December weather forecast
Woonsocket, RI

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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

The decrease of average high-temperatures is mild in December in Woonsocket, Rhode Island, with a decline from a frosty 49.1°F (9.5°C) in November to an icy 39.6°F (4.2°C). Woonsocket witnesses an average low-temperature of 28.2°F (-2.1°C) throughout the month of December.

Humidity

In Woonsocket, the average relative humidity in December is 77%.

Rainfall

In Woonsocket, in December, during 10.4 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Woonsocket, during the entire year, the rain falls for 144.7 days and collects up to 28.15" (715mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Woonsocket, Rhode Island, in December, snow falls for 4.8 days, with typically accumulated 3.39" (86mm) of snow. Throughout the year, in Woonsocket, there are 28.8 snowfall days, and 14.65" (372mm) of snow is accumulated.

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, in Woonsocket, sunrise is at 7:13 am and sunset at 4:24 pm EST.

Sunshine

The average sunshine in December in Woonsocket, Rhode Island, is 4.7h.

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 unsafe exposure to UV radiation for the ordinary person.
Note: In December, an average UV index of 2 transforms into the following 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. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

How cold is December in Woonsocket?

In December, in Woonsocket, the average high-temperature is 39.6°F (4.2°C), and the average low-temperature is 28.2°F (-2.1°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 86°F (30°C).

What is the average humidity in December in Woonsocket?

The average relative humidity in December in Woonsocket is 77%.

How many days does it rain in December in Woonsocket?

In Woonsocket, Rhode Island, in December, during 10.4 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

How many days does it snow in December in Woonsocket?

In Woonsocket, Rhode Island, in December, during 4.8 snowfall days, 3.39" (86mm) of snow is typically accumulated.

What is the month with the shortest days in Woonsocket?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Woonsocket, Rhode Island.

What is the average length of the day in December in Woonsocket?

The average day length in December in Woonsocket, Rhode Island, is 9h and 11min.

What time are sunrise and sunset in December in Woonsocket?

On the first day of December in Woonsocket, sunrise is at 6:55 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:24 pm EST.

How many hours of sunshine does Woonsocket have in December?

In December, the average sunshine duration is 4.7h.

What are the months with the lowest UV index in Woonsocket?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Woonsocket, Rhode Island.

How high is the UV index in December in Woonsocket?

In Woonsocket, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Woonsocket, RI

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).

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Average pressure in December
Woonsocket, RI

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).

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Average wind speed in December
Woonsocket, RI

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).

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Average humidity in December
Woonsocket, RI

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%).

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Average rainfall in December
Woonsocket, RI

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").

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Average rainfall days in December
Woonsocket, RI

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).

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Average snowfall in December
Woonsocket, RI

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").

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Average snowfall days in December
Woonsocket, RI

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).

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Average daylight in December /
Average sunshine in December
Woonsocket, RI

Average daylight in December / Average sunshine in December - Woonsocket, 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 4min

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).

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Average sunshine days in December
Woonsocket, RI

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).

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Average UV index in December
Woonsocket, RI

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).

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Average cloud cover in December
Woonsocket, RI

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).

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Average visibility in December
Woonsocket, RI

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).

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Woonsocket, Rhode Island, USA

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