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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 10°C (51°F). Temperatures can swing from a brisk -1°C (30°F) to a warm 24°C (75°F). Expect about 53 mm (2.1 in) of rainfall spread over 7 days, contributing to an average humidity of 80%. Embrace the variety this month has to offer!

December Temperature in Mendota

In December in Mendota, the average temperature is 10°C (51°F). The maximum can reach 24°C (75°F) and the minimum can be as low as -1°C (30°F). This variation in temperature makes it essential to pack both lightweight clothing for the daytime and warmer layers for the cooler evenings during your travels.

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 10°C (51°F), with highs reaching up to 24°C (75°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec515357647180858478685750
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 total precipitation amount is 53 mm (2.1 in) spread over a period of 7 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 53 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6847602215100082253
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 80%. With an average temperature of 10°C (51°F), this humidity feels like a damp layer clinging to the skin, making outdoor activities uncomfortable and requiring travelers to dress in layers to cope with the chill and moisture in the air.

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 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
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 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 Mendota, you can check the information here.

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 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589101211109753
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 Weather10°C (51°F)68 mm (2.7 inches)82%moderate
February Weather12°C (54°F)47 mm (1.8 inches)84%moderate
March Weather14°C (57°F)60 mm (2.4 inches)82%very high
April Weather18°C (65°F)22 mm (0.9 inches)78%very high
May Weather21°C (71°F)15 mm (0.6 inches)71%very high
June Weather26°C (80°F)1 mm (0.0 inches)64%extreme
July Weather29°C (85°F)0 mm (0.0 inches)58%extreme
August Weather29°C (84°F)0 mm (0.0 inches)54%very high
September Weather25°C (78°F)0 mm (0.0 inches)55%very high
October Weather20°C (68°F)8 mm (0.3 inches)62%high
November Weather14°C (58°F)22 mm (0.8 inches)78%moderate
December Weather10°C (51°F)53 mm (2.1 inches)80%moderate

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