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December Weather in Pentwater, United States

Last updated: June 24, 2025

In December, the average temperature in Pentwater, United States hovers around a brisk 1°C (33°F). Expect chilly days with minimums dipping to -14°C (6°F) and highs reaching up to 13°C (55°F). This month brings about 79 mm (3.1 in) of precipitation spread over approximately 14 days, while the air maintains a high humidity level of 86%. Stay warm and prepared for a damp but vibrant season!

December Temperature in Pentwater

In December in Pentwater, the average temperature is 1°C (33°F). Maximum temperatures can reach 13°C (55°F), while minimums can drop as low as -14°C (6°F). Be prepared for a wide range of weather conditions when traveling in this period.

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

The chart illustrates December temperature patterns in Pentwater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pentwater, December typically has an average temperature of 1°C (33°F), with highs reaching up to 13°C (55°F) and lows dropping to around -14°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec282734404959697064534033
Data source: Temperature data for Pentwater 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 Pentwater

In Pentwater in December, the total precipitation amount is 79 mm (3.1 in) over a span of 14 days.

December Precipitation Trends in Pentwater

The chart displays monthly precipitation patterns in Pentwater, 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 Pentwater, December typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6963681031071066689991377479
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pentwater

In Pentwater in December humidity is 86%. With average temperature 1°C (33°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers for warmth to counteract the dampness in the air.

December Average Humidity in Pentwater

This chart illustrates the average monthly humidity levels in Pentwater, 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 Pentwater is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pentwater

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

Maximum UV Index Levels in Pentwater for December

The chart shows the monthly maximum UV Index (UVI) for Pentwater 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 Pentwater typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Pentwater 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 Pentwater Compares to Other Months

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

This table compares monthly weather conditions in Pentwater, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)69 mm (2.7 inches)87%low
February Weather-3°C (27°F)63 mm (2.5 inches)87%moderate
March Weather1°C (34°F)68 mm (2.7 inches)86%moderate
April Weather5°C (40°F)103 mm (4.1 inches)87%very high
May Weather9°C (49°F)107 mm (4.2 inches)82%very high
June Weather15°C (60°F)106 mm (4.2 inches)81%very high
July Weather20°C (69°F)66 mm (2.6 inches)78%very high
August Weather21°C (70°F)89 mm (3.5 inches)79%very high
September Weather18°C (64°F)99 mm (3.9 inches)79%high
October Weather12°C (53°F)137 mm (5.4 inches)82%moderate
November Weather4°C (40°F)74 mm (2.9 inches)87%moderate
December Weather1°C (33°F)79 mm (3.1 inches)86%low

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