December Weather in San Diego Alcala, Mexico

Last updated: August 26, 2025

In December, the average temperature in San Diego Alcala, Mexico hovers around 11°C (52°F), making it a brisk yet inviting time to visit. Expect a minimum of -2°C (29°F) and a maximum of 23°C (73°F), giving a broad range of experiences. With an average precipitation of 6 mm (0.2 in) spread across 1 day, you'll want to carry an umbrella just in case. Additionally, humidity levels can reach a cozy 88%, creating a refreshing atmosphere during your stay.

December Temperature in San Diego Alcala

In December in San Diego Alcala, the average temperature is 11°C (52°F). The maximum can reach 23°C (73°F), while the minimum can dip as low as -2°C (29°F). Be prepared for a range of temperatures when traveling during this month.

December Weather in San Diego Alcala: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Diego Alcala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Diego Alcala, December typically has an average temperature of 11°C (52°F), with highs reaching up to 23°C (73°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec515458596160585858575452
Data source: Temperature data for San Diego Alcala 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 Diego Alcala

In San Diego Alcala in December, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

December Precipitation Trends in San Diego Alcala

The chart displays monthly precipitation patterns in San Diego Alcala, 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 Diego Alcala, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec111626527021024225825397276
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Diego Alcala

In San Diego Alcala 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 San Diego Alcala

This chart illustrates the average monthly humidity levels in San Diego Alcala, 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 Diego Alcala 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 San Diego Alcala

In San Diego Alcala 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 Diego Alcala.

Maximum UV Index Levels in San Diego Alcala for December

The chart shows the monthly maximum UV Index (UVI) for San Diego Alcala 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 Diego Alcala typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121515161514141412109
Data source: San Diego Alcala 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 Diego Alcala Compares to Other Months

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

This table compares monthly weather conditions in San Diego Alcala, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)11 mm (0.4 inches)84%very high
February Weather12°C (55°F)16 mm (0.6 inches)78%extreme
March Weather14°C (58°F)26 mm (1.0 inches)75%extreme
April Weather15°C (60°F)52 mm (2.0 inches)70%extreme
May Weather16°C (62°F)70 mm (2.7 inches)77%extreme
June Weather16°C (61°F)210 mm (8.3 inches)76%extreme
July Weather15°C (59°F)242 mm (9.5 inches)68%extreme
August Weather15°C (59°F)258 mm (10.2 inches)70%extreme
September Weather14°C (58°F)253 mm (10.0 inches)82%extreme
October Weather14°C (57°F)97 mm (3.8 inches)91%extreme
November Weather12°C (54°F)27 mm (1.1 inches)89%very high
December Weather11°C (52°F)6 mm (0.2 inches)88%very high

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