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 average high-temperature drops in December, from November's cold 42.6°F (5.9°C) to a subzero cold 31.1°F (-0.5°C). In December, the temperature drops to an average of 20.8°F (-6.2°C) at night.Humidity
In December, the average relative humidity is 82%.Rainfall
In Holderness, in December, during 11.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Holderness, during the entire year, the rain falls for 157.7 days and collects up to 28.58" (726mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Holderness, New Hampshire, in December, snow falls for 12.2 days, with typically accumulated 6.69" (170mm) of snow. Throughout the year, there are 65.8 snowfall days, and 37.28" (947mm) of snow is accumulated.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 7:00 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:19 pm EST.
Sunshine
In Holderness, the average sunshine in December is 4.4h.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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 2 turns into 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. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take precaution! The reflection from snow can almost double the UV radiation of 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?
How many days 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 in Holderness?
When is the sunrise / sunset in December?
How many hours of sunshine does Holderness have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Holderness, NH
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Holderness, 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 (29.91"Hg).
Average wind speed in December
Holderness, NH
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is January (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Holderness, NH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in December
Holderness, NH
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Holderness, NH
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in December
Holderness, NH
- Average snowfall in December: 6.69"
The month with the highest snowfall is February (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Holderness, NH
- Average snowfall days in December: 12.2 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Holderness, 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: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Holderness, NH
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in December
Holderness, NH
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Holderness, NH
- Average cloud cover in December: 53
The months with the most cloud cover are February and March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Holderness, 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).
Holderness, New Hampshire, USA
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