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 a cold 38.5°F (3.6°C) to a freezing cold 27°F (-2.8°C). Derby Line, in December, witnesses an average low-temperature of 16.9°F (-8.4°C).Humidity
In Derby Line, Vermont, the average relative humidity in December is 88%.Rainfall
In Derby Line, Vermont, in December, during 9.7 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Derby Line, Vermont, during the entire year, the rain falls for 166.1 days and collects up to 33.07" (840mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Derby Line, Vermont, during December, snow falls for 22.4 days and regularly aggregates up to 10.51" (267mm) of snow. Throughout the year, there are 115.7 snowfall days, and 66.57" (1691mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December in Derby Line, sunrise is at 7:07 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:16 pm EST.
Sunshine
The average sunshine in December is 2.7h.UV index
The months with the lowest UV index in Derby Line are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Derby Line in December?
What is the average humidity in December in Derby Line?
How many days does it rain in December in Derby Line?
How many days does it snow in December in Derby Line?
What is the month with the shortest days in Derby Line?
What is the average length of the day in December in Derby Line?
What time are sunrise and sunset in December in Derby Line?
How long on average sun shines in December in Derby Line?
What are the months with the lowest UV index in Derby Line?
What is the UV index intensity in December in Derby Line?
Average temperature in December
Derby Line, VT
- Average high temperature in December: 27°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in December: 16.9°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in December
Derby Line, 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
Derby Line, VT
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Derby Line, 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
Derby Line, VT
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (2.28").
Average rainfall days in December
Derby Line, VT
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in December
Derby Line, VT
- Average snowfall in December: 10.51"
The month with the highest snowfall is February (14.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Derby Line, VT
- Average snowfall days in December: 22.4 days
The month with the highest number of snowfall days is January (24 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Derby Line, VT
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 2h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 0min).
Average sunshine days in December
Derby Line, VT
- Average sunshine days in December: 5.6 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (4.3 days).
Average UV index in December
Derby Line, 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
Derby Line, VT
- Average cloud cover in December: 74
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in December
Derby Line, 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).
Derby Line, Vermont, USA
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