December weather forecastGlencliff, NH
December
Weather in December
December, the first month of the winter in Glencliff, is still a freezing cold month, with an average temperature ranging between min 18.1°F (-7.7°C) and max 27.5°F (-2.5°C).Temperature
As December arrives, Glencliff's weather displays a decrease in high-temperatures, transitioning from November's cold 39.2°F (4°C) to a freezing cold 27.5°F (-2.5°C). An average nighttime temperature of 18.1°F (-7.7°C) is recorded during December.Humidity
The average relative humidity in December is 86%.Rainfall
In Glencliff, in December, it is raining for 8.3 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, there are 126 rainfall days, and 13.66" (347mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Glencliff, in December, snow falls for 17.1 days, with typically accumulated 2.95" (75mm) of snow. In Glencliff, 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.On the first day of the month, sunrise is at 7:02 am and sunset at 4:10 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:19 pm EST.
Sunshine
In December, the average sunshine in Glencliff is 3.2h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 12min
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).
