Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from an icy 41.7°F (5.4°C) to a subzero cold 30.4°F (-0.9°C). In December, Winooski records an average nighttime temperature of 20.3°F (-6.5°C).Humidity
The average relative humidity in December in Winooski is 83%.Rainfall
In Winooski, Vermont, in December, during 10.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 153.4 rainfall days, and 17.01" (432mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Winooski, in December, snow falls for 17.3 days, with typically accumulated 3.43" (87mm) of snow. In Winooski, during the entire year, snow falls for 87.7 days and aggregates up to 22.64" (575mm) of snow.Daylight
The month with the shortest days in Winooski is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:14 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:23 pm EST.
Sunshine
In December, the average sunshine 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Winooski in December?
What is the average humidity in December in Winooski?
How much does it rain in Winooski in December?
How much does it snow in Winooski in December?
What is the month with the shortest days in Winooski?
What is the average length of the day in December in Winooski?
When is the sunrise / sunset in December in Winooski?
How many hours of sunshine does Winooski have in December?
What is the month with the lowest UV index in Winooski?
How high is the UV index in December in Winooski?
Average temperature in December
Winooski, 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
Winooski, 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
Winooski, 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
Winooski, 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
Winooski, 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
Winooski, 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
Winooski, 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
Winooski, 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
Winooski, VT
- Average daylight in December: 8h and 5min
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 2min
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
Winooski, 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
Winooski, 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
Winooski, 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
Winooski, 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).
Winooski, Vermont, USA
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