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
Westfield observes a minor decrease in the average high-temperature with the arrival of December, falling from November's cold 38.7°F (3.7°C) to a freezing cold 27.5°F (-2.5°C). During December, Westfield observes a consistent average nighttime temperature of 17.4°F (-8.1°C).Humidity
In December, the average relative humidity is 88%.Rainfall
In Westfield, in December, it is raining for 8.2 days, with typically 2.68" (68mm) of accumulated precipitation. In Westfield, during the entire year, the rain falls for 156.3 days and collects up to 32.64" (829mm) of precipitation.Snowfall
Months with snowfall in Westfield, Vermont, are January through May, October through December. In December, it is snowing for 20.1 days. Throughout December, 10.39" (264mm) of snow is accumulated. Throughout the year, there are 103.3 snowfall days, and 62.6" (1590mm) of snow is accumulated.Daylight
December has the shortest days of the year in Westfield, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:09 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:18 pm EST.
Sunshine
In Westfield, Vermont, the average sunshine in December is 2.7h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Westfield?
What is the average humidity in December in Westfield?
How many days does it rain in December in Westfield?
How many days does it snow in December in Westfield?
What is the month with the shortest days in Westfield?
What is the average length of the day in December in Westfield?
When are sunrise and sunset in December in Westfield?
How long on average sun shines in December in Westfield?
When is the lowest UV index in Westfield?
What is the UV index intensity in December in Westfield?
Average temperature in December
Westfield, VT
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in December: 17.4°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in December
Westfield, 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
Westfield, 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
Westfield, VT
- Average humidity in December: 88%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Westfield, VT
- Average rainfall in December: 2.68"
The wettest months (with the highest rainfall) are May and June (3.23").
The driest month (with the least rainfall) is February (2.13").
Average rainfall days in December
Westfield, VT
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Westfield, VT
- Average snowfall in December: 10.39"
The month with the highest snowfall is February (13.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Westfield, VT
- Average snowfall days in December: 20.1 days
The month with the highest number of snowfall days is February (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Westfield, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 0min).
Average sunshine days in December
Westfield, VT
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (6.2 days).
Average UV index in December
Westfield, 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
Westfield, VT
- Average cloud cover in December: 75
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
Westfield, 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).
Westfield, Vermont, USA
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