Best year time to visit Castleton

General weather information about Castleton

Average annual temperature is 8.8 °C

Absolute maximum temperature: 31.3 °C

Absolute minimum temperature: -32.7 °C

Number of sunny days: 134 days

Number of rainy days: 196 days

Number of snow days: 35 days

Look at detailed online map of Castleton

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

Castleton air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	6.3	11.2	9.2	26.4	28.7	31.3	30.1	26.6	31.3	27.1	13.5	10.2
Average daytime temperature (°C)	0.6	1.8	3.8	13.9	19.2	23.1	25.9	23.6	22.3	15.0	6.1	3.9
Average temperature (°C)	-2.8	-3.9	-0.6	7.9	13.2	18.5	21.3	19.1	17.2	11.5	2.4	0.9
Average night temperature (°C)	-5.9	-8.9	-4.3	2.9	7.5	14.0	16.9	15.2	12.7	8.4	-1.1	-1.8
Absolute minimum temperature (°C)	-15.1	-32.7	-11.7	-7.8	0.5	9.7	12.8	9.7	7.2	-3.7	-7.2	-11.3

Castleton monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	12.0	14.0	15.0	15.0	15.0	14.0	13.0	11.0	10.0	9.0
Daylight mean duration (h)	9.3	10.5	11.9	13.5	14.8	15.4	15.1	14.0	12.5	11.0	9.7	8.9
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	9.0	8.0
Sunshine mean duration (h)	3.4	5.6	6.4	9.1	11.6	11.0	11.8	11.1	10.0	5.4	5.9	2.8
Precipitation (mm)	100	86	104	102	45	81	147	90	22	57	45	105
Sunny days	7	8	14	11	21	9	2	9	17	12	14	10
Rainy days	14	10	9	17	10	21	29	22	13	19	13	19
Snow days	10	10	8	2	0	0	0	0	0	0	3	2

Castleton - weather forecast by months

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

Best time to visit Castleton:

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

May — 11.6(h)
June — 11.0(h)
July — 11.8(h)
August — 11.1(h)
September — 10.0(h)

Months with the longest average daylight duration in Castleton:

June — 15.4(h)

The largest precipitation sum in Castleton is at

March — 104(mm)

July — 147(mm)

December — 105(mm)

Weather forecast in the closest to Castleton admin centers