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August Weather in Hollister, United States

Last updated: June 24, 2025

In August, the average temperature in Hollister, United States hovers around 19°C (67°F), creating a comfortable atmosphere for outdoor activities. Expect a minimum temperature of 11°C (52°F) and a peak of 36°C (98°F) during the month. Rainfall is minimal, with just 1 mm (0.0 in) of precipitation spread over 0 days, while the average humidity sits at a pleasant 54%.

August Temperature in Hollister

In August in Hollister, the average temperature is 19°C (67°F), with maximums reaching 36°C (98°F) and minimums dropping as low as 11°C (52°F). This makes it an ideal time for travelers who enjoy mild weather interspersed with warmer days.

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

The chart illustrates August temperature patterns in Hollister, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hollister, August typically has an average temperature of 19°C (67°F), with highs reaching up to 36°C (98°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec505152555863656665615549
Data source: Temperature data for Hollister 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 Hollister

In Hollister in August, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

August Precipitation Trends in Hollister

The chart displays monthly precipitation patterns in Hollister, 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 Hollister, August typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec100778326181115153283
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Hollister

In Hollister in August, humidity is 54%. With an average temperature of 19°C (67°F), this humidity feels like a gentle embrace—a refreshing yet slightly damp sensation that invigorates while traveling, making it perfect for exploring the sights without feeling too stifled.

August Average Humidity in Hollister

This chart illustrates the average monthly humidity levels in Hollister, 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 Hollister is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Hollister

In Hollister in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hollister.

Maximum UV Index Levels in Hollister for August

The chart shows the monthly maximum UV Index (UVI) for Hollister 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 Hollister typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111111109753
Data source: Hollister 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 Hollister Compares to Other Months

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

This table compares monthly weather conditions in Hollister, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)99 mm (3.9 inches)82%moderate
February Weather10°C (51°F)76 mm (3.0 inches)84%moderate
March Weather11°C (53°F)83 mm (3.3 inches)82%very high
April Weather13°C (56°F)26 mm (1.0 inches)78%very high
May Weather14°C (58°F)17 mm (0.7 inches)71%extreme
June Weather17°C (63°F)1 mm (0.0 inches)64%extreme
July Weather18°C (65°F)0 mm (0.0 inches)58%extreme
August Weather19°C (67°F)1 mm (0.0 inches)54%very high
September Weather18°C (65°F)5 mm (0.2 inches)55%very high
October Weather16°C (61°F)15 mm (0.6 inches)62%high
November Weather13°C (55°F)32 mm (1.3 inches)78%moderate
December Weather10°C (50°F)83 mm (3.3 inches)80%moderate

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