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December Weather in Clymer, United States

Last updated: June 24, 2025

In December, the average temperature in Clymer, United States hovers around 1°C (35°F). Expect chilly conditions, with minimum temperatures dipping to -15°C (5°F) and highs reaching up to 18°C (64°F). On average, 107 mm (4.2 in) of precipitation falls over 14 days, contributing to a rather humid atmosphere with an average humidity of 88%.

December Temperature in Clymer

In December in Clymer, the average temperature is 1°C (35°F). Maximums can reach 18°C (64°F), while minimums can plunge as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Clymer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clymer, December typically has an average temperature of 1°C (35°F), with highs reaching up to 18°C (64°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec293339496068737165554034
Data source: Temperature data for Clymer 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 Clymer

In Clymer in December, the precipitation amount is 107 mm (4.2 in) spread over a period of 14 days.

December Precipitation Trends in Clymer

The chart displays monthly precipitation patterns in Clymer, 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 Clymer, December typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec951271071311531271288912511594107
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Clymer

In Clymer in December, humidity is 88%. With an average temperature of 1°C (35°F), this humidity feels like a chilly embrace, making travel quite uncomfortable as the cold moisture clings to your skin, leaving you feeling damp and frigid.

December Average Humidity in Clymer

This chart illustrates the average monthly humidity levels in Clymer, 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 Clymer is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Clymer

In Clymer 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 Clymer, you can visit Hourly UV Index in Clymer.

Maximum UV Index Levels in Clymer for December

The chart shows the monthly maximum UV Index (UVI) for Clymer 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 Clymer typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Clymer 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 Clymer Compares to Other Months

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

This table compares monthly weather conditions in Clymer, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)95 mm (3.8 inches)89%moderate
February Weather0°C (33°F)127 mm (5.0 inches)90%moderate
March Weather4°C (39°F)107 mm (4.2 inches)89%high
April Weather10°C (49°F)131 mm (5.2 inches)88%very high
May Weather16°C (60°F)153 mm (6.0 inches)80%very high
June Weather20°C (68°F)126 mm (5.0 inches)79%very high
July Weather23°C (73°F)128 mm (5.0 inches)74%very high
August Weather22°C (71°F)89 mm (3.5 inches)64%very high
September Weather18°C (65°F)125 mm (4.9 inches)67%very high
October Weather13°C (55°F)115 mm (4.5 inches)81%high
November Weather4°C (40°F)94 mm (3.7 inches)89%moderate
December Weather1°C (35°F)107 mm (4.2 inches)88%low

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