Brest, France Climate by Month
Brest, Brittany, France
Mild summers and cool winters, with rain spread through the year.
Brest has mild summers and cool winters, with rain spread through the year. Expect highs of 70°F (21°C) in July and 50°F (10°C) in January, with the coldest nights (February) near 41°F (5°C). About 45 in (1144 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 83% relative humidity.
- Warmest month
- 70°F(21°C)
- Average high, July
- Coldest nights
- 41°F(5°C)
- Average low, February
- Rain per year
- 45 in(1144 mm)
- No clear rainy season
- Humidity
- 83%
- Sunniest: June
Best and worst months in Brest
Best for weatherThe most comfortable weather comes from June to August, with highs around 69°F (20°C) and about 2.5 in (64 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 50°F (10°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Brest weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 50°F(10°C) | 41°F(5°C) | 5.2 in(131 mm) | 87% | 0.9 |
| FebFebruary | 50°F(10°C) | 41°F(5°C) | 4.3 in(109 mm) | 87% | 1.7 |
| MarMarch | 54°F(12°C) | 43°F(6°C) | 3.2 in(81 mm) | 79% | 2.8 |
| AprApril | 57°F(14°C) | 44°F(7°C) | 3.4 in(86 mm) | 80% | 4.2 |
| MayMay | 62°F(17°C) | 49°F(9°C) | 2.6 in(66 mm) | 80% | 5.2 |
| JunJuneBest | 67°F(19°C) | 53°F(12°C) | 2.2 in(57 mm) | 79% | 5.5 |
| JulJulyBest | 70°F(21°C) | 56°F(13°C) | 2.4 in(61 mm) | 82% | 5.1 |
| AugAugustBest | 70°F(21°C) | 56°F(14°C) | 2.9 in(73 mm) | 81% | 4.5 |
| SepSeptember | 67°F(19°C) | 54°F(12°C) | 2.9 in(73 mm) | 84% | 3.5 |
| OctOctober | 61°F(16°C) | 50°F(10°C) | 5.2 in(132 mm) | 86% | 2.0 |
| NovNovember | 55°F(13°C) | 46°F(8°C) | 5.2 in(133 mm) | 88% | 1.2 |
| DecDecember | 51°F(11°C) | 43°F(6°C) | 5.6 in(142 mm) | 82% | 0.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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