Climate in Castleton, Vermont

Castleton, Vermont gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Castleton averages 66 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 162 sunny days per year in Castleton. The US average is 205 sunny days.

Castleton gets some kind of precipitation, on average, 130 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 82 degrees
Winter Low: the January low is 10
Rain: averages 41 inches of rain a year
Snow: averages 66 inches of snow a year

BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Castleton is 6.5 (10=best), which means it is one of the most pleasant places in Vermont.

July is the hottest month for Castleton with an average high temperature of 82.4°, which ranks it as one of the hottest places in Vermont. In Castleton, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Castleton are June, August and July.

January has the coldest nighttime temperatures for Castleton with an average of 9.7°. This is one of the warmest places in Vermont.

In Castleton, there are 7.1 days annually when the high temperature is over 90°, which is one of the hottest places in Vermont.

In Castleton, there are 157.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Vermont.

In Castleton, there are 17.4 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Vermont.

July is the wettest month in Castleton with 4.6 inches of rain, and the driest month is February with 2.2 inches. The wettest season is Autumn with 31% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 40.7 inches in Castleton means that it is drier than most places in Vermont.

May is the rainiest month in Castleton with 12.9 days of rain, and February is the driest month with only 8.6 rainy days. There are 130.4 rainy days annually in Castleton, which is one of the least rainy places in Vermont. The rainiest season is Autumn when it rains 26% of the time and the driest is Spring with only a 24% chance of a rainy day.

An annual snowfall of 66.3 inches in Castleton means that it is less snowy than most places in Vermont. January is the snowiest month in Castleton with 17.7 inches of snow, and 6 months of the year have significant snowfall.

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