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August Weather in Hollister, United States

Last updated: June 24, 2025

In August, the average temperature in Hollister, United States is a pleasant 25°C (77°F). However, temperatures can swing between a cool 15°C (59°F) and a scorching 36°C (97°F). During this month, expect about 134 mm (5.3 in) of precipitation over 13 days, with an average humidity of 68%.

August Temperature in Hollister

In August in Hollister, the average temperature is 25°C (77°F). Maximums can reach 36°C (97°F), and minimums can be as low as 15°C (59°F). It's an ideal time to explore outdoor activities and enjoy the pleasant weather.

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 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec374051576776807773604843
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 134 mm (5.3 in) recorded over the course of 13 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 134 mm (5.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec81941401561728777134531266974
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 68%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace that can quickly become stifling for traveling, making outdoor activities feel more strenuous and the air thick and heavy.

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 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
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 Weather3°C (37°F)80 mm (3.2 inches)81%moderate
February Weather4°C (40°F)94 mm (3.7 inches)78%high
March Weather10°C (51°F)140 mm (5.5 inches)76%very high
April Weather14°C (57°F)156 mm (6.1 inches)78%very high
May Weather20°C (67°F)172 mm (6.8 inches)83%extreme
June Weather24°C (76°F)87 mm (3.4 inches)83%extreme
July Weather26°C (80°F)77 mm (3.0 inches)78%extreme
August Weather25°C (77°F)134 mm (5.3 inches)68%very high
September Weather23°C (74°F)53 mm (2.1 inches)64%very high
October Weather16°C (60°F)126 mm (5.0 inches)70%high
November Weather9°C (48°F)69 mm (2.7 inches)83%moderate
December Weather6°C (43°F)74 mm (2.9 inches)87%moderate

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