Saint-Malo Climate by Month
Saint-Malo, Brittany, France
Mild summers and cool winters, with rain spread through the year.
The climate in Saint-Malo is one of mild summers and cool winters, with rain spread through the year. Afternoon highs range from 49°F (9°C) in January to 73°F (23°C) in August, and February nights average 40°F (4°C). About 30 in (756 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 79% relative humidity.
- Warmest month
- 73°F(23°C)
- Average high, August
- Coldest nights
- 40°F(4°C)
- Average low, February
- Rain per year
- 30 in(756 mm)
- No clear rainy season
- Humidity
- 79%
- Sunniest: June
Best and worst months in Saint-Malo
Best for weatherJuly and August are the best time for weather in Saint-Malo: highs near 73°F (23°C) and about 1.8 in (46 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December 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)
Saint-Malo weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 49°F(9°C) | 40°F(5°C) | 3.1 in(80 mm) | 80% | 0.9 |
| FebFebruary | 50°F(10°C) | 40°F(4°C) | 2.2 in(57 mm) | 79% | 1.7 |
| MarMarch | 55°F(13°C) | 43°F(6°C) | 2.2 in(55 mm) | 77% | 2.9 |
| AprApril | 59°F(15°C) | 45°F(7°C) | 1.9 in(49 mm) | 76% | 4.4 |
| MayMay | 65°F(18°C) | 50°F(10°C) | 2.0 in(50 mm) | 74% | 5.3 |
| JunJune | 69°F(21°C) | 55°F(13°C) | 1.7 in(44 mm) | 78% | 5.8 |
| JulJulyBest | 73°F(23°C) | 59°F(15°C) | 1.8 in(46 mm) | 73% | 5.7 |
| AugAugustBest | 73°F(23°C) | 59°F(15°C) | 1.8 in(46 mm) | 77% | 4.8 |
| SepSeptember | 69°F(21°C) | 55°F(13°C) | 2.1 in(54 mm) | 78% | 3.7 |
| OctOctober | 62°F(17°C) | 51°F(11°C) | 3.3 in(84 mm) | 83% | 2.0 |
| NovNovember | 55°F(13°C) | 45°F(7°C) | 3.7 in(94 mm) | 81% | 1.2 |
| DecDecember | 50°F(10°C) | 42°F(5°C) | 3.8 in(97 mm) | 86% | 0.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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