Climate averages 1991–2020
Brest, France weather
in October.
A mild, wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Brest, France: daytime highs average 15.2°C and nights cool to about 11.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 92 mm of rain on roughly 14 days, which makes October a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 52 min on an average October day.
The nearest other city in this atlas is Saint Helier (196 km away). In October its highs average 15.2°C, about as warm as Brest, France, with 122 mm of rain.
Among the 57 cities listed in France, Brest, France ranks joint 49th of 57 for the warmest October highs and 41st of 57 for the driest October (rainfall, lowest first). The mean October high of those 57 cities is 16.8°C; Brest, France is 1.7°C cooler than that mean.
From October to November, average highs fall by 2.9°C to 12.3°C, and monthly rainfall rises from 92 mm to 96 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Saint Helier in OctoberJersey · 196 kmHigh 15.2°C · Low 12.9°C · 122 mm rain
- Rennes in OctoberFrance · 210 kmHigh 16.3°C · Low 9.7°C · 69 mm rain
- Plymouth in OctoberUnited Kingdom · 222 kmHigh 14.4°C · Low 10.3°C · 104 mm rain
- Nantes in OctoberFrance · 255 kmHigh 16.9°C · Low 10.5°C · 73 mm rain
- Exeter in OctoberUnited Kingdom · 269 kmHigh 14.2°C · Low 9.2°C · 76 mm rain
- Angers in OctoberFrance · 310 kmHigh 16.8°C · Low 10.0°C · 68 mm rain
- Caen in OctoberFrance · 315 kmHigh 15.9°C · Low 9.9°C · 65 mm rain
- Poole in OctoberUnited Kingdom · 315 kmHigh 14.6°C · Low 10.6°C · 82 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.