December weather forecastCanaan, NH
December
Weather in December
December, the first month of the winter in Canaan, is also a subzero cold month, with an average temperature varying between 30.4°F (-0.9°C) and 20.5°F (-6.4°C).Temperature
December indicates a shift in the average high-temperature, from November's icy 41.9°F (5.5°C) to a subzero cold 30.4°F (-0.9°C). Throughout the month of December, Canaan reports a steady low-temperature average of 20.5°F (-6.4°C).Humidity
The average relative humidity in December is 83%.Rainfall
In Canaan, New Hampshire, in December, during 11.5 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 154.8 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 13.7 days. Throughout December, 7.48" (190mm) of snow is accumulated. Throughout the year, there are 74.7 snowfall days, and 43.78" (1112mm) of snow is accumulated.Daylight
December has the shortest days of the year in Canaan, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:12 pm. On the last day of December, in Canaan, sunrise is at 7:21 am and sunset at 4:21 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents 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:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Canaan, NH
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in December: 20.5°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in December
Canaan, 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 (29.91"Hg).
Average wind speed in December
Canaan, NH
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January, March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Canaan, NH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Canaan, NH
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is October (3.27").
The driest months (with the least rainfall) are August and September (1.97").
Average rainfall days in December
Canaan, NH
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
Canaan, NH
- Average snowfall in December: 7.48"
The month with the highest snowfall is February (11.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Canaan, NH
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Canaan, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Canaan, NH
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in December
Canaan, NH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Canaan, NH
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Canaan, NH
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).





