December weather forecast
Cranston, RI

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Weather in December

December brings winter in full swing to Cranston with an average high temperature dropping to a chilling 40.6°F (4.8°C). This month experiences the highest snowfall inches, and snow days become a commonality. The limited sunshine duration and short daylight hours of 9.2 hours leave the city in an extended spell of twilight. The cloudy skies and persistent winds carry a further chill, compelling residents to bundle up in warm clothing. December's weather is a blend of snow-covered landscapes and cold temperatures, offering a winter wonderland atmosphere in Cranston.

Temperature

The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a cool 50.4°F (10.2°C) in November to an icy 40.6°F (4.8°C). Cranston's average low-temperature during December nights is observed to be a subzero cold 30.2°F (-1°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

December is the month with the most rainfall. Rain falls for 3.9 days and accumulates 0.59" (15mm) of precipitation.

Snowfall

January through March, May, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 2 days and accumulates 0.31" (8mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Cranston.
On the first day of the month, sunrise is at 6:54 am and sunset at 4:15 pm. On the last day of December, in Cranston, sunrise is at 7:12 am and sunset at 4:25 pm EST.

Sunshine

In Cranston, the average sunshine in December is 4.9h.

UV index

The months with the lowest UV index in Cranston 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 exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

Is it cold in Cranston during December?

The high-temperature, in December, in Cranston, records 40.6°F (4.8°C), while the low-temperature is 30.2°F (-1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in July is evaluated at 86°F (30°C).

What is the average humidity in December in Cranston?

In December, the average relative humidity in Cranston is 76%.

What is the rainiest month in Cranston?

December is the month with the most rainfall in Cranston. Rain falls for 3.9 days and accumulates 0.59" (15mm) of precipitation.

How much does it rain in Cranston in December?

In Cranston, in December, it is raining for 3.9 days, with typically 0.59" (15mm) of accumulated precipitation.

When does it snow the most in Cranston?

The month with the most snowfall in Cranston, Rhode Island, is December, when snow falls for 2 days and typically aggregates up to 0.31" (8mm) of snow.

How many days does it snow in December in Cranston?

In Cranston, Rhode Island, in December, snow falls for 2 days, with typically accumulated 0.31" (8mm) of snow.

What is the month with the shortest days in Cranston?

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

How many hours of daylight does Cranston have in December?

In December, the average day length is 9h and 12min.

When are sunrise and sunset in December in Cranston?

In December, on the first day of the month, sunrise is at 6:54 am and sunset at 4:15 pm. On the last day of the month, in Cranston, Rhode Island, sunrise is at 7:12 am and sunset at 4:25 pm EST.

How long on average sun shines in December in Cranston?

In December, the average sunshine duration is 4.9h.

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

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

What is the UV index intensity in December in Cranston?

In December, the average daily maximum UV index in Cranston is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Cranston, RI

Average temperature in December - Cranston, RI
  • Average high temperature in December: 40.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in December
Cranston, RI

Average pressure in December - Cranston, 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
Cranston, RI

Average wind speed in December - Cranston, RI
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in December
Cranston, RI

Average humidity in December - Cranston, 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%).

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Average rainfall in December
Cranston, RI

Average rainfall in December - Cranston, RI
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is December (0.59").
The driest month (with the least rainfall) is September (0.12").

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Average rainfall days in December
Cranston, RI

Average rainfall days in December - Cranston, RI
  • Average rainfall days in December: 3.9 days

The month with the highest number of rainy days is July (6.6 days).
The month with the least rainy days is January (3 days).

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Average snowfall in December
Cranston, RI

Average snowfall in December - Cranston, RI
  • Average snowfall in December: 0.31"

The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in December
Cranston, RI

Average snowfall days in December - Cranston, RI
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Cranston, 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 month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Cranston, RI

Average sunshine days in December - Cranston, RI
  • Average sunshine days in December: 23.9 days

The month with the most sunshine days is January (25.9 days).
The month with the least sunshine days is July (21.2 days).

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Average UV index in December
Cranston, RI

Average UV index in December - Cranston, 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
Cranston, RI

Average cloud cover in December - Cranston, 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 31).

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Average visibility in December
Cranston, RI

Average visibility in December - Cranston, 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).

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Cranston, Rhode Island, USA

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