Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As November transitions to December, the average high-temperature falls from a cool 50.5°F (10.3°C) to a cold 41.2°F (5.1°C). Nighttime temperatures in December average to a freezing cold 31.1°F (-0.5°C).Humidity
In Warwick, Rhode Island, the average relative humidity in December is 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.7 days and typically aggregates up to 3.07" (78mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Warwick, in December, during 4.2 snowfall days, 1.42" (36mm) of snow is typically accumulated. In Warwick, during the entire year, snow falls for 24 days and aggregates up to 9.13" (232mm) of snow.Ocean temperature
In Warwick, in December, the average water temperature is 47.8°F (8.8°C).Note: Swimming in 47.8°F (8.8°C) at temperatures under 50°F (10°C) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 55.4°F (13°C) feels frosty.
Daylight
The month with the shortest days 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, in Warwick, sunrise is at 7:12 am and sunset at 4:25 pm EST.
Sunshine
In Warwick, the average sunshine in December 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Warwick?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
How much does it snow in December?
How cold is the water in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Warwick have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Warwick, RI
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Warwick, 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
Warwick, RI
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Warwick, RI
- Average humidity in December: 76%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Warwick, RI
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
Warwick, RI
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Warwick, RI
- Average snowfall in December: 1.42"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Warwick, RI
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is January (6.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Warwick, RI
- Average sea temperature in December: 47.7°F
The best month for swimming (with the highest average sea temperature) is August (69.3°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).
Average daylight in December /
Average sunshine in December
Warwick, RI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Warwick, RI
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Warwick, 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
Warwick, RI
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Warwick, 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).
Warwick, Rhode Island, USA
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