ClimateAverages

Nantes Climate

Pays de la Loire, France · population 277,269 · 155 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
16.4°C
Warmest month · July
24.5°C
Typical daytime high
Coldest month · January
1.3°C
Typical overnight low

Nantes has an average annual daytime high of 16.4°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 24.5°C, and its coldest is January, with overnight lows near 1.3°C.

Month by month averages

MonthAvg highAvg low
January8.1°C1.3°CColdest
February9.5°C1.8°C
March12.7°C3.5°C
April15.5°C5.2°C
May19.0°C8.5°C
June22.3°C11.5°C
July24.5°C13.1°CWarmest
August24.3°C13.1°C
September22.1°C11.2°C
October17.4°C8.0°C
November11.9°C4.6°C
December9.1°C2.6°C

Temperature range across the year

-1°6°13°20°26°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2022
+2.3°C vs. 1951–1980
Coldest year on record
1829
-2.0°C vs. 1951–1980

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

Is Nantes getting hotter?

Since 1900, Nantes's average temperature has risen by +2.2°C. Compared to the earliest station records that begin in 1750, warming totals +2.7°C.

11.1°11.8°12.4°13.1°13.8°1951–1980 baseline190019251950197520002025

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

Best time to visit
April to October

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

FAQ

What is the average temperature in Nantes?

Nantes's average annual daytime high is 16.4°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 24.5°C, and the coldest is January, with lows averaging 1.3°C.

What is the warmest month in Nantes?

July is the warmest month in Nantes, with typical daytime highs of 24.5°C.

What is the hottest year on record for Nantes?

2022 is the hottest year on record for Nantes, running +2.3°C above the 1951 to 1980 baseline.

Is Nantes getting hotter?

Yes. Since 1900, Nantes has warmed by roughly +2.2°C.

When is the best time to visit Nantes?

April 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.