December weather forecastWindsor Locks, CT
December
Weather in December
The first month of the winter, December, is also a wintry month in Windsor Locks, Connecticut, with an average temperature varying between 26.6°F (-3°C) and 37.6°F (3.1°C).Temperature
As December commences, the average high-temperature shows a reduction, transitioning from a chilly 48.2°F (9°C) in November to an icy 37.6°F (3.1°C). Windsor Locks witnesses an average low-temperature of 26.6°F (-3°C) throughout the month of December.Humidity
The average relative humidity in December in Windsor Locks is 79%.Rainfall
In December, in Windsor Locks, the rain falls for 8.3 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 113.2 rainfall days, and 10.91" (277mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Windsor Locks, in December, during 4 snowfall days, 1.02" (26mm) of snow is typically accumulated. Throughout the year, in Windsor Locks, there are 23.9 snowfall days, and 5.63" (143mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:59 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:29 pm EST.
Sunshine
In December, the average sunshine in Windsor Locks is 4.8h.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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Windsor Locks, CT
- Average high temperature in December: 37.6°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 (31.8°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Windsor Locks, 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
Windsor Locks, CT
- Average wind speed in December: 7.7mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Windsor Locks, CT
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Windsor Locks, CT
- Average rainfall in December: 0.94"
The wettest months (with the highest rainfall) are July and October (1.14").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
Windsor Locks, CT
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Windsor Locks, CT
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Windsor Locks, CT
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Windsor Locks, 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 48min
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
Windsor Locks, CT
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is April (16.1 days).
Average UV index in December
Windsor Locks, 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
Windsor Locks, CT
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Windsor Locks, 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).
