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August Weather in San Fernando, United States

Last updated: June 24, 2025

In San Fernando, United States, the average temperature in August reaches a warm 25°C (78°F), with a comfortable minimum of 16°C (60°F) and a peak of up to 41°C (107°F). The month sees minimal precipitation, averaging just 1 mm (0.0 in) over 0 days, while the average humidity levels around 39%, promising a pleasant atmosphere perfect for outdoor activities.

August Temperature in San Fernando

In August in San Fernando, the average temperature is 25°C (78°F). Maximums can reach 41°C (107°F), and minimums can be as low as 16°C (60°F). Be prepared for warm days and cooler evenings when planning your travel to San Fernando this August.

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 25°C (78°F), with highs reaching up to 41°C (107°F) and lows dropping to around 16°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec545557636571777774686154
Data source: Temperature data for San Fernando 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.

August Precipitation in San Fernando

In San Fernando in August, the precipitation amount is 1 mm (0.0 in) during a span of 0 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 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec7762852015211392084
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Fernando

In San Fernando in August, humidity is 39%. With an average temperature of 25°C (78°F), this humidity feels like a pleasant embrace, making it comfortable for traveling while allowing for enjoyable outdoor exploration without feeling overly sticky or oppressive.

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 39%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
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 reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
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 Weather12°C (54°F)77 mm (3.0 inches)78%moderate
February Weather13°C (55°F)62 mm (2.5 inches)82%high
March Weather14°C (57°F)85 mm (3.3 inches)75%very high
April Weather17°C (63°F)20 mm (0.8 inches)68%very high
May Weather18°C (65°F)15 mm (0.6 inches)57%extreme
June Weather22°C (71°F)2 mm (0.1 inches)52%extreme
July Weather25°C (77°F)1 mm (0.0 inches)46%extreme
August Weather25°C (78°F)1 mm (0.0 inches)39%extreme
September Weather23°C (75°F)3 mm (0.1 inches)48%very high
October Weather20°C (69°F)9 mm (0.4 inches)59%high
November Weather16°C (62°F)20 mm (0.8 inches)72%moderate
December Weather12°C (54°F)84 mm (3.3 inches)76%moderate

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