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December Weather in Sebastopol, Mexico

Last updated: August 27, 2025

In Sebastopol, Mexico, the average temperature in December is a cool 11°C (52°F), with extremes ranging from a brisk -3°C (28°F) to a pleasant 23°C (74°F). This month typically sees 14 mm (0.6 in) of precipitation spread over 4 days, and the air is quite humid, boasting an average humidity of 88%. Prepare for varying weather as you explore this charming destination!

December Temperature in Sebastopol

In December in Sebastopol, the average temperature is 11°C (52°F). The maximum can reach 23°C (74°F) and the minimum can be as low as -3°C (28°F). Be prepared for a mix of weather conditions when traveling during this month in Sebastopol.

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

The chart illustrates December temperature patterns in Sebastopol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sebastopol, December typically has an average temperature of 11°C (52°F), with highs reaching up to 23°C (74°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec515557606261596059585452
Data source: Temperature data for Sebastopol 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 Sebastopol

In Sebastopol in December, the total precipitation amount is 14 mm (0.6 in) spread over a duration of 4 days.

December Precipitation Trends in Sebastopol

The chart displays monthly precipitation patterns in Sebastopol, 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 Sebastopol, December typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec352548761082131852492561635214
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sebastopol

In Sebastopol in December, humidity is 88%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and the air feel thick, encouraging you to seek shelter or stay hydrated as you explore.

December Average Humidity in Sebastopol

This chart illustrates the average monthly humidity levels in Sebastopol, 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 Sebastopol is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sebastopol

In Sebastopol in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sebastopol.

Maximum UV Index Levels in Sebastopol for December

The chart shows the monthly maximum UV Index (UVI) for Sebastopol 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 Sebastopol typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: Sebastopol 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 Sebastopol Compares to Other Months

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

This table compares monthly weather conditions in Sebastopol, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)35 mm (1.4 inches)84%very high
February Weather13°C (55°F)25 mm (1.0 inches)78%extreme
March Weather14°C (58°F)48 mm (1.9 inches)75%extreme
April Weather16°C (60°F)76 mm (3.0 inches)70%extreme
May Weather17°C (62°F)108 mm (4.2 inches)77%extreme
June Weather16°C (61°F)213 mm (8.4 inches)76%extreme
July Weather15°C (60°F)185 mm (7.3 inches)68%extreme
August Weather15°C (60°F)249 mm (9.8 inches)70%extreme
September Weather15°C (60°F)256 mm (10.1 inches)82%extreme
October Weather14°C (58°F)163 mm (6.4 inches)91%extreme
November Weather12°C (54°F)52 mm (2.0 inches)89%very high
December Weather11°C (52°F)14 mm (0.6 inches)88%very high

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