December weather forecastCobleskill, NY
December
Weather in December
The first month of the winter, December, is also a wintry month in Cobleskill, New York, with an average temperature varying between 22.8°F (-5.1°C) and 32.9°F (0.5°C).Temperature
Cobleskill observes a minor decrease in the average high-temperature with the arrival of December, falling from November's chilly 43.2°F (6.2°C) to a cold 32.9°F (0.5°C). Nighttime temperatures hover around an average low of 22.8°F (-5.1°C) in December.Humidity
The average relative humidity in December is 85%.Rainfall
In December, in Cobleskill, New York, the rain falls for 11.4 days. Throughout December, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 165.5 rainfall days, and 32.83" (834mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 15.5 days. Throughout December, 8.66" (220mm) of snow is accumulated. Throughout the year, there are 81.8 snowfall days, and 42.09" (1069mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:34 pm EST.
Sunshine
In Cobleskill, the average sunshine in December is 3.4h.UV index
February, November 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 threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Boost your sun resistance with garments that are densely woven yet spacious. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cobleskill, NY
- Average high temperature in December: 32.9°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 (26.8°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Cobleskill, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Cobleskill, NY
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Cobleskill, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
Cobleskill, NY
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Cobleskill, NY
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Cobleskill, NY
- Average snowfall in December: 8.66"
The month with the highest snowfall is February (9.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cobleskill, NY
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cobleskill, NY
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in December
Cobleskill, NY
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.1 days).
Average UV index in December
Cobleskill, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in December
Cobleskill, NY
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Cobleskill, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).





