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
In December, the average high-temperature decreases from a wintry 41.7°F (5.4°C) in November to a subzero cold 31.1°F (-0.5°C). Dover observes an average low-temperature of 21.2°F (-6°C) during December.Humidity
The average relative humidity in December in Dover is 85%.Rainfall
In December, in Dover, Vermont, the rain falls for 10.9 days. Throughout December, 3.62" (92mm) of precipitation is accumulated. In Dover, during the entire year, the rain falls for 162.9 days and collects up to 38.46" (977mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Dover. In Dover, during December, snow falls for 14.7 days and regularly aggregates up to 9.53" (242mm) of snow. In Dover, during the entire year, snow falls for 79.7 days and aggregates up to 64.41" (1636mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:26 pm EST.
Sunshine
The average sunshine in December in Dover, Vermont, is 4h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Dover?
What is the average humidity in December in Dover?
How many days does it rain in December in Dover?
How many days does it snow in December in Dover?
What is the month with the shortest days in Dover?
How many hours of daylight does Dover have in December?
When are sunrise and sunset in December in Dover?
How long on average sun shines in December in Dover?
What is the month with the lowest UV index in Dover?
How high is the UV index in December in Dover?
Average temperature in December
Dover, VT
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in December
Dover, 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
Dover, VT
- Average wind speed in December: 8.2mph
The windiest months (with the highest average wind speed) are January and February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Dover, VT
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Dover, VT
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is October (3.74").
The driest month (with the least rainfall) is September (2.72").
Average rainfall days in December
Dover, VT
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in December
Dover, VT
- Average snowfall in December: 9.53"
The month with the highest snowfall is February (16.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dover, VT
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is February (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dover, VT
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Dover, VT
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Dover, VT
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Dover, VT
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in December
Dover, VT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Dover, Vermont, USA
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