Climate averages 1991–2020
Brest, France weather
in March.
A cool, moderately wet month: the 9th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Brest, France: daytime highs average 10.9°C and nights cool to about 7.1°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 64 mm of rain on roughly 13 days, which makes March a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 52 min on an average March day.
The nearest other city in this atlas is Saint Helier (196 km away). In March its highs average 9.7°C, 1.2°C cooler than Brest, France, with 69 mm of rain.
Among the 57 cities listed in France, Brest, France ranks joint 48th of 57 for the warmest March highs and 47th of 57 for the driest March (rainfall, lowest first). The mean March high of those 57 cities is 12.4°C; Brest, France is 1.5°C cooler than that mean.
From March to April, average highs rise by 1.6°C to 12.5°C, and monthly rainfall rises from 64 mm to 66 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Brest, France climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.7°C6.7°C | 6.7°C | 99 | 15.3 | 8.89 h |
| February | 9.6°C6.2°C | 6.2°C | 80 | 13.4 | 10.210 h |
| March, selected | 10.9°C7.1°C | 7.1°C | 64 | 12.6 | 11.912 h |
| April | 12.5°C8.2°C | 8.2°C | 66 | 11.9 | 13.614 h |
| May | 15.0°C10.6°C | 10.6°C | 59 | 10.5 | 15.215 h |
| June | 17.3°C12.9°C | 12.9°C | 47 | 9.7 | 16.016 h |
| July | 18.9°C14.6°C | 14.6°C | 45 | 10.1 | 15.716 h |
| August | 19.1°C14.9°C | 14.9°C | 53 | 10.0 | 14.314 h |
| September | 17.8°C13.6°C | 13.6°C | 52 | 9.6 | 12.613 h |
| October | 15.2°C11.8°C | 11.8°C | 92 | 14.1 | 10.911 h |
| November | 12.3°C9.5°C | 9.5°C | 96 | 14.9 | 9.39 h |
| December | 10.4°C7.4°C | 7.4°C | 105 | 15.3 | 8.48 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Saint Helier in MarchJersey · 196 kmHigh 9.7°C · Low 7.3°C · 69 mm rain
- Rennes in MarchFrance · 210 kmHigh 12.2°C · Low 4.6°C · 52 mm rain
- Plymouth in MarchUnited Kingdom · 222 kmHigh 10.2°C · Low 5.2°C · 67 mm rain
- Nantes in MarchFrance · 255 kmHigh 12.5°C · Low 5.2°C · 53 mm rain
- Exeter in MarchUnited Kingdom · 269 kmHigh 10.0°C · Low 4.1°C · 56 mm rain
- Angers in MarchFrance · 310 kmHigh 12.4°C · Low 4.7°C · 49 mm rain
- Caen in MarchFrance · 315 kmHigh 11.6°C · Low 4.5°C · 54 mm rain
- Poole in MarchUnited Kingdom · 315 kmHigh 10.0°C · Low 5.1°C · 49 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Brest) is explained once on the Brest, France year overview and on the Sources, method and limits page.