December weather forecastNarragansett, RI

December

Weather in December

December is the final month of the year in Narragansett, where the city embraces typical winter conditions with lower temperature values than in November. It heralds the return of snowfall after a year's wait, with an estimated average of 1.06" (27mm). The onset of this snowy period adds to the city's festive ambience, with Christmas and New Year's Eve decorating the calendar. Decreasing daylight hours and an increasing percentage of cloud cover add to the festive winter charm. The cold, crisp weather combined with the joyous celebrations make for an authentic New England December experience in Narragansett.

Temperature

As Narragansett enters December, the average high-temperature subtly lowers from the a fresh 51.3°F (10.7°C) of November to a frosty 42.8°F (6°C). Narragansett, during the nights of December, experiences an average temperature drop to a wintry 33.4°F (0.8°C).

Humidity

In December, the average relative humidity is 75%.

Rainfall

December is the month with the most rainfall. Rain falls for 10.5 days and accumulates 3.35" (85mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 3.5 snowfall days, it receives 1.06" (27mm) of snow. In Narragansett, during the entire year, snow falls for 17.3 days and aggregates up to 6.1" (155mm) of snow.

Daylight

The month with the shortest days in Narragansett is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 6:53 am and sunset at 4:16 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:26 pm EST.

Sunshine

In December, the average sunshine is 4.9h.

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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. During bright days, sunglasses that offer UVA and UVB defense are recommended. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Updated: Jul 2, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Narragansett, 42.8°F (6°C) is the average high-temperature and 33.4°F (0.8°C) is the average low-temperature during December.

The average relative humidity in December is 75%.

December is the month with the most rainfall. Rain falls for 10.5 days and accumulates 3.35" (85mm) of precipitation.

In Narragansett, in December, during 10.5 rainfall days, 3.35" (85mm) of precipitation is typically accumulated.

December is the first month it typically snows. Throughout December, in the average 3.5 snowfall days, it receives 1.06" (27mm) of snow.

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

In Narragansett, Rhode Island, the average day length in December is 9h and 14min.

On the first day of December, sunrise is at 6:53 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:26 pm EST.

In Narragansett, Rhode Island, the average sunshine duration in December is 4.9h.

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

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

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

51.3°F

42.8°F

36.7°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.4mph

12.7mph

13.3mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

19.4

18.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Narragansett, RI

Average high temperature in December: 42.8°F

The warmest months (with the highest average high temperature) are July and August (77.5°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 (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in December
Narragansett, 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
Narragansett, RI

Average wind speed in December: 12mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).

Average humidity in December
Narragansett, RI

Average humidity in December: 75%

The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are March, April and November (74%).

Average rainfall in December
Narragansett, RI

Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in December
Narragansett, RI

Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Narragansett, RI

Average snowfall in December: 1.06"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Narragansett, RI

Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (5.3 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
Narragansett, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Narragansett, RI

Average sunshine days in December: 18 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12.2 days).

Average UV index in December
Narragansett, 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
Narragansett, RI

Average cloud cover in December: 47

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Narragansett, 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).