December weather forecastMiddletown, CT
December
Weather in December
December marks the onset of winter in Middletown, Connecticut, with a definitive drop in temperature. The city gears up for the festive season with the likelihood of snowfall increasing towards the end of the month. The reduced sunray makes for shorter days, while the chill in the air heralds the coming of Christmas. The frequent cloudy skies coupled with the decrease in daylight hours create a distinct winter vibe. In December, temperatures struggle to reach a high of 39.7°F (4.3°C), while the lows, on an average, dip down to 29.1°F (-1.6°C).Temperature
The arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 49.3°F (9.6°C) to a wintry 39.7°F (4.3°C). During December, Middletown's temperature averages to a freezing cold 29.1°F (-1.6°C) at night.Humidity
In December, the average relative humidity in Middletown is 77%.Rainfall
December is the month with the most rainfall. Rain falls for 11.9 days and accumulates 3.66" (93mm) of precipitation.Snowfall
Months with snowfall in Middletown are January through May, November and December. In Middletown, in December, during 5.3 snowfall days, 2.28" (58mm) of snow is typically accumulated. In Middletown, during the entire year, snow falls for 29.4 days and aggregates up to 14.76" (375mm) 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 December in Middletown, Connecticut, sunrise is at 6:58 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 Middletown, 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 unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Middletown, 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 (22.1°F).
Average pressure in December
Middletown, 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
Middletown, 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
Middletown, 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
Middletown, CT
- 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 (1.89").
Average rainfall days in December
Middletown, CT
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Middletown, CT
- Average snowfall in December: 2.28"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Middletown, CT
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Middletown, 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
Middletown, CT
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Middletown, 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
Middletown, CT
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Middletown, 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).
