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
December's arrival coincides with a drop in the average high-temperature, decreasing from November's icy 38.7°F (3.7°C) to a freezing cold 27.5°F (-2.5°C). An average low-temperature of 17.8°F (-7.9°C) is observed during the December nights.Humidity
In December, the average relative humidity is 86%.Rainfall
In December, in Newbury, the rain falls for 8 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. In Newbury, during the entire year, the rain falls for 121.7 days and collects up to 10.83" (275mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Newbury, during December, snow falls for 18.2 days and regularly aggregates up to 2.56" (65mm) of snow. Throughout the year, there are 106.5 snowfall days, and 21.34" (542mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:11 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:20 pm EST.
Sunshine
In Newbury, the average sunshine in December is 3.4h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Newbury, Vermont. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Newbury?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Newbury have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Newbury have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Newbury, VT
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in December: 17.8°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Newbury, VT
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Newbury, VT
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Newbury, VT
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Newbury, VT
- Average rainfall in December: 0.71"
The wettest months (with the highest rainfall) are June and July (1.18").
The driest months (with the least rainfall) are February and March (0.67").
Average rainfall days in December
Newbury, VT
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
Newbury, VT
- Average snowfall in December: 2.56"
The month with the highest snowfall is January (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Newbury, VT
- Average snowfall days in December: 18.2 days
The month with the highest number of snowfall days is January (20.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Newbury, VT
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
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 August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Newbury, VT
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in December
Newbury, VT
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Newbury, VT
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Newbury, VT
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October and December (4mi).
Newbury, Vermont, USA
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