December weather forecastWoonsocket, RI
December
Weather in December
December brings a full circle to Woonsocket’s weather, closing the year with notable winter characteristics. As temperatures continue to drop from November, snowfall increases significantly to 3.39" (86mm), confirming the return of winter. The dissipating daylight hours, shortest for the year now, contribute to the overall chilly atmosphere. Yet, the city continues to experience good visibility despite low cloud coverage. While residents and visitors suit up to brave the cold yet again, the spirit of the holiday season keeps the city vibrant and alive.Temperature
In Woonsocket, the average high-temperature in December drops from a chilly 49.1°F (9.5°C) in November to a wintry 39.6°F (4.2°C). Throughout December, the nighttime temperature averages to a subzero cold 28.2°F (-2.1°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Woonsocket, in December, it is raining for 10.4 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 144.7 rainfall days, and 28.15" (715mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Woonsocket, in December, snow falls for 4.8 days, with typically accumulated 3.39" (86mm) of snow. In Woonsocket, during the entire year, snow falls for 28.8 days and aggregates up to 14.65" (372mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:15 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:24 pm EST.
Sunshine
In Woonsocket, the average sunshine in December is 4.7h.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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Woonsocket, RI
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Woonsocket, 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
Woonsocket, RI
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Woonsocket, RI
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Woonsocket, RI
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in December
Woonsocket, RI
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (7.9 days).
Average snowfall in December
Woonsocket, RI
- Average snowfall in December: 3.39"
The month with the highest snowfall is March (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Woonsocket, RI
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Woonsocket, 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 42min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Woonsocket, RI
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in December
Woonsocket, 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
Woonsocket, RI
- Average cloud cover in December: 49
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Woonsocket, RI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
