December weather forecastNorthwood, NH
December
Weather in December
The first month of the winter, December, is still a cold month in Northwood, New Hampshire, with an average temperature varying between 34.7°F (1.5°C) and 24.1°F (-4.4°C).Temperature
December's arrival coincides with a drop in the average high-temperature, decreasing from November's chilly 45.5°F (7.5°C) to a cold 34.7°F (1.5°C). In the month of December, the temperature generally rests at an average low of 24.1°F (-4.4°C).Humidity
In Northwood, the average relative humidity in December is 80%.Rainfall
In Northwood, in December, during 10.2 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Northwood, New Hampshire, during the entire year, the rain falls for 146.3 days and collects up to 29.92" (760mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Northwood, in December, during 8 snowfall days, 6.54" (166mm) of snow is typically accumulated. Throughout the year, there are 44.9 snowfall days, and 32.95" (837mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 6:57 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:19 pm EST.
Sunshine
The average sunshine in December in Northwood is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Northwood, NH
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in December
Northwood, 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 (29.92"Hg).
Average wind speed in December
Northwood, NH
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Northwood, NH
- Average humidity in December: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Northwood, NH
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Northwood, NH
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Northwood, NH
- Average snowfall in December: 6.54"
The month with the highest snowfall is February (8.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Northwood, NH
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Northwood, NH
- Average daylight in December: 9h and 0min
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 0min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Northwood, NH
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is June (13 days).
Average UV index in December
Northwood, NH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Northwood, NH
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Northwood, NH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





