December weather forecastErrol, NH
December
Weather in December
Wrapping up the year, December in Errol arrives with its signature winter chill. The city experiences its maximum snowfall of 10.63" (270mm) in this month. Enjoy the white blanket of snow adorning the cityscape. Fall in daylight and sunshine hours contributes to the general cold spell. So concludes a year in Errol, characterized by its distinct, vibrant seasons.Temperature
Errol in December experiences a subtle temperature decline, with average high-temperatures reducing from a cold 37.4°F (3°C) in November to a subzero cold 26.4°F (-3.1°C). Throughout the nights in December, Errol experiences an average low-temperature of 16°F (-8.9°C).Humidity
In Errol, the average relative humidity in December is 86%.Rainfall
In Errol, in December, during 11.5 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Errol, during the entire year, the rain falls for 163.8 days and collects up to 29.69" (754mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Errol, in December, snow falls for 20.4 days, with typically accumulated 10.63" (270mm) of snow. Throughout the year, there are 115.1 snowfall days, and 67.48" (1714mm) of snow is accumulated.Daylight
December has the shortest days of the year in Errol, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:05 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:13 pm EST.
Sunshine
In December, the average sunshine is 3.3h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 suggests these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Errol, NH
- Average high temperature in December: 26.4°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 (21.2°F).
- Average low temperature in December: 16°F
The month with the highest average low temperature is July (53.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in December
Errol, NH
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Errol, NH
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are February, March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Errol, NH
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Errol, NH
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is February (2.17").
Average rainfall days in December
Errol, NH
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (7 days).
Average snowfall in December
Errol, NH
- Average snowfall in December: 10.63"
The month with the highest snowfall is February (13.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Errol, NH
- Average snowfall days in December: 20.4 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Errol, NH
- Average daylight in December: 8h and 54min
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 18min
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 54min).
Average sunshine days in December
Errol, NH
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (4.9 days).
Average UV index in December
Errol, 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 February and December (UV index 1).
Average cloud cover in December
Errol, NH
- Average cloud cover in December: 68
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 44).
Average visibility in December
Errol, NH
- Average visibility in December: 4mi
The months with the highest visibility are May and June (5mi).
The months with the lowest visibility are January, February, March, April, July, August, September, October, November and December (4mi).





