December weather forecastHighmount, NY
December
Weather in December
December, the first month of the winter in Highmount, is also an icy month, with an average temperature varying between 32°F (0°C) and 20.8°F (-6.2°C).Temperature
The average high-temperature decreases in December, shifting from a wintry 41.4°F (5.2°C) in November to a still cold 32°F (0°C). Highmount observes an average nighttime temperature of 20.8°F (-6.2°C) during December.Humidity
February and December, with an average relative humidity of 88%, are the most humid months.Rainfall
In December, the rain falls for 10.1 days. Throughout December, 3.74" (95mm) of precipitation is accumulated. Throughout the year, in Highmount, there are 169.5 rainfall days, and 44.17" (1122mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Highmount. The months with the most snowfall are February and December, with an average 17.32" (440mm) of accumulated snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December in Highmount, New York, sunrise is at 7:07 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:36 pm EST.
Sunshine
In Highmount, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 1 in December translates into these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Boost your sun resistance with garments that are densely woven yet spacious. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Highmount, NY
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in December
Highmount, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Highmount, NY
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Highmount, NY
- Average humidity in December: 88%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (80%).
Average rainfall in December
Highmount, NY
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is September (2.99").
Average rainfall days in December
Highmount, NY
- Average rainfall days in December: 10.1 days
The months with the highest number of rainy days are May and July (19.9 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Highmount, NY
- Average snowfall in December: 17.32"
The months with the highest snowfall are February and December (17.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Highmount, NY
- Average snowfall days in December: 21.5 days
The month with the highest number of snowfall days is January (22.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Highmount, NY
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in December
Highmount, NY
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (5.4 days).
Average UV index in December
Highmount, NY
- 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, March, November and December (UV index 1).
Average cloud cover in December
Highmount, NY
- Average cloud cover in December: 73
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in December
Highmount, NY
- Average visibility in December: 4mi
The month with the highest visibility is June (5mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (4mi).
