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December Weather in Pennsboro, United States

Last updated: June 24, 2025

In December, the average temperature in Pennsboro, United States hovers around 4°C (39°F). Expect a minimum chill of -14°C (7°F) and the occasional warm spike up to 20°C (68°F). The region experiences about 121 mm (4.7 in) of precipitation spread over 12 days, resulting in a noticeably high average humidity of 86%. Prepare for a varied climate!

December Temperature in Pennsboro

In December in Pennsboro, the average temperature is 4°C (39°F), with maximums reaching up to 20°C (68°F) and minimums plummeting to as low as -14°C (7°F). Be sure to pack layers to prepare for a range of temperatures while exploring this destination.

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

The chart illustrates December temperature patterns in Pennsboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pennsboro, December typically has an average temperature of 4°C (39°F), with highs reaching up to 20°C (68°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec343945546471767469594439
Data source: Temperature data for Pennsboro 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 Pennsboro

In Pennsboro in December, the precipitation amount reaches 121 mm (4.7 in) over the course of 12 days.

December Precipitation Trends in Pennsboro

The chart displays monthly precipitation patterns in Pennsboro, 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 Pennsboro, December typically receives around 121 mm (4.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec9613411414615417613111111011685121
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pennsboro

In Pennsboro in December humidity is 86%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making it essential to bundle up while exploring, as each breath comes with a damp chill that can be quite refreshing yet starkly invigorating for travelers.

December Average Humidity in Pennsboro

This chart illustrates the average monthly humidity levels in Pennsboro, 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 Pennsboro is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pennsboro

In Pennsboro in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Pennsboro, you can check the information here.

Maximum UV Index Levels in Pennsboro for December

The chart shows the monthly maximum UV Index (UVI) for Pennsboro 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 Pennsboro typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098753
Data source: Pennsboro 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 Pennsboro Compares to Other Months

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

This table compares monthly weather conditions in Pennsboro, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)96 mm (3.8 inches)88%moderate
February Weather4°C (39°F)134 mm (5.3 inches)88%moderate
March Weather7°C (45°F)114 mm (4.5 inches)88%high
April Weather12°C (54°F)146 mm (5.8 inches)86%very high
May Weather18°C (65°F)154 mm (6.1 inches)82%very high
June Weather22°C (71°F)176 mm (6.9 inches)84%very high
July Weather24°C (76°F)131 mm (5.2 inches)82%very high
August Weather23°C (74°F)111 mm (4.4 inches)73%very high
September Weather21°C (70°F)110 mm (4.3 inches)73%very high
October Weather15°C (59°F)116 mm (4.6 inches)81%high
November Weather7°C (45°F)85 mm (3.4 inches)89%moderate
December Weather4°C (39°F)121 mm (4.7 inches)86%moderate

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