December weather forecastBarnstead, NH
December
Weather in December
December, the first month of the winter in Barnstead, is also a wintry month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 33.8°F (1°C).Temperature
December's arrival correlates with a reduction in the average high-temperature, down from a chilly 45°F (7.2°C) in November to an icy 33.8°F (1°C). During December, Barnstead observes a consistent average nighttime temperature of 23.4°F (-4.8°C).Humidity
The average relative humidity in December is 81%.Rainfall
In Barnstead, in December, it is raining for 8.7 days, with typically 2.95" (75mm) of accumulated precipitation. In Barnstead, during the entire year, the rain falls for 139.2 days and collects up to 28.94" (735mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Barnstead, in December, snow falls for 8.7 days, with typically accumulated 6.42" (163mm) of snow. Throughout the year, there are 46.5 snowfall days, and 32.6" (828mm) of snow is accumulated.Daylight
December has the shortest days of the year in Barnstead, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 4:10 pm. On the last day of December, in Barnstead, sunrise is at 7:17 am and sunset at 4:19 pm EST.
Sunshine
In Barnstead, the average sunshine in December is 4.7h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December leads to these advisories:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Barnstead, NH
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Barnstead, NH
- 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
Barnstead, NH
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Barnstead, NH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Barnstead, NH
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Barnstead, NH
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in December
Barnstead, NH
- Average snowfall in December: 6.42"
The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Barnstead, NH
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Barnstead, NH
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Barnstead, NH
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is March (13.1 days).
Average UV index in December
Barnstead, NH
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Barnstead, NH
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Barnstead, NH
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





