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December Weather in Mendota, United States

Last updated: June 24, 2025

In December, the average temperature in Mendota, United States hovers around 0°C (33°F), with temperatures dipping as low as -21°C (-6°F) and rising to a maximum of 20°C (67°F). Expect 51 mm (2.0 in) of precipitation spread over roughly 6 days, contributing to an average humidity of 84%. Be prepared for a chilly and somewhat wet month!

December Temperature in Mendota

In December in Mendota, the average temperature is 0°C (33°F). Maximum temperatures can reach 20°C (67°F), while minimums can drop as low as -21°C (-6°F). Be prepared for a wide range of temperatures when traveling during this month in Mendota.

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

The chart illustrates December temperature patterns in Mendota, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mendota, December typically has an average temperature of 0°C (33°F), with highs reaching up to 20°C (67°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec252740496273757368543933
Data source: Temperature data for Mendota 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 Mendota

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

December Precipitation Trends in Mendota

The chart displays monthly precipitation patterns in Mendota, 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 Mendota, December typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec616290115165142103721001305551
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mendota

In Mendota in December humidity is 84%. With average temperature 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less enjoyable and travel plans challenging.

December Average Humidity in Mendota

This chart illustrates the average monthly humidity levels in Mendota, 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 Mendota is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mendota

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

Maximum UV Index Levels in Mendota for December

The chart shows the monthly maximum UV Index (UVI) for Mendota 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 Mendota typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Mendota 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 Mendota Compares to Other Months

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

This table compares monthly weather conditions in Mendota, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)61 mm (2.4 inches)82%moderate
February Weather-3°C (27°F)62 mm (2.4 inches)83%moderate
March Weather4°C (40°F)90 mm (3.5 inches)84%high
April Weather10°C (49°F)115 mm (4.5 inches)85%very high
May Weather17°C (62°F)165 mm (6.5 inches)79%very high
June Weather23°C (73°F)142 mm (5.6 inches)82%very high
July Weather24°C (76°F)103 mm (4.1 inches)80%very high
August Weather23°C (73°F)72 mm (2.8 inches)81%very high
September Weather20°C (68°F)100 mm (3.9 inches)80%very high
October Weather12°C (55°F)130 mm (5.1 inches)82%high
November Weather4°C (39°F)55 mm (2.2 inches)88%moderate
December Weather0°C (33°F)51 mm (2.0 inches)84%low

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