December Weather in San Francisco Tlapancingo, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Francisco Tlapancingo, Mexico hovers around 18°C (64°F). You can expect a minimum of 4°C (39°F) and a maximum of 30°C (86°F) during this time. With an average precipitation of 9 mm (0.3 in) over just 1 day, the humidity levels are likely to be around 70%. Stay prepared for a mix of comfortable warmth and occasional showers!

December Temperature in San Francisco Tlapancingo

In December in San Francisco Tlapancingo, 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 San Francisco Tlapancingo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Francisco Tlapancingo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Francisco Tlapancingo, 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).
JanFebMarAprMayJunJulAugSepOctNovDec646669717169686867676664
Data source: Temperature data for San Francisco Tlapancingo 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 San Francisco Tlapancingo

In San Francisco Tlapancingo in December, the precipitation amount is 9 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in San Francisco Tlapancingo

The chart displays monthly precipitation patterns in San Francisco Tlapancingo, 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 San Francisco Tlapancingo, December typically receives around 9 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec92112386228195272317146249
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Francisco Tlapancingo

In San Francisco Tlapancingo in December humidity is 70%. With an average temperature of 18°C (64°F), this humidity feels like a sticky embrace, making outdoor excursions a bit more cumbersome and requiring frequent breaks to stay refreshed and hydrated.

December Average Humidity in San Francisco Tlapancingo

This chart illustrates the average monthly humidity levels in San Francisco Tlapancingo, 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 San Francisco Tlapancingo is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Francisco Tlapancingo

In San Francisco Tlapancingo 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 San Francisco Tlapancingo.

Maximum UV Index Levels in San Francisco Tlapancingo for December

The chart shows the monthly maximum UV Index (UVI) for San Francisco Tlapancingo 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 San Francisco Tlapancingo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151415141412109
Data source: San Francisco Tlapancingo 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 San Francisco Tlapancingo Compares to Other Months

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

This table compares monthly weather conditions in San Francisco Tlapancingo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)9 mm (0.4 inches)65%very high
February Weather19°C (66°F)2 mm (0.1 inches)61%extreme
March Weather21°C (69°F)11 mm (0.4 inches)59%extreme
April Weather22°C (71°F)23 mm (0.9 inches)62%extreme
May Weather22°C (72°F)86 mm (3.4 inches)73%extreme
June Weather20°C (69°F)228 mm (9.0 inches)78%extreme
July Weather20°C (68°F)195 mm (7.7 inches)79%extreme
August Weather20°C (68°F)272 mm (10.7 inches)82%extreme
September Weather20°C (68°F)317 mm (12.5 inches)82%extreme
October Weather19°C (67°F)146 mm (5.7 inches)79%extreme
November Weather19°C (66°F)24 mm (1.0 inches)72%very high
December Weather18°C (64°F)9 mm (0.3 inches)70%very high

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