Chelles weather by month

Warmest month

July

26°C average high

Coolest month

January

2°C average low

Wettest month

May

65 mm of rain

Driest month

July

38 mm of rain

Average temperature and rainfall in Chelles by month

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

Month	Avg high	Avg low	Record low / high	Rainfall	Humidity	Wind
January	7°C	2°C	-11°C / 16°C	49 mm	87%	14 km/h
February	9°C	3°C	-8°C / 21°C	50 mm	81%	15 km/h
March	12°C	5°C	-8°C / 25°C	51 mm	74%	15 km/h
April	16°C	7°C	-2°C / 28°C	41 mm	66%	14 km/h
May	19°C	10°C	1°C / 33°C	65 mm	70%	13 km/h
June	24°C	14°C	7°C / 41°C	52 mm	67%	12 km/h
July	26°C	16°C	8°C / 41°C	38 mm	63%	12 km/h
August	26°C	15°C	7°C / 40°C	53 mm	66%	11 km/h
September	22°C	13°C	4°C / 35°C	46 mm	73%	11 km/h
October	17°C	10°C	0°C / 29°C	53 mm	82%	13 km/h
November	11°C	6°C	-4°C / 20°C	56 mm	86%	13 km/h
December	9°C	4°C	-7°C / 16°C	55 mm	88%	14 km/h

Frost and snow-likely months in Chelles

No month in Chelles averages a night of 2°C or below. The coldest month is January with an average low of 2°C and a record low of -11°C, so frost is rare and snow is very unlikely.

These records carry temperature and precipitation, not snowfall totals.

Best time to visit Chelles

The most comfortable time to visit Chelles is generally June to July and September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rainfall is spread evenly across the months, totalling about 609 mm a year.

Travellers who prefer heat should aim for July, when highs average 26°C. May is the month to avoid if rain would spoil your plans — it averages 65 mm, roughly 2× the rainfall of the driest month (July).

Chelles climate: your questions

Does it snow a lot in Chelles?

No: the coldest month in Chelles is January with an average low of 2°C and a record low of -11°C, so snow is very unlikely. What is falling now: Chelles weather today.

Will it snow in Chelles this winter?

Chelles's winter months average lows of 4°C in December, 2°C in January and 3°C in February, with about 154 mm of precipitation across the three; 0 of them sit at or below 0°C, so snow is unlikely. The records hold no snowfall totals. The next 15 days: Chelles 10-day forecast.

Which months are best for visiting Chelles?

June to July and September are the most comfortable months in Chelles, with highs near 24°C. July is the warmest month, averaging 26°C by day; May is the wettest, with 65 mm; and January is the coolest, with lows near 2°C. What it is doing today: Chelles weather today.

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