ClimateAverages

Saint-Malo Climate

Brittany, France · population 50,676 · 150 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
14.2°C
Warmest month · August
20.9°C
Typical daytime high
Coldest month · January
3.1°C
Typical overnight low

Saint-Malo has an average annual daytime high of 14.2°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 20.9°C, and its coldest is January, with overnight lows near 3.1°C.

Month by month averages

MonthAvg highAvg low
January7.6°C3.1°CColdest
February8.4°C3.2°C
March10.7°C4.5°C
April12.8°C6.0°C
May16.1°C8.8°C
June18.6°C11.4°C
July20.6°C13.2°C
August20.9°C13.6°CWarmest
September19.3°C12.3°C
October15.6°C9.6°C
November11.2°C6.3°C
December8.8°C4.3°C

Temperature range across the year

1°7°12°17°23°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2022
+2.1°C vs. 1951–1980
Coldest year on record
1813
-1.6°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Saint-Malo getting hotter?

Since 1900, Saint-Malo's average temperature has risen by +2.1°C. Compared to the earliest station records that begin in 1750, warming totals +2.5°C.

10.4°11.1°11.8°12.4°13.1°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
May to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Saint-Malo?

Saint-Malo's average annual daytime high is 14.2°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 20.9°C, and the coldest is January, with lows averaging 3.1°C.

What is the warmest month in Saint-Malo?

August is the warmest month in Saint-Malo, with typical daytime highs of 20.9°C.

What is the hottest year on record for Saint-Malo?

2022 is the hottest year on record for Saint-Malo, running +2.1°C above the 1951 to 1980 baseline.

Is Saint-Malo getting hotter?

Yes. Since 1900, Saint-Malo has warmed by roughly +2.1°C.

When is the best time to visit Saint-Malo?

May to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.