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
A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 45.7°F (7.6°C) in November to a cold 36.1°F (2.3°C). Throughout December, Cooperstown witnesses a consistent average low-temperature of 25.7°F (-3.5°C).Humidity
The average relative humidity in December is 87%.Rainfall
In Cooperstown, in December, it is raining for 12.3 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, there are 186 rainfall days, and 38.03" (966mm) of precipitation is accumulated.Snowfall
Months with snowfall in Cooperstown are January through May, October through December. In Cooperstown, in December, during 17.5 snowfall days, 7.99" (203mm) of snow is typically accumulated. Throughout the year, there are 87.8 snowfall days, and 42.95" (1091mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:59 pm EST.
Sunshine
In Cooperstown, the average sunshine in December is 2.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
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 Cooperstown have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December in Cooperstown?
Average temperature in December
Cooperstown, PA
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Cooperstown, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Cooperstown, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Cooperstown, PA
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in December
Cooperstown, PA
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is November (2.44").
Average rainfall days in December
Cooperstown, PA
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Cooperstown, PA
- Average snowfall in December: 7.99"
The month with the highest snowfall is January (11.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cooperstown, PA
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cooperstown, PA
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 2h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Cooperstown, PA
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is November (11.3 days).
The month with the least sunshine days is February (5 days).
Average UV index in December
Cooperstown, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Cooperstown, PA
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Cooperstown, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).
Cooperstown, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location