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 minor decrease, with the average high-temperature reducing from a frosty 47.1°F (8.4°C) in November to an icy 36.5°F (2.5°C). The low-temperature averages to a freezing cold 26.2°F (-3.2°C) during the nights of December.Humidity
The average relative humidity in December is 79%.Rainfall
The month with the most rainfall is December, when the rain falls for 9.5 days and typically aggregates up to 2.99" (76mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Lee, during December, snow falls for 6.4 days and regularly aggregates up to 5.59" (142mm) of snow. In Lee, during the entire year, snow falls for 37 days and aggregates up to 24.88" (632mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 6:56 am and sunset at 4:10 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:19 pm EST.
Sunshine
In Lee, the average sunshine in December is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lee. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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?
What is the rainiest month in Lee?
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?
What time are sunrise and sunset in December?
How many hours of sunshine does Lee have in December?
When is the lowest UV index in Lee?
What is the UV index reading in December?
Average temperature in December
Lee, NH
- Average high temperature in December: 36.5°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 (31.3°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Lee, 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
Lee, NH
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Lee, NH
- Average humidity in December: 79%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Lee, NH
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Lee, NH
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in December
Lee, NH
- Average snowfall in December: 5.59"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lee, NH
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lee, NH
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 4h and 4min
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
Lee, NH
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in December
Lee, 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
Lee, NH
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Lee, NH
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, October, November and December (6mi).
The months with the lowest visibility are February, May, July, August and September (5mi).
Lee, New Hampshire, USA
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