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
As November transitions to December, the average high-temperature falls from a cool 50.4°F (10.2°C) to a cold 40.8°F (4.9°C). During December nights, Westcott records an average temperature of 30.7°F (-0.7°C).Humidity
The average relative humidity in December in Westcott is 76%.Rainfall
In Westcott, during December, the rain falls for 10.2 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 135.6 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Westcott, during December, snow falls for 4 days and regularly aggregates up to 1.06" (27mm) of snow. In Westcott, during the entire year, snow falls for 21.2 days and aggregates up to 6.46" (164mm) of snow.Daylight
The month with the shortest days in Westcott is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 4:16 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:25 pm EST.
Sunshine
The months with the least sunshine in Westcott are February and December, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
Is December cold in Westcott?
What is the average humidity in December in Westcott?
How many days does it rain in December in Westcott?
How many days does it snow in December in Westcott?
What is the month with the shortest days in Westcott?
How many hours of daylight does Westcott have in December?
What time are sunrise and sunset in December in Westcott?
What is the month with the least sunshine in Westcott?
How many hours of sunshine does Westcott have in December?
What is the month with the lowest UV index in Westcott?
What is the UV index reading in December in Westcott?
Average temperature in December
Westcott, RI
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
Westcott, RI
- 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 (29.93"Hg).
Average wind speed in December
Westcott, RI
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Westcott, RI
- Average humidity in December: 76%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Westcott, RI
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is April (2.17").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Westcott, RI
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Westcott, RI
- Average snowfall in December: 1.06"
The month with the highest snowfall is March (1.89").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Westcott, RI
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Westcott, RI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Westcott, RI
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in December
Westcott, RI
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Westcott, RI
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Westcott, RI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Westcott, Rhode Island, USA
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