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
Colchester's weather in December involves a decrease in the average high-temperature, moving down from November's cold 41.7°F (5.4°C) to a freezing cold 30.4°F (-0.9°C). Colchester in December anticipates an average nighttime temperature of 20.3°F (-6.5°C).Humidity
The average relative humidity in December in Colchester is 83%.Rainfall
In Colchester, in December, it is raining for 10.5 days, with typically 1.1" (28mm) of accumulated precipitation. In Colchester, during the entire year, the rain falls for 153.4 days and collects up to 17.01" (432mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Colchester, during December, snow falls for 17.3 days and regularly aggregates up to 3.43" (87mm) of snow. Throughout the year, in Colchester, there are 87.7 snowfall days, and 22.64" (575mm) of snow is accumulated.Daylight
December has the shortest days of the year in Colchester, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:14 pm. On the last day of December, in Colchester, sunrise is at 7:29 am and sunset at 4:22 pm EST.
Sunshine
In December, the average sunshine in Colchester is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Colchester. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 1 during December translates into the following guidance:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold is it in Colchester in December?
What is the average humidity in December in Colchester?
How much does it rain in Colchester in December?
How much does it snow in Colchester in December?
What is the month with the shortest days in Colchester?
What is the average length of the day in December in Colchester?
What time are sunrise and sunset in December in Colchester?
How many hours of sunshine does Colchester have in December?
When is the lowest UV index in Colchester?
How high is the UV index in December in Colchester?
Average temperature in December
Colchester, VT
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in December: 20.3°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 (12.4°F).
Average pressure in December
Colchester, VT
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Colchester, VT
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Colchester, VT
- Average humidity in December: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Colchester, VT
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (2.09").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Colchester, VT
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Colchester, VT
- Average snowfall in December: 3.43"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Colchester, VT
- Average snowfall days in December: 17.3 days
The months with the highest number of snowfall days are January and February (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Colchester, VT
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).
Average sunshine days in December
Colchester, VT
- Average sunshine days in December: 9.3 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
Colchester, 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 January and December (UV index 1).
Average cloud cover in December
Colchester, VT
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are July, August and September (Cloud cover 35).
Average visibility in December
Colchester, VT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Colchester, Vermont, USA
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