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
A shift in West Chesterfield's weather is observed as November turns into December, with the average high temperature reducing from a frosty 44.4°F (6.9°C) to a wintry 33.4°F (0.8°C). In West Chesterfield, the nighttime temperature averages to a subzero cold 22.6°F (-5.2°C) during December.Humidity
In December, the average relative humidity in West Chesterfield is 82%.Rainfall
In December, the rain falls for 6.6 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In West Chesterfield, New Hampshire, during the entire year, the rain falls for 91.5 days and collects up to 7.8" (198mm) of precipitation.Snowfall
Months with snowfall in West Chesterfield are January through April, October through December. In West Chesterfield, in December, during 4.8 snowfall days, 1.3" (33mm) of snow is typically accumulated. Throughout the year, there are 28.8 snowfall days, and 7.17" (182mm) of snow is accumulated.Daylight
The month with the shortest days in West Chesterfield is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:16 pm. On the last day of December, in West Chesterfield, sunrise is at 7:20 am and sunset at 4:25 pm EST.
Sunshine
In December, the average sunshine is 4.9h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Around midday, solar radiation is most harmful; hence, exposure should be limited. Experience reduced UV exposure by about half when donning a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in West Chesterfield in December?
What is the average humidity in December in West Chesterfield?
How much does it rain in West Chesterfield in December?
How much does it snow in West Chesterfield in December?
What is the month with the shortest days in West Chesterfield?
What is the average length of the day in December in West Chesterfield?
When are sunrise and sunset in December in West Chesterfield?
How long on average sun shines in December in West Chesterfield?
When is the lowest UV index in West Chesterfield?
What is the UV index reading in December in West Chesterfield?
Average temperature in December
West Chesterfield, NH
- Average high temperature in December: 33.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 22.6°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
West Chesterfield, NH
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
West Chesterfield, NH
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
West Chesterfield, NH
- Average humidity in December: 82%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
West Chesterfield, NH
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is November (0.87").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in December
West Chesterfield, NH
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (10 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in December
West Chesterfield, NH
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
West Chesterfield, NH
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Chesterfield, NH
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
West Chesterfield, NH
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in December
West Chesterfield, NH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
West Chesterfield, NH
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
West Chesterfield, NH
- Average visibility in December: 6mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
West Chesterfield, New Hampshire, USA
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