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December Weather in Cooperstown, United States

Last updated: June 24, 2025

The average temperature in Cooperstown, United States during December hovers around -9°C (17°F). However, it can plummet to a chilling -34°C (-29°F), while occasionally peaking at a mild 10°C (51°F). Expect about 36 mm (1.4 in) of precipitation spread over 8 days, with an average humidity level of 84%. Stay warm and prepared for the elements!

December Temperature in Cooperstown

In December in Cooperstown, the average temperature is -9°C (17°F). The maximum can reach 10°C (51°F), while the minimum can drop as low as -34°C (-29°F). Travelers should prepare for cold temperatures and be ready for significant fluctuations in weather conditions.

December Weather in Cooperstown: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Cooperstown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cooperstown, December typically has an average temperature of -9°C (17°F), with highs reaching up to 10°C (51°F) and lows dropping to around -34°C (-29°F).
JanFebMarAprMayJunJulAugSepOctNovDec9726385467716759422717
Data source: Temperature data for Cooperstown generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Cooperstown

In Cooperstown in December, the precipitation amount is 36 mm (1.4 in) over a period of 8 days.

December Precipitation Trends in Cooperstown

The chart displays monthly precipitation patterns in Cooperstown, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Cooperstown, December typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec171924375182657871792236
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cooperstown

In Cooperstown in December, humidity is 84%. With an average temperature of -9°C (17°F), this humidity feels like a chilling embrace that clings to your skin, making the cold air penetrate even deeper and creating an oddly damp feeling that can be uncomfortable for traveling.

December Average Humidity in Cooperstown

This chart illustrates the average monthly humidity levels in Cooperstown, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Cooperstown is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%89%82%79%74%78%76%77%72%74%85%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Cooperstown

In Cooperstown in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Cooperstown, you can visit Hourly UV Index in Cooperstown.

Maximum UV Index Levels in Cooperstown for December

The chart shows the monthly maximum UV Index (UVI) for Cooperstown in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Cooperstown typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458810987532
Data source: Cooperstown December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Cooperstown Compares to Other Months

Weather in Cooperstown varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cooperstown, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Cooperstown, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-13°C (10°F)17 mm (0.7 inches)87%low
February Weather-14°C (8°F)19 mm (0.7 inches)89%moderate
March Weather-4°C (26°F)24 mm (1.0 inches)82%moderate
April Weather3°C (38°F)37 mm (1.4 inches)79%very high
May Weather12°C (55°F)51 mm (2.0 inches)74%very high
June Weather20°C (67°F)82 mm (3.2 inches)78%very high
July Weather22°C (71°F)65 mm (2.6 inches)76%very high
August Weather19°C (67°F)78 mm (3.1 inches)77%very high
September Weather15°C (59°F)71 mm (2.8 inches)72%high
October Weather6°C (43°F)79 mm (3.1 inches)74%moderate
November Weather-3°C (27°F)22 mm (0.9 inches)85%moderate
December Weather-9°C (17°F)36 mm (1.4 inches)84%low

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