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 implies a gentle temperature shift, with average high-temperatures reducing from November's cold 37.9°F (3.3°C) to a freezing cold 26.6°F (-3°C). Nighttime temperatures in December average to a still subzero cold 15.4°F (-9.2°C).Humidity
In December, the average relative humidity in The Glen is 88%.Rainfall
In December, in The Glen, the rain falls for 8.5 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 154.3 rainfall days, and 30.87" (784mm) of precipitation is accumulated.Snowfall
Months with snowfall in The Glen are January through May, October through December. In The Glen, during December, snow falls for 20.5 days and regularly aggregates up to 10.16" (258mm) of snow. Throughout the year, in The Glen, New Hampshire, there are 107.4 snowfall days, and 63.86" (1622mm) of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December in The Glen, sunrise is at 7:04 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:13 pm EST.
Sunshine
In December, the average sunshine is 2.6h.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index in The Glen. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 1 during December translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is it in The Glen in December?
What is the average humidity in December in The Glen?
How many days does it rain in December in The Glen?
How many days does it snow in December in The Glen?
What is the month with the shortest days in The Glen?
How many hours of daylight does The Glen have in December?
What time are sunrise and sunset in December in The Glen?
How many hours of sunshine does The Glen have in December?
What are the months with the lowest UV index in The Glen?
What is the UV index intensity in December in The Glen?
Average temperature in December
The Glen, 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
The Glen, 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
The Glen, 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
The Glen, 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
The Glen, 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
The Glen, 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
The Glen, 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
The Glen, 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
The Glen, NH
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- 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
The Glen, 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
The Glen, 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
The Glen, 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
The Glen, 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).
The Glen, New Hampshire, USA
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