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
December's onset corresponds with a shift in the average high-temperature, moving from a chilly 43.7°F (6.5°C) in November to a cold 32.4°F (0.2°C). During December, Belmont experiences a consistent low-temperature average of 21.7°F (-5.7°C).Humidity
In Belmont, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 8.7 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. In Belmont, during the entire year, the rain falls for 132.1 days and collects up to 29.25" (743mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 9.9 days. Throughout December, 6.93" (176mm) of snow is accumulated. In Belmont, during the entire year, snow falls for 56.1 days and aggregates up to 40.39" (1026mm) of snow.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 6:59 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:19 pm EST.
Sunshine
In Belmont, the average sunshine in December is 4.4h.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of 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 many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Belmont have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Belmont have in December?
How high is the UV index in December?
Average temperature in December
Belmont, NH
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 21.7°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Belmont, 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 (29.91"Hg).
Average wind speed in December
Belmont, NH
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is January (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Belmont, NH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Belmont, NH
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Belmont, NH
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is April (14.4 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Belmont, NH
- Average snowfall in December: 6.93"
The month with the highest snowfall is February (10.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Belmont, NH
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is February (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Belmont, 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 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Belmont, NH
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is March (12.8 days).
Average UV index in December
Belmont, NH
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Belmont, NH
- Average cloud cover in December: 52
The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Belmont, NH
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Belmont, New Hampshire, USA
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