August Weather in Ventura, United States

Last updated: June 24, 2025

In August, the average temperature in Ventura, United States is a pleasant 21°C (71°F). Expect a range from a cool 9°C (49°F) to a warm 36°C (97°F). Be prepared for 121 mm (4.8 in) of precipitation spread over 10 days, with an average humidity of 77%.

August Temperature in Ventura

In August, in Ventura, the average temperature is 21°C (71°F). Maximums can reach 36°C (97°F), while minimums can drop as low as 9°C (49°F). This makes Ventura a great destination for travelers seeking warm days and cooler nights.

August Weather in Ventura: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Ventura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ventura, August typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec181834456072747065493527
Data source: Temperature data for Ventura 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 Ventura

In Ventura in August, the precipitation amount is 121 mm (4.8 in) spread over a period of 10 days.

August Precipitation Trends in Ventura

The chart displays monthly precipitation patterns in Ventura, 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 Ventura, August typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec364772831591331021211051104736
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Ventura

In Ventura in August, humidity is 77%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace that envelops you, making it both refreshing and slightly heavy, which can be a bit tiring for traveling.

August Average Humidity in Ventura

This chart illustrates the average monthly humidity levels in Ventura, 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 Ventura is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%80%81%74%81%80%77%75%80%87%83%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Ventura

In Ventura in August, 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 Ventura.

Maximum UV Index Levels in Ventura for August

The chart shows the monthly maximum UV Index (UVI) for Ventura 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 Ventura typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589111098533
Data source: Ventura 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 Ventura Compares to Other Months

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

This table compares monthly weather conditions in Ventura, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)36 mm (1.4 inches)82%moderate
February Weather-8°C (18°F)47 mm (1.9 inches)84%moderate
March Weather1°C (35°F)72 mm (2.9 inches)80%moderate
April Weather7°C (45°F)83 mm (3.3 inches)81%very high
May Weather15°C (60°F)159 mm (6.2 inches)74%very high
June Weather22°C (72°F)133 mm (5.2 inches)80%extreme
July Weather23°C (74°F)102 mm (4.0 inches)80%very high
August Weather21°C (71°F)121 mm (4.8 inches)77%very high
September Weather18°C (65°F)105 mm (4.1 inches)75%very high
October Weather10°C (49°F)110 mm (4.3 inches)80%moderate
November Weather2°C (35°F)47 mm (1.9 inches)87%moderate
December Weather-3°C (27°F)36 mm (1.4 inches)83%moderate

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