Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift from November to December corresponds with a decrease in the average high-temperature, down to a freezing cold 30.4°F (-0.9°C) from a cold 41°F (5°C). The nighttime temperature, during December, averages of 20.3°F (-6.5°C).Humidity
The average relative humidity in December is 85%.Rainfall
In Dorset, during December, the rain falls for 8.1 days and regularly aggregates up to 3.27" (83mm) of precipitation. Throughout the year, in Dorset, there are 154.9 rainfall days, and 37.32" (948mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 17.7 days. Throughout December, 12.56" (319mm) of snow is accumulated. Throughout the year, there are 99.8 snowfall days, and 82.64" (2099mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:26 pm EST.
Sunshine
In Dorset, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index in Dorset, Vermont, are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 1 in December leads to these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in Dorset in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Dorset have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Dorset, VT
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in December
Dorset, VT
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Dorset, VT
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Dorset, VT
- Average humidity in December: 85%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in December
Dorset, VT
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is June (3.62").
The driest months (with the least rainfall) are January, March and September (2.64").
Average rainfall days in December
Dorset, VT
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Dorset, VT
- Average snowfall in December: 12.56"
The month with the highest snowfall is February (15.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dorset, VT
- Average snowfall days in December: 17.7 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dorset, VT
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Dorset, VT
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Dorset, VT
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Dorset, VT
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in December
Dorset, VT
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
Dorset, Vermont, USA
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