December weather forecastCenter Harbor, NH
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Center Harbor, New Hampshire, with an average temperature fluctuating between 20.8°F (-6.2°C) and 31.1°F (-0.5°C).Temperature
The average high-temperature drops in December, from November's icy 42.6°F (5.9°C) to a subzero cold 31.1°F (-0.5°C). December's average low-temperature reading in Center Harbor settles at 20.8°F (-6.2°C).Humidity
In Center Harbor, the average relative humidity in December is 82%.Rainfall
In Center Harbor, New Hampshire, during December, the rain falls for 11.2 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Center Harbor, during the entire year, the rain falls for 157.7 days and collects up to 28.58" (726mm) of precipitation.Snowfall
Months with snowfall in Center Harbor, New Hampshire, are January through May, October through December. In Center Harbor, in December, during 12.2 snowfall days, 6.69" (170mm) of snow is typically accumulated. Throughout the year, in Center Harbor, there are 65.8 snowfall days, and 37.28" (947mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:10 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:19 pm EST.
Sunshine
In Center Harbor, the average sunshine in December is 4.4h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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
Center Harbor, NH
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Center Harbor, NH
- Average pressure in December: 30.03"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
Center Harbor, NH
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Center Harbor, NH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Center Harbor, NH
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Center Harbor, NH
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in December
Center Harbor, NH
- Average snowfall in December: 6.69"
The month with the highest snowfall is February (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Center Harbor, NH
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Center Harbor, 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 24min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Center Harbor, NH
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in December
Center Harbor, NH
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Center Harbor, NH
- Average cloud cover in December: 53
The months with the most cloud cover are February and March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Center Harbor, 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).
