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Laon Weather by Month

Average temperatures, rainfall and humidity for Laon, France, month by month, built from OpenWeather’s historical records. Use it to see what a typical Laon month looks like before you travel — then check the live Laon forecast for the days ahead.

Warmest month

July

26°C average high

Coolest month

January

2°C average low

Wettest month

February

83 mm of rain

Driest month

September

33 mm of rain

Average temperature and rainfall in Laon by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January7°C2°C-12°C / 15°C
39 mm
88%15 km/h
February9°C2°C-12°C / 20°C
83 mm
84%16 km/h
March12°C2°C-11°C / 25°C
46 mm
78%15 km/h
April16°C5°C-5°C / 27°C
34 mm
72%13 km/h
May19°C8°C-2°C / 32°C
37 mm
74%12 km/h
June24°C12°C2°C / 38°C
36 mm
73%12 km/h
July26°C14°C4°C / 41°C
37 mm
68%12 km/h
August26°C14°C4°C / 38°C
34 mm
70%11 km/h
September21°C10°C0°C / 34°C
33 mm
76%12 km/h
October16°C8°C-1°C / 26°C
33 mm
85%13 km/h
November11°C5°C-6°C / 22°C
36 mm
88%14 km/h
December8°C3°C-10°C / 17°C
34 mm
89%15 km/h

Best time to visit Laon

The most comfortable time to visit Laon is generally June to August, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around February, totalling about 481 mm a year.

Travellers who prefer heat should aim for July, when highs average 26°C. February is the month to avoid if rain would spoil your plans — it averages 83 mm, roughly 3× the rainfall of the driest month (September).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Laon forecast for what is happening now.

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