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December Weather in Point Marion, United States

Last updated: June 24, 2025

In December, the average temperature in Point Marion, United States hovers around 3°C (38°F). Weather can be quite variable, with minimums dipping to -15°C (5°F) and maximums rising to 19°C (67°F). Expect approximately 124 mm (4.9 in) of precipitation spread over 13 days, accompanied by a high average humidity of 86%, adding to the chill in the air.

December Temperature in Point Marion

In December in Point Marion, the average temperature is 3°C (38°F). The maximum can reach 19°C (67°F), while the minimum can drop to as low as -15°C (5°F). Be prepared for a mix of chilly days and occasional warmth during your travels.

December Weather in Point Marion: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Point Marion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Point Marion, December typically has an average temperature of 3°C (38°F), with highs reaching up to 19°C (67°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec323743536370747368584337
Data source: Temperature data for Point Marion 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 Point Marion

In Point Marion in December, the total precipitation amount is 124 mm (4.9 in) over a span of 13 days.

December Precipitation Trends in Point Marion

The chart displays monthly precipitation patterns in Point Marion, 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 Point Marion, December typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8713411813515016913711211411686124
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Point Marion

In Point Marion in December humidity is 86%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps through your layers, making traveling uncomfortable as breath clouds visibly in the crisp air.

December Average Humidity in Point Marion

This chart illustrates the average monthly humidity levels in Point Marion, 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 Point Marion 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 Point Marion

In Point Marion 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 Point Marion, you can check the information here.

Maximum UV Index Levels in Point Marion for December

The chart shows the monthly maximum UV Index (UVI) for Point Marion 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 Point Marion typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Point Marion 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 Point Marion Compares to Other Months

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

This table compares monthly weather conditions in Point Marion, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)87 mm (3.4 inches)88%moderate
February Weather3°C (37°F)134 mm (5.3 inches)88%moderate
March Weather6°C (43°F)118 mm (4.6 inches)88%high
April Weather11°C (53°F)135 mm (5.3 inches)86%very high
May Weather17°C (63°F)150 mm (5.9 inches)82%very high
June Weather21°C (70°F)169 mm (6.6 inches)84%very high
July Weather24°C (75°F)137 mm (5.4 inches)82%very high
August Weather23°C (73°F)112 mm (4.4 inches)73%very high
September Weather20°C (68°F)114 mm (4.5 inches)73%very high
October Weather14°C (58°F)116 mm (4.6 inches)81%high
November Weather6°C (43°F)86 mm (3.4 inches)89%moderate
December Weather3°C (38°F)124 mm (4.9 inches)86%moderate

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