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
The shift from November to December involves a decrease in the average high-temperature, from a cold 37.9°F (3.3°C) to a subzero cold 26.6°F (-3°C). December brings Colebrook a consistent average low-temperature of 15.4°F (-9.2°C).Humidity
The average relative humidity in December is 88%.Rainfall
In Colebrook, during December, the rain falls for 8.5 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Colebrook, during the entire year, the rain falls for 154.3 days and collects up to 30.87" (784mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Colebrook, during December, snow falls for 20.5 days and regularly aggregates up to 10.16" (258mm) of snow. In Colebrook, during the entire year, snow falls for 107.4 days and aggregates up to 63.86" (1622mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 4:06 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:14 pm EST.
Sunshine
In December, the average sunshine is 2.6h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 1 in December translates into these instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. 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
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in Colebrook in December?
What is the month with the shortest days?
How many hours of daylight does Colebrook have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Colebrook have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Colebrook, NH
- Average high temperature in December: 26.6°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is January (21°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (53.4°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in December
Colebrook, 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 (29.9"Hg).
Average wind speed in December
Colebrook, NH
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Colebrook, NH
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Colebrook, NH
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in December
Colebrook, NH
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Colebrook, NH
- Average snowfall in December: 10.16"
The month with the highest snowfall is January (12.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Colebrook, NH
- Average snowfall days in December: 20.5 days
The month with the highest number of snowfall days is February (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Colebrook, NH
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 6min).
Average sunshine days in December
Colebrook, NH
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (6.2 days).
Average UV index in December
Colebrook, NH
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Colebrook, NH
- Average cloud cover in December: 76
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in December
Colebrook, NH
- Average visibility in December: 4mi
The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).
Colebrook, New Hampshire, USA
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