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December Weather in Barrio San Diego, Mexico

Last updated: August 27, 2025

In December, the average temperature in Barrio San Diego, Mexico is a mild 15°C (59°F). Expect a temperature range where the minimum dips to 1°C (34°F) and can rise to a pleasant 26°C (79°F). With an average humidity of 70%, you might feel the warmth, while precipitation is light at 9 mm (0.4 in) over the course of just 1 day. Enjoy the variations this month brings!

December Temperature in Barrio San Diego

In December in Barrio San Diego, the average temperature is 15°C (59°F). Maximums can reach 26°C (79°F), while minimums can be as low as 1°C (34°F). Be prepared for a range of temperatures and pack accordingly to fully enjoy your travels in Barrio San Diego.

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

The chart illustrates December temperature patterns in Barrio San Diego, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barrio San Diego, December typically has an average temperature of 15°C (59°F), with highs reaching up to 26°C (79°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec586063646463636363626059
Data source: Temperature data for Barrio San Diego 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 Barrio San Diego

In Barrio San Diego in December, the precipitation amount is 9 mm (0.4 in) over the course of 1 day.

December Precipitation Trends in Barrio San Diego

The chart displays monthly precipitation patterns in Barrio San Diego, 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 Barrio San Diego, December typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec1231946151337286361394187319
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Barrio San Diego

In Barrio San Diego in December, humidity is 70%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it slightly uncomfortable while traveling, as the moist air clings to your skin and can leave you feeling slightly lethargic.

December Average Humidity in Barrio San Diego

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

In Barrio San Diego 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 Barrio San Diego.

Maximum UV Index Levels in Barrio San Diego for December

The chart shows the monthly maximum UV Index (UVI) for Barrio San Diego 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 Barrio San Diego typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131515151515141413119
Data source: Barrio San Diego 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 Barrio San Diego Compares to Other Months

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

This table compares monthly weather conditions in Barrio San Diego, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)12 mm (0.5 inches)65%extreme
February Weather16°C (60°F)3 mm (0.1 inches)61%extreme
March Weather17°C (63°F)19 mm (0.7 inches)59%extreme
April Weather18°C (64°F)46 mm (1.8 inches)62%extreme
May Weather18°C (65°F)151 mm (6.0 inches)73%extreme
June Weather17°C (63°F)337 mm (13.3 inches)78%extreme
July Weather17°C (63°F)286 mm (11.3 inches)79%extreme
August Weather17°C (63°F)361 mm (14.2 inches)82%extreme
September Weather17°C (63°F)394 mm (15.5 inches)82%extreme
October Weather17°C (62°F)186 mm (7.3 inches)79%extreme
November Weather16°C (60°F)31 mm (1.2 inches)72%extreme
December Weather15°C (59°F)9 mm (0.4 inches)70%very high

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