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
December in Bretton Woods brings a decrease in the average high-temperature, shifting from a wintry 38.3°F (3.5°C) in November to a subzero cold 27.1°F (-2.7°C). Nighttime temperatures consistently average a still freezing cold 17.1°F (-8.3°C) during December.Humidity
The average relative humidity in December in Bretton Woods, New Hampshire, is 86%.Rainfall
In Bretton Woods, in December, during 8 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 152.5 rainfall days, and 34.72" (882mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Bretton Woods. In Bretton Woods, in December, snow falls for 21 days, with typically accumulated 13.5" (343mm) of snow. Throughout the year, there are 120.8 snowfall days, and 97.17" (2468mm) 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 December in Bretton Woods, sunrise is at 7:01 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:16 pm EST.
Sunshine
The average sunshine in December is 3.1h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Bretton Woods. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
How cold is December in Bretton Woods?
What is the average humidity in December in Bretton Woods?
How many days does it rain in December in Bretton Woods?
How much does it snow in Bretton Woods in December?
What is the month with the shortest days in Bretton Woods?
How many hours of daylight does Bretton Woods have in December?
When are sunrise and sunset in December in Bretton Woods?
How long on average sun shines in December in Bretton Woods?
When is the lowest UV index in Bretton Woods?
How high is the UV index in December in Bretton Woods?
Average temperature in December
Bretton Woods, NH
- Average high temperature in December: 27.1°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in December: 17.1°F
The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in December
Bretton Woods, 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
Bretton Woods, NH
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Bretton Woods, NH
- Average humidity in December: 86%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Bretton Woods, NH
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Bretton Woods, NH
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
Bretton Woods, NH
- Average snowfall in December: 13.5"
The month with the highest snowfall is February (17.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bretton Woods, NH
- Average snowfall days in December: 21 days
The month with the highest number of snowfall days is January (22.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bretton Woods, NH
- 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: 3h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Bretton Woods, NH
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (5.8 days).
Average UV index in December
Bretton Woods, NH
- 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
Bretton Woods, NH
- Average cloud cover in December: 71
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in December
Bretton Woods, NH
- Average visibility in December: 4mi
The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).
Bretton Woods, New Hampshire, USA
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