December weather forecastMilton, CT
December
Weather in December
December, the first month of the winter in Milton, is still a cold month, with an average temperature ranging between min 25.7°F (-3.5°C) and max 36.7°F (2.6°C).Temperature
Onset of December witnesses a reduction in the average high-temperature, falling from a frosty 46.6°F (8.1°C) in November to a wintry 36.7°F (2.6°C). The temperature dips to an average of 25.7°F (-3.5°C) during December nights.Humidity
In Milton, Connecticut, the average relative humidity in December is 81%.Rainfall
In Milton, during December, the rain falls for 10.5 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, there are 162.1 rainfall days, and 34.72" (882mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Milton, during December, snow falls for 7.6 days and regularly aggregates up to 4.61" (117mm) of snow. Throughout the year, in Milton, there are 42.4 snowfall days, and 25.59" (650mm) 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 December in Milton, sunrise is at 7:01 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:32 pm EST.
Sunshine
In Milton, Connecticut, the average sunshine in December is 4.5h.UV index
The months with the lowest UV index in Milton are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Milton, CT
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Milton, 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
Milton, CT
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Milton, CT
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Milton, CT
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in December
Milton, CT
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Milton, CT
- Average snowfall in December: 4.61"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Milton, CT
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Milton, CT
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Milton, CT
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is January (17.8 days).
The months with the least sunshine days are May and June (9.8 days).
Average UV index in December
Milton, CT
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Milton, CT
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Milton, CT
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





