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December Weather in Francisco Osorno, Mexico

Last updated: August 27, 2025

In Francisco Osorno, Mexico, the average temperature for December hovers around 18°C (64°F), making it a pleasant time to visit. However, temperatures can vary significantly, with a minimum of 4°C (39°F) and a maximum of 30°C (86°F). Visitors should also be prepared for 81 mm (3.2 in) of precipitation over approximately 11 days, contributing to a high average humidity of 91%.

December Temperature in Francisco Osorno

In December in Francisco Osorno, the average temperature is 18°C (64°F). Maximum temperatures can reach 30°C (86°F), while the minimum can drop as low as 4°C (39°F). This diverse range of temperatures makes it essential for travelers to pack both light clothing for warm days and layers for cooler evenings.

December Weather in Francisco Osorno: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Francisco Osorno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Francisco Osorno, December typically has an average temperature of 18°C (64°F), with highs reaching up to 30°C (86°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec636569737777767776736864
Data source: Temperature data for Francisco Osorno 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 Francisco Osorno

In Francisco Osorno in December, the precipitation amount is 81 mm (3.2 in) over a span of 11 days.

December Precipitation Trends in Francisco Osorno

The chart displays monthly precipitation patterns in Francisco Osorno, 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 Francisco Osorno, December typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec11810815214019629025129733032916481
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Francisco Osorno

In Francisco Osorno in December humidity is 91%. With an average temperature of 18°C (64°F), this humidity feels like a thick blanket enveloping you, making any outdoor activities somewhat draining and requiring frequent hydration to stay comfortable while exploring.

December Average Humidity in Francisco Osorno

This chart illustrates the average monthly humidity levels in Francisco Osorno, 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 Francisco Osorno is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Francisco Osorno

In Francisco Osorno in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Francisco Osorno.

Maximum UV Index Levels in Francisco Osorno for December

The chart shows the monthly maximum UV Index (UVI) for Francisco Osorno 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 Francisco Osorno typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810111213131312121197
Data source: Francisco Osorno 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 Francisco Osorno Compares to Other Months

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

This table compares monthly weather conditions in Francisco Osorno, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)118 mm (4.6 inches)88%very high
February Weather19°C (66°F)108 mm (4.3 inches)86%very high
March Weather20°C (69°F)152 mm (6.0 inches)83%extreme
April Weather23°C (74°F)140 mm (5.5 inches)80%extreme
May Weather25°C (77°F)196 mm (7.7 inches)82%extreme
June Weather25°C (77°F)290 mm (11.4 inches)79%extreme
July Weather25°C (77°F)251 mm (9.9 inches)72%extreme
August Weather25°C (77°F)297 mm (11.7 inches)74%extreme
September Weather24°C (76°F)330 mm (13.0 inches)84%extreme
October Weather23°C (73°F)329 mm (13.0 inches)92%extreme
November Weather20°C (68°F)164 mm (6.4 inches)91%very high
December Weather18°C (64°F)81 mm (3.2 inches)91%high

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