°F) is discomforting, but anything below 10°C (50°F) can jeopardize breathing and induce cold shock, factoring in physical endurance.
Daylight
In Brest, the average length of the day in March is 11h and 56min.On the first day of March in Brest, sunrise is at 07:58 and sunset at 19:02. On the last day of the month, sunrise is at 06:56 and sunset at 19:47 CET.
Sunshine
In March, the average sunshine is 3.8h.UV index
In March, the average daily maximum UV index in Brest is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 in March translates into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Brest, France
- Average high temperature in March: 11.5°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 March: 5.4°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 March
Brest, France
- Average humidity in March: 82%
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 March
Brest, France
- Average rainfall in March: 95.8mm
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 March
Brest, France
- Average rainfall days in March: 14.5 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 March
Brest, France
- Average snowfall days in March: 1.6 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 March
Brest, France
- Average sea temperature in March: 10.2°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 March /
Average sunshine in March
Brest, France
- Average daylight in March: 11h and 54min
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 March: 3h and 48min
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 March
Brest, France
- Average UV index in March: 3
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).





