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December Weather in Muenster, United States

Last updated: June 24, 2025

In December, the average temperature in Muenster, United States is a cool 9°C (49°F). You can expect a temperature range that sees lows of -8°C (18°F) and highs reaching up to 28°C (83°F). During this time, the region experiences about 51 mm (2.0 in) of precipitation over 6 days, contributing to an average humidity level of 85%.

December Temperature in Muenster

In December in Muenster, the average temperature is 9°C (49°F). Maximum temperatures can reach 28°C (83°F), while the minimum can drop as low as -8°C (18°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates December temperature patterns in Muenster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Muenster, December typically has an average temperature of 9°C (49°F), with highs reaching up to 28°C (83°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec444658637381858478665449
Data source: Temperature data for Muenster 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 Muenster

In Muenster in December, the precipitation amount is 51 mm (2.0 in) over the course of 6 days.

December Precipitation Trends in Muenster

The chart displays monthly precipitation patterns in Muenster, 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 Muenster, December typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec47728787119793677911144451
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Muenster

In Muenster in December humidity is 85%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making every step outside a challenge as the moisture in the air weighs heavily and lingers, transforming even simple outings into a quest for comfort.

December Average Humidity in Muenster

This chart illustrates the average monthly humidity levels in Muenster, 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 Muenster is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%74%75%80%80%75%67%64%70%82%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Muenster

In Muenster 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 Muenster for better planning.

Maximum UV Index Levels in Muenster for December

The chart shows the monthly maximum UV Index (UVI) for Muenster 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 Muenster typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Muenster 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 Muenster Compares to Other Months

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

This table compares monthly weather conditions in Muenster, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)47 mm (1.9 inches)77%moderate
February Weather8°C (46°F)72 mm (2.8 inches)76%high
March Weather14°C (58°F)87 mm (3.4 inches)74%very high
April Weather17°C (64°F)87 mm (3.4 inches)75%very high
May Weather23°C (73°F)119 mm (4.7 inches)80%extreme
June Weather27°C (81°F)79 mm (3.1 inches)80%extreme
July Weather29°C (85°F)36 mm (1.4 inches)75%extreme
August Weather29°C (84°F)77 mm (3.0 inches)67%extreme
September Weather25°C (78°F)90 mm (3.6 inches)64%very high
October Weather19°C (66°F)114 mm (4.5 inches)70%very high
November Weather12°C (54°F)44 mm (1.7 inches)82%high
December Weather9°C (49°F)51 mm (2.0 inches)85%moderate

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