December weather forecastWethersfield, CT
December
Weather in December
December in Wethersfield, Connecticut closes the year with a substantial drop in average temperatures, settling between 28.4°F (-2°C) to 39°F (3.9°C). Indicating the full onset of winter, the month sees a reprise of snowfall totals to around 2.83" (72mm). Mornings are frosty, daylight is scarce, and outdoor activities are lessened due to the low temperatures and snowfall. Though it’s a chilly, snow-clad month, it is also a season of celebrations, with the weather adding a festive touch to the holiday season. The extremely cold weather continues into January, marking the beginning of a new year under the wintery spell.Temperature
The shift from November to December in Wethersfield, Connecticut, involves a decrease in the average high-temperature, dropping from a frosty 48.9°F (9.4°C) to a wintry 39°F (3.9°C). An average temperature of 28.4°F (-2°C) is recorded during the nights in December.Humidity
In Wethersfield, the average relative humidity in December is 77%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.3 days and typically aggregates up to 3.19" (81mm) of precipitation.Snowfall
Months with snowfall in Wethersfield are January through May, November and December. In December, it is snowing for 5.3 days. Throughout December, 2.83" (72mm) of snow is accumulated. In Wethersfield, during the entire year, snow falls for 29.1 days and aggregates up to 15.63" (397mm) 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 6:58 am and sunset at 4:21 pm. On the last day of December, in Wethersfield, Connecticut, sunrise is at 7:17 am and sunset at 4:30 pm EST.
Sunshine
The average sunshine in December in Wethersfield is 4.8h.UV index
December is the month with the lowest UV index in Wethersfield, Connecticut, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 1 in December translates into these instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wethersfield, CT
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Wethersfield, 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
Wethersfield, CT
- Average wind speed in December: 7.8mph
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 (5.3mph).
Average humidity in December
Wethersfield, 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 (70%).
Average rainfall in December
Wethersfield, CT
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Wethersfield, CT
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in December
Wethersfield, CT
- Average snowfall in December: 2.83"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Wethersfield, CT
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wethersfield, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Wethersfield, CT
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in December
Wethersfield, CT
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Wethersfield, CT
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Wethersfield, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).
