December weather forecastHawleyville, CT
December
Weather in December
The first month of the winter, December, is also a wintry month in Hawleyville, Connecticut, with an average temperature varying between 39.6°F (4.2°C) and 29.3°F (-1.5°C).Temperature
With December's onset, the weather shows a temperature decrease, transitioning from a chilly 48.7°F (9.3°C) in November to a cold 39.6°F (4.2°C). In Hawleyville, in December, the average low-temperature is a freezing cold 29.3°F (-1.5°C).Humidity
The average relative humidity in December is 78%.Rainfall
December is the month with the most rainfall. Rain falls for 12 days and accumulates 4.02" (102mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 5.8 days. Throughout December, 3.58" (91mm) of snow is accumulated. Throughout the year, there are 34.5 snowfall days, and 17.01" (432mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:33 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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Warning! The reflection from snow can nearly magnify 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
Hawleyville, CT
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Hawleyville, 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
Hawleyville, CT
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Hawleyville, 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 (72%).
Average rainfall in December
Hawleyville, CT
- Average rainfall in December: 4.02"
The wettest month (with the highest rainfall) is December (4.02").
The driest months (with the least rainfall) are January and September (2.4").
Average rainfall days in December
Hawleyville, CT
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Hawleyville, CT
- Average snowfall in December: 3.58"
The month with the highest snowfall is February (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hawleyville, CT
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hawleyville, 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
Hawleyville, CT
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in December
Hawleyville, 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
Hawleyville, CT
- Average cloud cover in December: 49
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Hawleyville, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).





