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
With December's onset, the weather shows a temperature decrease, transitioning from a wintry 39.2°F (4°C) in November to a freezing cold 27.5°F (-2.5°C). Glencliff's average low-temperature is measured at 18.1°F (-7.7°C) during December.Humidity
In December, the average relative humidity is 86%.Rainfall
In December, in Glencliff, the rain falls for 8.3 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. Throughout the year, in Glencliff, New Hampshire, there are 126 rainfall days, and 13.66" (347mm) of precipitation is accumulated.Snowfall
Months with snowfall in Glencliff, New Hampshire, are January through May, October through December. In Glencliff, New Hampshire, during December, snow falls for 17.1 days and regularly aggregates up to 2.95" (75mm) of snow. In Glencliff, New Hampshire, during the entire year, snow falls for 91.5 days and aggregates up to 21.85" (555mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Glencliff.On the first day of December in Glencliff, sunrise is at 7:02 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:19 pm EST.
Sunshine
In December, the average sunshine in Glencliff, New Hampshire, is 3.2h.UV index
The months with the lowest UV index in Glencliff are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 1 during December translates into the following guidance:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Glencliff in December?
What is the average humidity in December in Glencliff?
How much does it rain in Glencliff in December?
How many days does it snow in December in Glencliff?
What is the month with the shortest days in Glencliff?
What is the average length of the day in December in Glencliff?
What time are sunrise and sunset in December in Glencliff?
How many hours of sunshine does Glencliff have in December?
What are the months with the lowest UV index in Glencliff?
How high is the UV index in December in Glencliff?
Average temperature in December
Glencliff, NH
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (54.3°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in December
Glencliff, 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 (29.91"Hg).
Average wind speed in December
Glencliff, NH
- Average wind speed in December: 6.5mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Glencliff, NH
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Glencliff, NH
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is April (1.5").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in December
Glencliff, NH
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (15.5 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in December
Glencliff, NH
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Glencliff, NH
- Average snowfall days in December: 17.1 days
The month with the highest number of snowfall days is February (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glencliff, 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: 3h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in December
Glencliff, NH
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in December
Glencliff, NH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Glencliff, NH
- Average cloud cover in December: 69
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 44).
Average visibility in December
Glencliff, NH
- Average visibility in December: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Glencliff, New Hampshire, USA
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