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
The transition into December subtly indicates a reduction in the average high-temperature, down to a frosty 45.3°F (7.4°C) from November's fresh 52.9°F (11.6°C). Maintaining close parity with daytime warmth, the average nocturnal temperature during December stays at an icy 38.3°F (3.5°C).Humidity
In Cobb, the average relative humidity in December is 74%.Rainfall
The wettest months in Cobb are October and December, with an average 2.6" (66mm) of rainfall.Snowfall
Months with snowfall are January through March, May, November and December. In Cobb, New York, in December, during 2.5 snowfall days, 0.75" (19mm) of snow is typically accumulated. In Cobb, during the entire year, snow falls for 15.6 days and aggregates up to 5.16" (131mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 6:55 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:31 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 4.7h of sunshine.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December in Cobb?
What is the rainiest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Cobb have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Cobb have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Cobb, NY
- Average high temperature in December: 45.3°F
The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Cobb, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Cobb, NY
- Average wind speed in December: 15.9mph
The windiest month (with the highest average wind speed) is January (16.3mph).
The calmest month (with the lowest average wind speed) is July (10.7mph).
Average humidity in December
Cobb, NY
- Average humidity in December: 74%
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (72%).
Average rainfall in December
Cobb, NY
- Average rainfall in December: 2.6"
The wettest months (with the highest rainfall) are October and December (2.6").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Cobb, NY
- Average rainfall days in December: 11.8 days
The months with the highest number of rainy days are May and July (14.8 days).
The months with the least rainy days are January and February (8.8 days).
Average snowfall in December
Cobb, NY
- Average snowfall in December: 0.75"
The month with the highest snowfall is March (1.57").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Cobb, NY
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cobb, NY
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Cobb, NY
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
Cobb, NY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in December
Cobb, NY
- Average cloud cover in December: 51
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Cobb, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Cobb, New York, USA
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