December weather forecastMiddletown, RI

December

Weather in December

Finally stepping into December, Middletown transitions into true winter, with temperatures falling to the lower end of the scale, reaching up to 42.4°F (5.8°C). A notable resurgence in snowfall, absent since March, covers the city in a blanket of white, signifying the full advent of winter. December possess the shortest daylight hours of the year, equating to longer evenings wrapped in winter's chill. The city's weather in December perfectly complements the magical ambiance of the holiday season. With December's weather, Middletown completes its annual weather cycle, returning to the cold temperatures and snowy conditions of the year's beginning.

Temperature

The shift from November to December in Middletown, Rhode Island, includes a small decrease in the average high-temperature, from a cool 51.1°F (10.6°C) to an icy 42.4°F (5.8°C). Middletown sees an average low-temperature of 33.1°F (0.6°C) during December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Middletown, in December, during 11.5 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, in Middletown, there are 148.1 rainfall days, and 29.65" (753mm) of precipitation is accumulated.

Snowfall

January through March, May, November and December are months with snowfall in Middletown, Rhode Island. In December, in Middletown, Rhode Island, it is snowing for 3.8 days. Throughout December, 1.38" (35mm) of snow is accumulated. Throughout the year, in Middletown, there are 22.9 snowfall days, and 8.78" (223mm) of snow is accumulated.

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 6:52 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:25 pm EST.

Sunshine

The average sunshine in December is 4.9h.

UV index

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Middletown. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 in December translates into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Middletown, Rhode Island, during December is 42.4°F (5.8°C) and the low-temperature is 33.1°F (0.6°C).

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

In Middletown, Rhode Island, in December, it is raining for 11.5 days, with typically 3.23" (82mm) of accumulated precipitation.

In Middletown, Rhode Island, during December, snow falls for 3.8 days and regularly aggregates up to 1.38" (35mm) of snow.

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

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

On the first day of December in Middletown, sunrise is at 6:52 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:25 pm EST.

The average sunshine duration in December is 4.9h.

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

The average daily maximum UV index in December in Middletown is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

51.1°F

42.4°F

36.1°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12mph

12.3mph

12.9mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

17.7

15.5

15.6

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Middletown, RI

Average high temperature in December: 42.4°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (36.1°F).

Average low temperature in December: 33.1°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 (26.4°F).

Average pressure in December
Middletown, RI

Average pressure in December: 30.03"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
Middletown, RI

Average wind speed in December: 11.6mph

The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

Average humidity in December
Middletown, RI

Average humidity in December: 75%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is March (73%).

Average rainfall in December
Middletown, RI

Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in December
Middletown, RI

Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Middletown, RI

Average snowfall in December: 1.38"

The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in December
Middletown, RI

Average snowfall days in December: 3.8 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in December
Middletown, 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
Middletown, 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
Middletown, 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).