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December Weather in Luther, United States

Last updated: June 24, 2025

In December, the average temperature in Luther, United States is a cool 7°C (44°F). Expect a temperature range from a chilly -8°C (18°F) to a pleasant 26°C (78°F). During this time, you'll encounter about 35 mm (1.4 in) of precipitation spread over 4 days, while the air hangs moist with an average humidity of 87%. Prepare for a diverse climate and enjoy the unique beauty of this season!

December Temperature in Luther

In December in Luther, the average temperature is 7°C (44°F), with maximums reaching up to 26°C (78°F) and minimums dropping as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures during their visit.

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

The chart illustrates December temperature patterns in Luther, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Luther, December typically has an average temperature of 7°C (44°F), with highs reaching up to 26°C (78°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec394153597079838176625044
Data source: Temperature data for Luther 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 Luther

In Luther in December, the precipitation amount is 35 mm (1.4 in) over a span of 4 days.

December Precipitation Trends in Luther

The chart displays monthly precipitation patterns in Luther, 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 Luther, December typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec5346851321391078878811083435
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Luther

In Luther in December, humidity is 87%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring travelers to layer up to stay warm and dry.

December Average Humidity in Luther

This chart illustrates the average monthly humidity levels in Luther, 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 Luther is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%75%75%83%82%78%68%64%71%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Luther

In Luther 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 Luther for better planning.

Maximum UV Index Levels in Luther for December

The chart shows the monthly maximum UV Index (UVI) for Luther 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 Luther typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46710101111109754
Data source: Luther 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 Luther Compares to Other Months

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

This table compares monthly weather conditions in Luther, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)53 mm (2.1 inches)79%moderate
February Weather5°C (41°F)46 mm (1.8 inches)78%high
March Weather12°C (54°F)85 mm (3.4 inches)75%high
April Weather15°C (59°F)132 mm (5.2 inches)75%very high
May Weather21°C (70°F)139 mm (5.5 inches)83%very high
June Weather26°C (79°F)106 mm (4.2 inches)81%extreme
July Weather28°C (83°F)88 mm (3.5 inches)78%extreme
August Weather27°C (81°F)78 mm (3.1 inches)68%very high
September Weather24°C (76°F)81 mm (3.2 inches)64%very high
October Weather17°C (62°F)108 mm (4.3 inches)71%high
November Weather10°C (50°F)34 mm (1.4 inches)82%moderate
December Weather7°C (44°F)35 mm (1.4 inches)87%moderate

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