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 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 comes with a decrease in the average high-temperature, moving from a frosty 48.9°F (9.4°C) in November to a cold 38.8°F (3.8°C). During December, New Britain experiences a consistent low-temperature average of 28°F (-2.2°C).Humidity
The average relative humidity in December is 78%.Rainfall
December is the month with the most rainfall. Rain falls for 12.1 days and accumulates 3.54" (90mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In New Britain, in December, during 5.5 snowfall days, 3.23" (82mm) of snow is typically accumulated. In New Britain, during the entire year, snow falls for 31.7 days and aggregates up to 17.2" (437mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:30 pm EST.
Sunshine
In December, the average sunshine is 4.8h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in New Britain?
What is the average humidity in December in New Britain?
What is the rainiest month in New Britain?
How much does it rain in New Britain in December?
How many days does it snow in December in New Britain?
What is the month with the shortest days in New Britain?
How many hours of daylight does New Britain have in December?
When are sunrise and sunset in December in New Britain?
How long on average sun shines in December in New Britain?
When is the lowest UV index in New Britain?
What is the UV index intensity in December in New Britain?
Average temperature in December
New Britain, CT
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
New Britain, CT
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
New Britain, CT
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
New Britain, CT
- Average humidity in December: 78%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
New Britain, CT
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
New Britain, CT
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
New Britain, CT
- Average snowfall in December: 3.23"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
New Britain, CT
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
New Britain, CT
- 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 July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
New Britain, CT
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in December
New Britain, CT
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
New Britain, CT
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
New Britain, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).
New Britain, Connecticut, USA
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