December weather forecast
Narragansett, RI

Weather in December

The first month of the winter, December, is also a frosty month in Narragansett, Rhode Island, with an average temperature ranging between max 42.8°F (6°C) and min 33.4°F (0.8°C).

Temperature

In Narragansett, the average high-temperature in December marginally drops from a fresh 51.3°F (10.7°C) in November to a frosty 42.8°F (6°C). The average low-temperature, in Narragansett, is 33.4°F (0.8°C).

Humidity

In December, the average relative humidity is 75%.

Rainfall

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

Snowfall

January through March and December are months with snowfall in Narragansett, Rhode Island. December is the first month it typically snows. Throughout December, in the average 3.5 snowfall days, it receives 1.06" (27mm) of snow. Throughout the year, there are 17.3 snowfall days, and 6.1" (155mm) of snow is accumulated.

Daylight

The month with the shortest days in Narragansett is December, with an average of 9h and 14min of daylight.
On the first day of the month, sunrise is at 6:52 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:25 pm EST.

Sunshine

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

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Narragansett, Rhode Island. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Narragansett?

In December, the average relative humidity is 75%.

What is the wettest month in Narragansett?

The month with the most rainfall in Narragansett is December, when the rain falls for 10.5 days and typically aggregates up to 3.35" (85mm) of precipitation.

How many days does it rain in December in Narragansett?

In Narragansett, during December, the rain falls for 10.5 days and regularly aggregates up to 3.35" (85mm) of precipitation.

When does it start snowing in Narragansett?

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

What is the month with the shortest days in Narragansett?

The month with the shortest days is December, with an average of 9h and 14min of daylight.

How many hours of daylight does Narragansett have in December?

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

What time are sunrise and sunset in December in Narragansett?

In December, on the first day of the month, sunrise is at 6:52 am and sunset at 4:17 pm. On the last day of the month, in Narragansett, sunrise is at 7:11 am and sunset at 4:25 pm EST.

How many hours of sunshine does Narragansett have in December?

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

When is the lowest UV index in Narragansett?

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

How high is the UV index in December in Narragansett?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
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
Narragansett, RI

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).

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Average pressure in December
Narragansett, RI

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).

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Average wind speed in December
Narragansett, RI

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).

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Average humidity in December
Narragansett, RI

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%).

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Average rainfall in December
Narragansett, RI

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").

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Average rainfall days in December
Narragansett, RI

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).

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Average snowfall in December
Narragansett, RI

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").

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Average snowfall days in December
Narragansett, RI

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).

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

Average daylight in December / Average sunshine in December - Narragansett, RI
  • Average daylight in December: 9h and 14min

The month with the longest days is June (Average daylight: 15h and 8min).
The month with the shortest days is December (Average daylight: 9h and 14min).

  • 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).

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Average sunshine days in December
Narragansett, RI

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).

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Average UV index in December
Narragansett, RI

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).

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Average cloud cover in December
Narragansett, RI

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).

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Average visibility in December
Narragansett, RI

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).

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