nomadseason

August Weather in San Fernando, Mexico

Last updated: August 27, 2025

In August, the average temperature in San Fernando, Mexico reaches a warm 30°C (87°F). Temperatures can swing from a comfortable 22°C (72°F) at their lowest to a sizzling 40°C (104°F) at their peak. Expect some moisture, with 25 mm (1.0 in) of precipitation spread over 5 days, and feel the mild embrace of 67% humidity in the air.

August Temperature in San Fernando

In August in San Fernando, the average temperature is 30°C (87°F). Maximums can reach 40°C (104°F), and minimums can be as low as 22°C (72°F). Be prepared for warm weather and stay hydrated while exploring the attractions!

August Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, August typically has an average temperature of 30°C (87°F), with highs reaching up to 40°C (104°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec636672778285858782776965
Data source: Temperature data for San Fernando generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in San Fernando

In San Fernando in August, the total precipitation amount is 25 mm (1.0 in) over a span of 5 days.

August Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In San Fernando, August typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec2416363058738625109873313
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in San Fernando

In San Fernando in August, humidity is 67%. With an average temperature of 30°C (87°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel steamy and uncomfortable for traveling.

August Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in San Fernando is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%78%81%82%74%68%67%75%78%83%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Fernando

In San Fernando in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Fernando.

Maximum UV Index Levels in San Fernando for August

The chart shows the monthly maximum UV Index (UVI) for San Fernando in August, 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 August, the maximum UV index in San Fernando typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111212121212111086
Data source: San Fernando August 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 August Weather in San Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)24 mm (0.9 inches)84%high
February Weather19°C (67°F)16 mm (0.6 inches)83%very high
March Weather22°C (73°F)36 mm (1.4 inches)78%extreme
April Weather25°C (78°F)30 mm (1.2 inches)81%extreme
May Weather28°C (83°F)58 mm (2.3 inches)82%extreme
June Weather29°C (85°F)72 mm (2.9 inches)74%extreme
July Weather30°C (86°F)86 mm (3.4 inches)68%extreme
August Weather30°C (87°F)25 mm (1.0 inches)67%extreme
September Weather28°C (83°F)109 mm (4.3 inches)75%extreme
October Weather25°C (77°F)87 mm (3.4 inches)78%very high
November Weather21°C (70°F)33 mm (1.3 inches)83%very high
December Weather18°C (66°F)13 mm (0.5 inches)86%high

Compare San Fernando's Climate with Cities Worldwide