December weather forecastNew Durham, NH
December
Weather in December
The first month of the winter, December, is also an icy month in New Durham, New Hampshire, with temperature in the range of an average low of 23°F (-5°C) and an average high of 33.8°F (1°C).Temperature
The move into December indicates a reduction in the average high-temperature, down from November's chilly 45°F (7.2°C) to a cold 33.8°F (1°C). New Durham records a steady low-temperature average of 23°F (-5°C) during December.Humidity
The average relative humidity in December in New Durham is 81%.Rainfall
In New Durham, in December, it is raining for 8.5 days, with typically 2.95" (75mm) of accumulated precipitation. In New Durham, during the entire year, the rain falls for 138.3 days and collects up to 28.86" (733mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 8.7 days. Throughout December, 6.61" (168mm) of snow is accumulated. Throughout the year, there are 45.3 snowfall days, and 30.63" (778mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:18 pm EST.
Sunshine
The average sunshine in December in New Durham is 4.6h.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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
New Durham, NH
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 23°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
New Durham, 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
New Durham, NH
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in December
New Durham, 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 (76%).
Average rainfall in December
New Durham, NH
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
New Durham, NH
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
New Durham, NH
- Average snowfall in December: 6.61"
The month with the highest snowfall is February (6.97").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
New Durham, NH
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
New Durham, NH
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
New Durham, NH
- Average sunshine days in December: 16.2 days
The months with the most sunshine days are September and November (16.9 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in December
New Durham, NH
- Average UV index in December: 2
The month with the highest UV index is 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
New Durham, NH
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
New Durham, NH
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





