December weather forecastSouth Burlington, VT
December
Weather in December
December delivers a full-on winter show in South Burlington, with temperatures sinking to yearly lows. The city shudders in the cold, with the mercury dropping from 20.3°F (-6.5°C) to 30.4°F (-0.9°C). Snowfall is a common sight in December, adorning the city in a blanket of white. The scarcity of daylight is noticeable; the city has approximately 8.9 hours of daylight. As the year winds down, South Burlington embraces the festive season amid a typical winter backdrop.Temperature
South Burlington experiences a temperature shift at the start of December, with average high-temperatures adjusting from a wintry 41.7°F (5.4°C) in November to a subzero cold 30.4°F (-0.9°C). An average low-temperature of 20.3°F (-6.5°C) is recorded during the nights in December.Humidity
In South Burlington, the average relative humidity in December is 83%.Rainfall
In South Burlington, during December, the rain falls for 10.5 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in South Burlington, there are 153.4 rainfall days, and 17.01" (432mm) of precipitation is accumulated.Snowfall
Months with snowfall in South Burlington are January through May, October through December. In South Burlington, in December, during 17.3 snowfall days, 3.43" (87mm) of snow is typically accumulated. In South Burlington, during the entire year, snow falls for 87.7 days and aggregates up to 22.64" (575mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:23 pm EST.
Sunshine
In South Burlington, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Enhance your sun protection with tightly woven, yet airy clothing. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
South Burlington, VT
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in December
South Burlington, VT
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
South Burlington, VT
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
South Burlington, VT
- Average humidity in December: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
South Burlington, VT
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (2.09").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
South Burlington, VT
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
South Burlington, VT
- Average snowfall in December: 3.43"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Burlington, VT
- Average snowfall days in December: 17.3 days
The months with the highest number of snowfall days are January and February (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Burlington, VT
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).
Average sunshine days in December
South Burlington, VT
- Average sunshine days in December: 9.3 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
South Burlington, VT
- Average UV index in December: 1
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 and December (UV index 1).
Average cloud cover in December
South Burlington, VT
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are July, August and September (Cloud cover 35).
Average visibility in December
South Burlington, VT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
