Best year time to visit Castleton (historical)

General weather information about Castleton (historical)

Average annual temperature is 5.3 °C

Absolute maximum temperature: 32.3 °C

Absolute minimum temperature: -29.1 °C

Number of sunny days: 159 days

Number of rainy days: 140 days

Number of snow days: 66 days

* Weather data for Castleton (historical) United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	7.8	8.4	9.4	18.4	23.4	26.5	31.1	32.3	28.3	23.8	13.4	12.8
Average daytime temperature (°C)	-1.4	1.0	0.7	8.1	17.3	20.2	24.5	24.5	20.9	11.4	6.9	3.9
Average temperature (°C)	-5.9	-5.3	-5.5	1.2	11.0	14.1	17.4	17.6	13.8	5.1	1.4	-1.5
Average night temperature (°C)	-9.5	-9.9	-10.5	-4.0	5.6	9.0	10.9	11.7	7.9	0.5	-2.8	-5.0
Absolute minimum temperature (°C)	-28.5	-29.1	-16.7	-13.7	-4.6	4.1	5.1	7.1	2.7	-10.8	-11.4	-11.0

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

Months with the longest average daylight duration in Castleton (historical):

The largest precipitation sum in Castleton (historical) is at

May — 109(mm)

June — 148(mm)

August — 79(mm)

When is the best time to visit Castleton (historical)?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Castleton (historical).

What is the weather like in Castleton (historical)?

See average temperature, rainfall and daylight hours for Castleton (historical) by month in the table above.

How many sunny days does Castleton (historical) have?

The monthly weather statistics above show sunshine and rainfall patterns for Castleton (historical) throughout the year.