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December Weather in Tecumseh, United States

Last updated: June 24, 2025

In December, the average temperature in Tecumseh, United States hovers around 1°C (34°F). Expect a wide range, with minimums dipping to -21°C (-6°F) and maximums soaring to 22°C (72°F). Be prepared for some precipitation, as this month sees about 31 mm (1.2 in) over 4 days, accompanied by a notable average humidity of 83%.

December Temperature in Tecumseh

In December in Tecumseh, the average temperature is 1°C (34°F). The maximum can reach 22°C (72°F) and the minimum can be as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Tecumseh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tecumseh, December typically has an average temperature of 1°C (34°F), with highs reaching up to 22°C (72°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec282943526477807671544234
Data source: Temperature data for Tecumseh 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 Tecumseh

In Tecumseh in December, the total precipitation amount is 31 mm (1.2 in) over a span of 4 days.

December Precipitation Trends in Tecumseh

The chart displays monthly precipitation patterns in Tecumseh, 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 Tecumseh, December typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec3131936516510490107791303231
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tecumseh

In Tecumseh in December, humidity is 83%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel uncomfortable as the damp cold seeps into your bones, adding an extra layer of heaviness to the air that can leave you feeling sluggish and fatigued.

December Average Humidity in Tecumseh

This chart illustrates the average monthly humidity levels in Tecumseh, 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 Tecumseh is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%73%75%78%82%83%81%75%75%82%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tecumseh

In Tecumseh 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 Tecumseh, you can check the information here.

Maximum UV Index Levels in Tecumseh for December

The chart shows the monthly maximum UV Index (UVI) for Tecumseh 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 Tecumseh typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Tecumseh 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 Tecumseh Compares to Other Months

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

This table compares monthly weather conditions in Tecumseh, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)31 mm (1.2 inches)76%moderate
February Weather-2°C (29°F)31 mm (1.2 inches)80%moderate
March Weather6°C (44°F)93 mm (3.7 inches)73%high
April Weather11°C (52°F)64 mm (2.5 inches)74%very high
May Weather18°C (65°F)165 mm (6.5 inches)78%very high
June Weather25°C (77°F)103 mm (4.1 inches)82%very high
July Weather26°C (80°F)90 mm (3.5 inches)83%very high
August Weather24°C (76°F)106 mm (4.2 inches)80%very high
September Weather22°C (71°F)79 mm (3.1 inches)75%very high
October Weather12°C (55°F)130 mm (5.1 inches)75%high
November Weather6°C (42°F)32 mm (1.3 inches)82%moderate
December Weather1°C (34°F)31 mm (1.2 inches)83%moderate

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