December weather forecastColvintown, RI
December
Weather in December
The first month of the winter, December, is also a wintry month in Colvintown, Rhode Island, with an average temperature varying between 30.7°F (-0.7°C) and 40.8°F (4.9°C).Temperature
December involves a decrease in temperature, down from a cool 50.4°F (10.2°C) in November to a cold 40.8°F (4.9°C). The nights of December in Colvintown anticipate an average low-temperature of 30.7°F (-0.7°C).Humidity
In December, the average relative humidity in Colvintown is 76%.Rainfall
In Colvintown, in December, it is raining for 10.2 days, with typically 1.81" (46mm) of accumulated precipitation. In Colvintown, during the entire year, the rain falls for 135.6 days and collects up to 20.39" (518mm) of precipitation.Snowfall
Months with snowfall in Colvintown, Rhode Island, are January through May, November and December. In Colvintown, Rhode Island, in December, snow falls for 4 days, with typically accumulated 1.06" (27mm) of snow. In Colvintown, during the entire year, snow falls for 21.2 days and aggregates up to 6.46" (164mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:54 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:25 pm EST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.8h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. 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
Average temperature in December
Colvintown, 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
Colvintown, 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
Colvintown, 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
Colvintown, 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
Colvintown, 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
Colvintown, 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
Colvintown, 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
Colvintown, 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
Colvintown, RI
- Average daylight in December: 9h and 12min
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 48min
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
Colvintown, 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
Colvintown, 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
Colvintown, 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
Colvintown, 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).





