Climate averages 1991–2020
Brest, France weather
in July.
A mild, moderately wet month: the 2nd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a mild month in Brest, France: daytime highs average 18.9°C and nights cool to about 14.6°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 45 mm of rain on roughly 10 days, which makes July a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 40 min on an average July day.
The nearest other city in this atlas is Saint Helier (196 km away). In July its highs average 17.9°C, 1.0°C cooler than Brest, France, with 48 mm of rain.
Among the 57 cities listed in France, Brest, France ranks 57th of 57 for the warmest July highs and 19th of 57 for the driest July (rainfall, lowest first). The mean July high of those 57 cities is 24.9°C; Brest, France is 6.0°C cooler than that mean.
From July to August, average highs rise by 0.2°C to 19.1°C, and monthly rainfall rises from 45 mm to 53 mm.
The annual picture
July 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 | 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, selected | 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
July in nearby cities
- Saint Helier in JulyJersey · 196 kmHigh 17.9°C · Low 15.4°C · 48 mm rain
- Rennes in JulyFrance · 210 kmHigh 23.1°C · Low 14.2°C · 46 mm rain
- Plymouth in JulyUnited Kingdom · 222 kmHigh 19.4°C · Low 13.9°C · 61 mm rain
- Nantes in JulyFrance · 255 kmHigh 23.7°C · Low 15.2°C · 39 mm rain
- Exeter in JulyUnited Kingdom · 269 kmHigh 19.9°C · Low 13.2°C · 57 mm rain
- Angers in JulyFrance · 310 kmHigh 24.2°C · Low 15.1°C · 40 mm rain
- Caen in JulyFrance · 315 kmHigh 22.5°C · Low 14.3°C · 55 mm rain
- Poole in JulyUnited Kingdom · 315 kmHigh 20.1°C · Low 14.4°C · 47 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.