ClimateAverages

Blois Climate

Centre, France · population 53,660 · 248 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
15.6°C
Warmest month · July
24.7°C
Typical daytime high
Coldest month · January
-0.1°C
Typical overnight low

Blois has an average annual daytime high of 15.6°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 24.7°C, and its coldest is January, with overnight lows near -0.1°C.

Month by month averages

MonthAvg highAvg low
January6.3°C-0.1°CColdest
February8.2°C0.5°C
March11.8°C2.1°C
April15.1°C4.0°C
May18.9°C7.5°C
June22.3°C10.7°C
July24.7°C12.4°CWarmest
August24.3°C12.2°C
September21.6°C10.0°C
October16.3°C6.5°C
November10.3°C3.0°C
December7.1°C1.0°C

Temperature range across the year

-2°5°12°19°27°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2006
+2.2°C vs. 1951–1980
Coldest year on record
1829
-2.1°C vs. 1951–1980

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

Is Blois getting hotter?

Since 1900, Blois's average temperature has risen by +2.2°C. Compared to the earliest station records that begin in 1750, warming totals +2.5°C.

10.3°11.0°11.7°12.3°13.0°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 Blois?

Blois's average annual daytime high is 15.6°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 24.7°C, and the coldest is January, with lows averaging -0.1°C.

What is the warmest month in Blois?

July is the warmest month in Blois, with typical daytime highs of 24.7°C.

What is the hottest year on record for Blois?

2006 is the hottest year on record for Blois, running +2.2°C above the 1951 to 1980 baseline.

Is Blois getting hotter?

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

When is the best time to visit Blois?

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.