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
December involves a decrease in temperature, down from a chilly 42.8°F (6°C) in November to a freezing cold 31.5°F (-0.3°C). December is noted for a mean low-temperature of 21.6°F (-5.8°C).Humidity
In Orwell, the average relative humidity in December is 82%.Rainfall
In Orwell, in December, it is raining for 13.1 days, with typically 1.97" (50mm) of accumulated precipitation. In Orwell, during the entire year, the rain falls for 167.8 days and collects up to 24.06" (611mm) of precipitation.Snowfall
Months with snowfall in Orwell are January through May, October through December. In Orwell, in December, snow falls for 13 days, with typically accumulated 5.51" (140mm) of snow. Throughout the year, there are 69.6 snowfall days, and 33.11" (841mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:07 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:25 pm EST.
Sunshine
In December, the average sunshine is 4.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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 December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Orwell have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Orwell, VT
- Average high temperature in December: 31.5°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Orwell, 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 (29.91"Hg).
Average wind speed in December
Orwell, VT
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Orwell, VT
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in December
Orwell, VT
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in December
Orwell, VT
- Average rainfall days in December: 13.1 days
The months with the highest number of rainy days are April and June (17.1 days).
The month with the least rainy days is February (10.1 days).
Average snowfall in December
Orwell, VT
- Average snowfall in December: 5.51"
The month with the highest snowfall is February (9.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Orwell, VT
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Orwell, VT
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Orwell, VT
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in December
Orwell, VT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Orwell, VT
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in December
Orwell, VT
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Orwell, Vermont, USA
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