Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a frosty 45.5°F (7.5°C) to an icy 34.3°F (1.3°C). An average low-temperature of 23.4°F (-4.8°C) is common during the nights of December.Humidity
In December, the average relative humidity is 80%.Rainfall
In December, the rain falls for 9 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 139.1 rainfall days, and 27.72" (704mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Concord, in December, during 7.9 snowfall days, 6.14" (156mm) of snow is typically accumulated. Throughout the year, there are 44.5 snowfall days, and 28.94" (735mm) 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 December in Concord, sunrise is at 6:58 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:20 pm EST.
Sunshine
In December, the average sunshine is 4.7h.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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: An average UV index of 2 in December transforms into this advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index in Concord?
What is the UV index intensity in December?
Average temperature in December
Concord, NH
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in December
Concord, 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 (29.92"Hg).
Average wind speed in December
Concord, NH
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Concord, NH
- Average humidity in December: 80%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Concord, NH
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Concord, NH
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Concord, NH
- Average snowfall in December: 6.14"
The month with the highest snowfall is February (7.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Concord, NH
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Concord, 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 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Concord, NH
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in December
Concord, NH
- Average UV index in December: 2
The months with the highest UV index are July and August (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
Concord, NH
- Average cloud cover in December: 48
The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Concord, 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).
Concord, New Hampshire, USA
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