December weather forecastMiddlefield, CT
December
Weather in December
The first month of the winter, December, is still a cold month in Middlefield, Connecticut, with temperature in the range of an average high of 39.7°F (4.3°C) and an average low of 29.1°F (-1.6°C).Temperature
Observing a mild shift, the average high-temperature during December reduces from November's chilly 49.3°F (9.6°C) to a cold 39.7°F (4.3°C). Middlefield throughout December, records an average low-temperature of 29.1°F (-1.6°C).Humidity
The average relative humidity in December is 77%.Rainfall
The wettest months are July and December, with an average 1.26" (32mm) of rainfall.Snowfall
January through May, November and December are months with snowfall. In December, it is snowing for 3.9 days. Throughout December, 0.91" (23mm) of snow is accumulated. Throughout the year, in Middlefield, there are 22.3 snowfall days, and 4.96" (126mm) of snow is accumulated.Daylight
December has the shortest days of the year, 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 4:31 pm EST.
Sunshine
The average sunshine in December is 4.7h.UV index
January through March, November 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 the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Middlefield, CT
- Average high temperature in December: 39.7°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 (34°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Middlefield, CT
- Average pressure in December: 30.05"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
Middlefield, CT
- Average wind speed in December: 8mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Middlefield, CT
- Average humidity in December: 77%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Middlefield, CT
- Average rainfall in December: 1.26"
The wettest months (with the highest rainfall) are July and December (1.26").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Middlefield, CT
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Middlefield, CT
- Average snowfall in December: 0.91"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Middlefield, CT
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is February (6.3 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
Middlefield, 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 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Middlefield, CT
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (15.3 days).
Average UV index in December
Middlefield, 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
Middlefield, CT
- Average cloud cover in December: 49
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Middlefield, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June and July (5mi).
