December weather forecastOxford, CT
December
Weather in December
The first month of the winter, December, is still a cold month in Oxford, Connecticut, with an average temperature varying between 39°F (3.9°C) and 28.4°F (-2°C).Temperature
December involves a decrease in temperature, down from a frosty 48.4°F (9.1°C) in November to an icy 39°F (3.9°C). During the month of December, Oxford anticipates a mean low-temperature of 28.4°F (-2°C).Humidity
The average relative humidity in December is 78%.Rainfall
The month with the most rainfall is December, when the rain falls for 4.7 days and typically aggregates up to 0.79" (20mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. The month with the most snowfall in Oxford is December, when snow falls for 3.5 days and typically aggregates up to 0.47" (12mm) of snow.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 6:59 am and sunset at 4:23 pm. On the last day of December, in Oxford, sunrise is at 7:18 am and sunset at 4:32 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 in Oxford. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oxford, CT
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Oxford, 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
Oxford, CT
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Oxford, CT
- Average humidity in December: 78%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Oxford, CT
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is December (0.79").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in December
Oxford, CT
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is July (10.4 days).
The month with the least rainy days is January (3 days).
Average snowfall in December
Oxford, CT
- Average snowfall in December: 0.47"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Oxford, CT
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oxford, 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 month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Oxford, CT
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (16.9 days).
Average UV index in December
Oxford, 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
Oxford, CT
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Oxford, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).





