Weatheo

Saint-Malo Weather by Month

Average temperatures, rainfall and humidity for Saint-Malo, France, month by month, built from OpenWeather’s historical records. Use it to see what a typical Saint-Malo month looks like before you travel — then check the live Saint-Malo forecast for the days ahead.

Warmest month

July

25°C average high

Coolest month

January

3°C average low

Wettest month

January

69 mm of rain

Driest month

July

27 mm of rain

Average temperature and rainfall in Saint-Malo by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January9°C3°C-11°C / 15°C
69 mm
89%14 km/h
February10°C4°C-6°C / 21°C
63 mm
83%15 km/h
March13°C5°C-4°C / 24°C
49 mm
79%15 km/h
April16°C6°C-4°C / 28°C
45 mm
73%13 km/h
May19°C9°C0°C / 34°C
50 mm
74%13 km/h
June23°C12°C5°C / 44°C
41 mm
73%12 km/h
July25°C14°C6°C / 40°C
27 mm
71%13 km/h
August24°C14°C6°C / 39°C
39 mm
73%11 km/h
September22°C12°C5°C / 34°C
30 mm
77%11 km/h
October17°C9°C-1°C / 30°C
55 mm
84%13 km/h
November13°C6°C-3°C / 20°C
59 mm
87%13 km/h
December10°C4°C-7°C / 18°C
52 mm
89%14 km/h

Best time to visit Saint-Malo

The most comfortable time to visit Saint-Malo is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around January, totalling about 579 mm a year.

Travellers who prefer heat should aim for July, when highs average 25°C. January is the month to avoid if rain would spoil your plans — it averages 69 mm, roughly 3× the rainfall of the driest month (July).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Saint-Malo forecast for what is happening now.

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