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December Weather in Ortonville, United States

Last updated: June 24, 2025

In Ortonville, United States, the average temperature in December hovers around -5°C (24°F). During this time, temperatures can dip as low as -26°C (-14°F), while occasionally climbing to a maximum of 14°C (57°F). Expect 36 mm (1.4 in) of precipitation spread over 6 days, accompanied by an average humidity of 84%.

December Temperature in Ortonville

In December in Ortonville, the average temperature is -5°C (24°F). The maximum can reach 14°C (57°F) and the minimum can be as low as -26°C (-14°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates December temperature patterns in Ortonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ortonville, December typically has an average temperature of -5°C (24°F), with highs reaching up to 14°C (57°F) and lows dropping to around -26°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec151431415871747063473323
Data source: Temperature data for Ortonville 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 Ortonville

In Ortonville in December, the total precipitation amount is 36 mm (1.4 in), which falls over the course of 6 days.

December Precipitation Trends in Ortonville

The chart displays monthly precipitation patterns in Ortonville, 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 Ortonville, December typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2117466592779812977812636
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ortonville

In Ortonville in December, humidity is 84%. With an average temperature of -5°C (24°F), this humidity feels like an icy blanket wrapped around you, making the air feel even colder and more biting, which can be quite uncomfortable for traveling.

December Average Humidity in Ortonville

This chart illustrates the average monthly humidity levels in Ortonville, 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 Ortonville is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ortonville

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

Maximum UV Index Levels in Ortonville for December

The chart shows the monthly maximum UV Index (UVI) for Ortonville 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 Ortonville typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3557910997532
Data source: Ortonville 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 Ortonville Compares to Other Months

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

This table compares monthly weather conditions in Ortonville, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)21 mm (0.8 inches)85%moderate
February Weather-10°C (15°F)17 mm (0.7 inches)89%moderate
March Weather-1°C (31°F)46 mm (1.8 inches)81%moderate
April Weather5°C (41°F)64 mm (2.5 inches)82%high
May Weather14°C (58°F)92 mm (3.6 inches)76%very high
June Weather22°C (71°F)77 mm (3.0 inches)81%very high
July Weather23°C (74°F)98 mm (3.8 inches)82%very high
August Weather21°C (70°F)129 mm (5.1 inches)83%very high
September Weather17°C (63°F)77 mm (3.0 inches)82%high
October Weather8°C (47°F)81 mm (3.2 inches)82%moderate
November Weather1°C (33°F)26 mm (1.0 inches)87%moderate
December Weather-5°C (24°F)36 mm (1.4 inches)84%low

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