ClimateAverages

Saint-Brieuc Climate

Brittany, France · population 52,774 · 128 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
14.1°C
Warmest month · August
20.8°C
Typical daytime high
Coldest month · January
2.9°C
Typical overnight low

Saint-Brieuc has an average annual daytime high of 14.1°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 20.8°C, and its coldest is January, with overnight lows near 2.9°C.

Month by month averages

MonthAvg highAvg low
January7.6°C2.9°CColdest
February8.3°C3.0°C
March10.6°C4.2°C
April12.6°C5.5°C
May15.9°C8.3°C
June18.6°C10.9°C
July20.6°C12.6°C
August20.8°C13.0°CWarmest
September19.1°C11.7°C
October15.4°C9.2°C
November11.0°C6.0°C
December8.7°C4.2°C

Temperature range across the year

1°6°12°17°23°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+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-Brieuc getting hotter?

Since 1900, Saint-Brieuc's average temperature has risen by +2.2°C. Compared to the earliest station records that begin in 1750, warming totals +2.6°C.

10.2°10.9°11.6°12.2°12.9°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-Brieuc?

Saint-Brieuc's average annual daytime high is 14.1°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 20.8°C, and the coldest is January, with lows averaging 2.9°C.

What is the warmest month in Saint-Brieuc?

August is the warmest month in Saint-Brieuc, with typical daytime highs of 20.8°C.

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

2023 is the hottest year on record for Saint-Brieuc, running +2.1°C above the 1951 to 1980 baseline.

Is Saint-Brieuc getting hotter?

Yes. Since 1900, Saint-Brieuc has warmed by roughly +2.2°C.

When is the best time to visit Saint-Brieuc?

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.