December weather forecastYantic, CT
December
Weather in December
The first month of the winter, December, is also a wintry month in Yantic, Connecticut, with an average temperature ranging between max 40.8°F (4.9°C) and min 29.8°F (-1.2°C).Temperature
December brings a decrease in the average high-temperature, shifting from a fresh 50.2°F (10.1°C) in November to an icy 40.8°F (4.9°C). In the month of December, the temperature in Yantic generally rests at an average low of 29.8°F (-1.2°C).Humidity
The average relative humidity in December in Yantic is 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.3 days and typically aggregates up to 3.7" (94mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Yantic, in December, during 4.8 snowfall days, 1.73" (44mm) of snow is typically accumulated. In Yantic, during the entire year, snow falls for 26.4 days and aggregates up to 11.14" (283mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:56 am and sunset at 4:19 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:28 pm EST.
Sunshine
December has the least sunshine of the year in Yantic, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index in Yantic are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Yantic, CT
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Yantic, CT
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Yantic, CT
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Yantic, CT
- Average humidity in December: 76%
The months with the highest relative humidity are February, June, July and September (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Yantic, CT
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Yantic, CT
- Average rainfall days in December: 11.3 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Yantic, CT
- Average snowfall in December: 1.73"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Yantic, CT
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Yantic, 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 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Yantic, CT
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in December
Yantic, CT
- 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
Yantic, CT
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Yantic, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, September, October, November and December (6mi).
The months with the lowest visibility are May, June, July and August (5mi).
