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
The onset of December is marked by a decrease in temperature, transitioning from a wintry 39.2°F (4°C) in November to a subzero cold 27.7°F (-2.4°C). In December, Irasburg records an average nighttime temperature of 17.6°F (-8°C).Humidity
In Irasburg, the average relative humidity in December is 88%.Rainfall
In Irasburg, in December, it is raining for 9.7 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 163.6 rainfall days, and 31.65" (804mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 20.5 days. Throughout December, 9.57" (243mm) of snow is accumulated. In Irasburg, during the entire year, snow falls for 108.8 days and aggregates up to 62.32" (1583mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:18 pm EST.
Sunshine
In December, the average sunshine is 2.9h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Irasburg have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Irasburg, VT
- Average high temperature in December: 27.7°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in December: 17.6°F
The month with the highest average low temperature is July (54.9°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in December
Irasburg, VT
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Irasburg, VT
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Irasburg, VT
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Irasburg, VT
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (2.24").
Average rainfall days in December
Irasburg, VT
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is June (19.1 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Irasburg, VT
- Average snowfall in December: 9.57"
The month with the highest snowfall is February (14.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Irasburg, VT
- Average snowfall days in December: 20.5 days
The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Irasburg, 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: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 12min).
Average sunshine days in December
Irasburg, VT
- Average sunshine days in December: 7.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (4.7 days).
Average UV index in December
Irasburg, VT
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Irasburg, VT
- Average cloud cover in December: 73
The month with the most cloud cover is February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Irasburg, VT
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Irasburg, Vermont, USA
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