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 brings a decrease in the average high-temperature, shifting from a cold 42.1°F (5.6°C) in November to a subzero cold 30.6°F (-0.8°C). During December, the average low-temperature is a still freezing cold 20.8°F (-6.2°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 11.3 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. In West Lebanon, during the entire year, the rain falls for 161.9 days and collects up to 28.46" (723mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 12 days. Throughout December, 6.46" (164mm) of snow is accumulated. Throughout the year, there are 68.9 snowfall days, and 35.91" (912mm) of snow is accumulated.Daylight
The month with the shortest days in West Lebanon, New Hampshire, is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:22 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in West Lebanon. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is December in West Lebanon?
What is the average humidity in December in West Lebanon?
How much does it rain in West Lebanon in December?
How many days does it snow in December in West Lebanon?
What is the month with the shortest days in West Lebanon?
How many hours of daylight does West Lebanon have in December?
What time are sunrise and sunset in December in West Lebanon?
How many hours of sunshine does West Lebanon have in December?
What is the month with the lowest UV index in West Lebanon?
What is the UV index intensity in December in West Lebanon?
Average temperature in December
West Lebanon, NH
- Average high temperature in December: 30.6°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in December
West Lebanon, 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
West Lebanon, NH
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
West Lebanon, NH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
West Lebanon, NH
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
West Lebanon, NH
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in December
West Lebanon, NH
- Average snowfall in December: 6.46"
The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Lebanon, NH
- Average snowfall days in December: 12 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
West Lebanon, 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 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
West Lebanon, NH
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in December
West Lebanon, NH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
West Lebanon, 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
West Lebanon, 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).
West Lebanon, New Hampshire, USA
Weather forecast for your location
2. Allow the app to use your location
