Best year time to visit Calais

General weather information about Calais

Average annual temperature is 5.5 °C

Absolute maximum temperature: 29.3 °C

Absolute minimum temperature: -28.8 °C

Number of sunny days: 180 days

Number of rainy days: 136 days

Number of snow days: 49 days

Look at detailed online map of Calais

* Weather data for Calais Canada is based on climate observations for 2026 year

Calais air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	6.1	6.1	7.5	24.3	29.3	29.1	29.0	27.1	25.1	23.4	9.5	7.9
Average daytime temperature (°C)	-2.8	-2.9	-1.0	11.5	22.3	22.1	22.4	22.3	18.6	10.6	3.9	1.9
Average temperature (°C)	-6.1	-7.7	-7.0	4.5	15.1	16.1	17.1	16.7	12.6	5.5	0.0	-2.1
Average night temperature (°C)	-8.4	-11.0	-11.1	-1.2	8.8	11.4	12.9	12.4	7.8	1.9	-2.5	-5.0
Absolute minimum temperature (°C)	-22.2	-28.8	-22.9	-7.2	4.1	6.5	9.0	7.7	4.1	-10.2	-10.7	-11.1

Calais monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	12.0	15.0	16.0	17.0	17.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	7.9	9.7	11.9	14.1	16.2	17.3	16.7	14.9	12.7	10.5	8.4	7.3
Daylight minimum duration (h)	7.0	8.0	10.0	13.0	15.0	16.0	15.0	13.0	11.0	9.0	7.0	7.0
Sunshine mean duration (h)	3.3	3.9	9.0	10.4	12.5	12.2	11.9	10.9	10.2	6.6	4.5	4.1
Precipitation (mm)	22	38	4	17	120	78	174	65	11	41	9	10
Sunny days	19	6	20	15	16	9	7	14	18	18	15	23
Rainy days	6	8	0	12	15	21	24	17	12	8	10	3
Snow days	6	14	11	3	0	0	0	0	0	5	5	5

Calais - weather forecast by months

Calais weather in january Calais weather in february Calais weather in march Calais weather in april Calais weather in may Calais weather in june Calais weather in july Calais weather in august Calais weather in september Calais weather in october Calais weather in november Calais weather in december

Best time to visit Calais:

The best time to visit Calais during the most sunny months:

April — 10.4(h)
May — 12.5(h)
June — 12.2(h)
July — 11.9(h)
August — 10.9(h)

Months with the longest average daylight duration in Calais:

May — 16.2(h)
June — 17.3(h)
July — 16.7(h)

The largest precipitation sum in Calais is at

May — 120(mm)

June — 78(mm)

July — 174(mm)

August — 65(mm)

Weather forecast in the closest to Calais admin centers