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
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's fresh 52.5°F (11.4°C) to a frosty 44.4°F (6.9°C). An average low-temperature of 36.7°F (2.6°C) characterizes New Shoreham's December nights.Humidity
The average relative humidity in December is 74%.Rainfall
December is the month with the most rainfall. Rain falls for 12.7 days and accumulates 3.66" (93mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In New Shoreham, in December, snow falls for 3.2 days, with typically accumulated 0.83" (21mm) of snow. Throughout the year, there are 18.3 snowfall days, and 5.47" (139mm) of snow is accumulated.Ocean temperature
In December, the average ocean temperature is 48.2°F (9°C).Note: Taking a dip in 48.2°F (9°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.
Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 6:52 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:27 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 4.8h of sunshine.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Consider this! The reflection from snow 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 it in December?
What is the average humidity in December?
What is the rainiest 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?
How many hours of daylight does New Shoreham have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does New Shoreham have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
New Shoreham, RI
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is August (69.1°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
New Shoreham, 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
New Shoreham, RI
- Average wind speed in December: 15.8mph
The windiest month (with the highest average wind speed) is January (16.3mph).
The calmest month (with the lowest average wind speed) is July (10.7mph).
Average humidity in December
New Shoreham, RI
- Average humidity in December: 74%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
New Shoreham, RI
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
New Shoreham, RI
- Average rainfall days in December: 12.7 days
The months with the highest number of rainy days are April and July (15.2 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
New Shoreham, RI
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
New Shoreham, RI
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
New Shoreham, RI
- Average sea temperature in December: 48°F
The best month for swimming (with the highest average sea temperature) is August (70°F).
The coldest months (with the lowest average sea temperature) are February and March (39°F).
Average daylight in December /
Average sunshine in December
New Shoreham, RI
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
New Shoreham, RI
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is August (16.2 days).
The month with the least sunshine days is December (12.3 days).
Average UV index in December
New Shoreham, 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
New Shoreham, RI
- Average cloud cover in December: 48
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
New Shoreham, 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).
New Shoreham, Rhode Island, USA
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