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
Observing a mild shift, the average high-temperature during December reduces from November's frosty 44.8°F (7.1°C) to a cold 34°F (1.1°C). In West Peterborough, December is marked by an average low-temperature of 23°F (-5°C).Humidity
The average relative humidity in December is 82%.Rainfall
In West Peterborough, in December, it is raining for 9.6 days, with typically 3.15" (80mm) of accumulated precipitation. In West Peterborough, during the entire year, the rain falls for 147.8 days and collects up to 32.76" (832mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 9.7 days. Throughout December, 6.65" (169mm) of snow is accumulated. Throughout the year, there are 53.8 snowfall days, and 39.06" (992mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:14 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:23 pm EST.
Sunshine
The average sunshine in December is 4.3h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does West Peterborough have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does West Peterborough have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
West Peterborough, NH
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
West Peterborough, NH
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
West Peterborough, NH
- Average wind speed in December: 7.9mph
The windiest months (with the highest average wind speed) are January and February (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
West Peterborough, 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 Peterborough, NH
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
West Peterborough, NH
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
West Peterborough, NH
- Average snowfall in December: 6.65"
The month with the highest snowfall is February (9.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Peterborough, NH
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is February (12.2 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 Peterborough, 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 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
West Peterborough, NH
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is March (11.9 days).
Average UV index in December
West Peterborough, NH
- Average UV index in December: 2
The month with the highest UV index is July (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
West Peterborough, NH
- Average cloud cover in December: 53
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
West Peterborough, 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).
West Peterborough, New Hampshire, USA
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