Saint-Malo climate by month
In Saint-Malo, the warmest month is August, with average highs of 23.2 °C, and the coldest is January, with average lows of 3.7 °C. About 722 mm of rain falls each year over 147 days; November is the wettest month (81 mm) and July the driest (38 mm).
Best time to visit Saint-Malo: for mild, mostly dry days, aim for June, July, August, September.
| Month | Avg high | Avg low | Rain | Rainy days |
|---|---|---|---|---|
| January | 8.7 °C | 3.7 °C | 76 mm | 16 |
| February | 10.1 °C | 3.9 °C | 60 mm | 12 |
| March | 12.2 °C | 5 °C | 54 mm | 14 |
| April | 15 °C | 6.3 °C | 43 mm | 10 |
| May | 17.9 °C | 9.4 °C | 48 mm | 11 |
| June | 21.1 °C | 12.5 °C | 67 mm | 11 |
| July | 23 °C | 14.3 °C | 38 mm | 9 |
| August | 23.2 °C | 14.5 °C | 49 mm | 10 |
| September | 20.9 °C | 12.9 °C | 55 mm | 12 |
| October | 17.2 °C | 10.1 °C | 74 mm | 13 |
| November | 12.7 °C | 7.2 °C | 81 mm | 15 |
| December | 10 °C | 5.4 °C | 77 mm | 15 |
2015–2024 averages computed from NASA POWER data (about 50 km grid: values may differ slightly from a city weather station, especially on the coast or in the mountains).
Frequently asked questions
What is the 15-day weather forecast for Saint-Malo?
The first 10 days come from the forecast model of the Norwegian Meteorological Institute (MET Norway), updated several times a day. After that, we show the outlook: the normal temperatures in Saint-Malo for the time of year and the chance of rain, based on the last 10 years.
Is there a 30-day forecast for Saint-Malo?
No model can reliably forecast the weather on a specific day 30 days ahead. The outlook shows what is typical in Saint-Malo at that time of year: a good basis for planning a trip, to be checked against the 10-day forecast as the date gets closer.
What is the hottest month in Saint-Malo?
August, with average highs of 23.2 °C. The coldest month is January, with average lows of 3.7 °C.
What is the rainiest month in Saint-Malo?
November. The driest month is July. On average it rains on 147 days a year in Saint-Malo, for about 722 mm of precipitation.
How can I check past weather in Saint-Malo?
Pick a date in the "Past weather" section to see the high and low temperatures and the rain recorded that day, how it compared with normal, and the same day in previous years.
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