December weather forecast
Carolina, RI

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Weather in December

The first month of the winter, December, is still a cold month in Carolina, Rhode Island, with an average temperature fluctuating between 33.4°F (0.8°C) and 42.6°F (5.9°C).

Temperature

With December's onset, the weather reveals a slight temperature decrease, transitioning from a cool 51.3°F (10.7°C) in November to a cold 42.6°F (5.9°C). December generally records an average low-temperature of 33.4°F (0.8°C).

Humidity

In Carolina, the average relative humidity in December is 75%.

Rainfall

The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 3.39" (86mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Carolina, during December, snow falls for 3.5 days and regularly aggregates up to 1.06" (27mm) of snow. In Carolina, during the entire year, snow falls for 18.6 days and aggregates up to 6.26" (159mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:54 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:27 pm EST.

Sunshine

February and December, with an average of 4.9h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 2 in December leads to these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, in Carolina, the average high-temperature is 42.6°F (5.9°C), and the average low-temperature is 33.4°F (0.8°C).

What is the average humidity in December in Carolina?

In December, the average relative humidity is 75%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 3.39" (86mm) of precipitation.

How much does it rain in December?

In Carolina, during December, the rain falls for 11.5 days and regularly aggregates up to 3.39" (86mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 3.5 days. Throughout December, 1.06" (27mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Carolina, the average day length in December is 9h and 14min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:54 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:27 pm EST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 4.9h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December in Carolina is 4.9h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Carolina, RI

Average temperature in December - Carolina, RI
  • Average high temperature in December: 42.6°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 33.4°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December
Carolina, RI

Average pressure in December - Carolina, RI
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Carolina, RI

Average wind speed in December - Carolina, RI
  • Average wind speed in December: 12mph

The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

Average humidity in December
Carolina, RI

Average humidity in December - Carolina, RI
  • Average humidity in December: 75%

The months with the highest relative humidity are June and July (81%).
The months with the lowest relative humidity are March and November (74%).

Average rainfall in December
Carolina, RI

Average rainfall in December - Carolina, RI
  • Average rainfall in December: 3.39"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in December
Carolina, RI

Average rainfall days in December - Carolina, RI
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in December
Carolina, RI

Average snowfall in December - Carolina, RI
  • Average snowfall in December: 1.06"

The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Carolina, RI

Average snowfall days in December - Carolina, RI
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Carolina, RI
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in December
Carolina, RI

Average sunshine days in December - Carolina, RI
  • Average sunshine days in December: 17 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (11 days).

Average UV index in December
Carolina, RI

Average UV index in December - Carolina, 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 and December (UV index 2).

Average cloud cover in December
Carolina, RI

Average cloud cover in December - Carolina, RI
  • Average cloud cover in December: 47

The months with the most cloud cover are March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Carolina, RI

Average visibility in December - Carolina, 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).

Carolina, Rhode Island, USA

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