December weather forecastPeterborough, NH
December
Weather in December
The first month of the winter, December, is still a cold month in Peterborough, New Hampshire, with an average temperature varying between 33.6°F (0.9°C) and 23°F (-5°C).Temperature
Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 44.8°F (7.1°C) in November to a wintry 33.6°F (0.9°C). Peterborough's nights in December experience an average temperature drop to a subzero cold 23°F (-5°C).Humidity
The average relative humidity in December is 81%.Rainfall
In December, in Peterborough, the rain falls for 7.5 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Peterborough, during the entire year, the rain falls for 113.8 days and collects up to 12.44" (316mm) of precipitation.Snowfall
Months with snowfall in Peterborough are January through May, October through December. In December, it is snowing for 7.5 days. Throughout December, 3.03" (77mm) of snow is accumulated. Throughout the year, in Peterborough, there are 45.3 snowfall days, and 18.78" (477mm) of snow is accumulated.Daylight
December has the shortest days of the year, 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, in Peterborough, sunrise is at 7:18 am and sunset at 4:23 pm EST.
Sunshine
In Peterborough, the average sunshine in December is 4.6h.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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Around midday, solar radiation is most harmful; hence, exposure should be limited. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider carefully! The reflective quality of snow 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
Peterborough, NH
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (79.3°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 (60.3°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in December
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
Peterborough, NH
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Peterborough, NH
- Average humidity in December: 81%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Peterborough, NH
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Peterborough, NH
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in December
Peterborough, NH
- Average snowfall in December: 3.03"
The month with the highest snowfall is November (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Peterborough, NH
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Peterborough, NH
- Average daylight in December: 9h and 6min
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 36min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Peterborough, NH
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in December
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
Peterborough, NH
- Average cloud cover in December: 51
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Peterborough, 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).
