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December Weather in Pottsville, United States

Last updated: June 24, 2025

In Pottsville, United States, the average temperature in December hovers around 8°C (47°F). Expect a wide temperature range, with minimums dropping to -8°C (18°F) and maximums soaring to 27°C (80°F). During this month, precipitation averages 103 mm (4.0 in) over approximately 8 days, while the air is typically 87% humid. Prepare accordingly for a mix of chilly and warm days!

December Temperature in Pottsville

In December in Pottsville, the average temperature is 8°C (47°F). Maximum temperatures can reach 27°C (80°F), while minimums can drop as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack clothing for both warm and cold conditions.

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

The chart illustrates December temperature patterns in Pottsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pottsville, December typically has an average temperature of 8°C (47°F), with highs reaching up to 27°C (80°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec414454607078828076645146
Data source: Temperature data for Pottsville 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 Pottsville

In Pottsville in December, the precipitation amount is 103 mm (4.0 in) over a span of 8 days.

December Precipitation Trends in Pottsville

The chart displays monthly precipitation patterns in Pottsville, 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 Pottsville, December typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9113914114918512483115649488103
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pottsville

In Pottsville in December, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

December Average Humidity in Pottsville

This chart illustrates the average monthly humidity levels in Pottsville, 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 Pottsville is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%77%78%82%81%75%61%59%69%82%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pottsville

In Pottsville in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Pottsville for better planning.

Maximum UV Index Levels in Pottsville for December

The chart shows the monthly maximum UV Index (UVI) for Pottsville 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 Pottsville typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111109754
Data source: Pottsville 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 Pottsville Compares to Other Months

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

This table compares monthly weather conditions in Pottsville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)91 mm (3.6 inches)82%moderate
February Weather7°C (44°F)139 mm (5.5 inches)79%high
March Weather12°C (55°F)141 mm (5.5 inches)77%very high
April Weather16°C (60°F)149 mm (5.9 inches)78%very high
May Weather21°C (70°F)185 mm (7.3 inches)82%very high
June Weather26°C (79°F)124 mm (4.9 inches)81%extreme
July Weather28°C (82°F)83 mm (3.3 inches)75%extreme
August Weather27°C (80°F)115 mm (4.5 inches)61%very high
September Weather24°C (76°F)64 mm (2.5 inches)59%very high
October Weather18°C (64°F)94 mm (3.7 inches)69%high
November Weather10°C (51°F)88 mm (3.5 inches)82%moderate
December Weather8°C (47°F)103 mm (4.0 inches)87%moderate

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