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
With the onset of December, Worcester's average high-temperature adjusts, receding from November's icy 39.4°F (4.1°C) to a subzero cold 27.9°F (-2.3°C). During the nights in December, the temperature averages to a still freezing cold 18.3°F (-7.6°C).Humidity
In December, the average relative humidity is 87%.Rainfall
In Worcester, in December, during 4.7 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Worcester, during the entire year, the rain falls for 72.5 days and collects up to 5.75" (146mm) of precipitation.Snowfall
Months with snowfall in Worcester, Vermont, are January through May, October through December. In Worcester, Vermont, in December, snow falls for 10.9 days, with typically accumulated 1.34" (34mm) of snow. Throughout the year, in Worcester, there are 64.9 snowfall days, and 9.06" (230mm) 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 7:06 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:20 pm EST.
Sunshine
In Worcester, the average sunshine in December is 2.8h.UV index
The months with the lowest UV index in Worcester are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Worcester in December?
What is the average humidity in December in Worcester?
How many days does it rain in December in Worcester?
How many days does it snow in December in Worcester?
What is the month with the shortest days in Worcester?
What is the average length of the day in December in Worcester?
What time are sunrise and sunset in December in Worcester?
How long on average sun shines in December in Worcester?
When is the lowest UV index in Worcester?
How high is the UV index in December in Worcester?
Average temperature in December
Worcester, VT
- Average high temperature in December: 27.9°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in December: 18.3°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Worcester, 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
Worcester, VT
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Worcester, VT
- Average humidity in December: 87%
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
Worcester, VT
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is October (0.63").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in December
Worcester, VT
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is July (9.3 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Worcester, VT
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Worcester, VT
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Worcester, 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 months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).
Average sunshine days in December
Worcester, VT
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in December
Worcester, 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, November and December (UV index 1).
Average cloud cover in December
Worcester, VT
- Average cloud cover in December: 73
The months with the most cloud cover are January and February (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Worcester, VT
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
Worcester, Vermont, USA
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