December weather forecastWest Warwick, RI
December
Weather in December
Finishing off the year, December gifts West Warwick with a full-blown winter experience. Subfreezing temperatures become the norm, averaging around 40.8°F (4.9°C) for the high. Daylight hours dwindle to their lowest, and snowfall makes a triumphant return. The cold breeze of winter strengthens, accompanying the drop in temperatures. Thus, ending the year in a season of festive holidays and chilly weather.Temperature
The commencement of December involves a temperature shift, with the average high-temperature dropping from a fresh 50.4°F (10.2°C) in November to a wintry 40.8°F (4.9°C). West Warwick records an average nighttime low-temperature of 30.7°F (-0.7°C) throughout December.Humidity
In December, the average relative humidity in West Warwick is 76%.Rainfall
In December, in West Warwick, the rain falls for 10.2 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. In West Warwick, during the entire year, the rain falls for 135.6 days and collects up to 20.31" (516mm) of precipitation.Snowfall
Months with snowfall in West Warwick are January through May, November and December. In December, in West Warwick, it is snowing for 4 days. Throughout December, 1.06" (27mm) of snow is accumulated. Throughout the year, there are 21.2 snowfall days, and 6.46" (164mm) of snow is accumulated.Daylight
The month with the shortest days in West Warwick is December, 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
In December, the average sunshine in West Warwick is 4.9h.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Warwick, 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
West Warwick, 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
West Warwick, 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
West Warwick, 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
West Warwick, RI
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is April (2.17").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
West Warwick, 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
West Warwick, 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
West Warwick, 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
West Warwick, 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 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
West Warwick, 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
West Warwick, 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
West Warwick, 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
West Warwick, 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).





