December weather forecastCarolina, RI
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 12min
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 54min
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: 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: 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: 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: 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).
