December weather forecastBerlin, CT
December
Weather in December
December, the first month of the winter in Berlin, is also an icy month, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 28°F (-2.2°C).Temperature
In December, the meteorological conditions alter, with the average high-temperature shifting from a frosty 48.9°F (9.4°C) in November to a wintry 38.8°F (3.8°C). The temperature in Berlin lowers to an average of 28°F (-2.2°C) during December nights.Humidity
The average relative humidity in December is 78%.Rainfall
December is the month with the most rainfall in Berlin. Rain falls for 12.1 days and accumulates 3.54" (90mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Berlin, in December, snow falls for 5.5 days, with typically accumulated 3.23" (82mm) of snow. In Berlin, 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 in Berlin is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:30 pm EST.
Sunshine
The average sunshine in December in Berlin is 4.8h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Berlin. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. It's recommended to limit sun exposure when its radiation is at its peak during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Berlin, 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
Berlin, 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
Berlin, 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
Berlin, 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
Berlin, 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
Berlin, 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
Berlin, 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
Berlin, 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
Berlin, CT
- 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 48min
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
Berlin, 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
Berlin, 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
Berlin, 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
Berlin, 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).
