Castleton, VT Climate


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Castleton, VT has a humid continental climate with warm and humid summers, cold and snowy winters, and ample precipitation throughout the year. The area has four distinct seasons, with average temperatures ranging from highs in the 80s during summer months to lows in the single digits during winter months. Annual precipitation usually ranges from 40-50 inches, with snowfall accumulating between 75-100 inches per season. Spring and Fall both bring pleasant weather for outdoor activities such as hiking or biking.

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.

9.1 Summer - 4 Winter
August, July and June are the most pleasant months in Castleton, while January and December are the least comfortable months.

  ClimateCastleton, VermontUnited States
    Unlock38.1 in.
  66.3 in.  Unlock
    Unlock106.2 days
  162 days  Unlock
  82.4°85.8°
    Unlock21.7°
  6.5  Unlock
    Unlock4.3
  446 ft.  Unlock
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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.
In Castleton, there are 7.1 days annually when the high temperature is over 90°, which is one of the hottest places in Vermont.
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 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.
Humidity in Castleton is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.
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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