July Weather in Hollister, United States

Last updated: June 24, 2025

In July, the average temperature in Hollister, United States is a warm 27°C (80°F), with nightly lows dipping to a comfortable 15°C (59°F) and daytime highs soaring to 37°C (99°F). Expect a bit of rain, as 132 mm (5.2 in) of precipitation falls over approximately 16 days, contributing to an average humidity of 79%. Prepare for a mix of sunshine and showers!

July Temperature in Hollister

In July in Hollister, the average temperature is 27°C (80°F). Maximums can reach 37°C (99°F) and minimums can be as low as 15°C (59°F). It's a great time to enjoy warm-weather activities while still having the option for cooler evenings.

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

The chart illustrates July 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, July typically has an average temperature of 27°C (80°F), with highs reaching up to 37°C (99°F) and lows dropping to around 15°C (59°F).

Data source: Temperature data for Hollister generated using information from the Copernicus Climate Change Service.

July Precipitation in Hollister

In Hollister in July, the precipitation amount is 132 mm (5.2 in) over the course of 16 days.

July Precipitation Trends in Hollister

The chart displays monthly precipitation patterns in Hollister, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Hollister, July typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Hollister

In Hollister in July humidity is 79%. With an average temperature of 27°C (80°F), this humidity feels like walking through a warm, dense blanket, making travel feel sluggish and allowing every step to become noticeably heavier.

July Average Humidity in Hollister

This chart illustrates the average monthly humidity levels in Hollister, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Hollister is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Hollister

In Hollister in July, 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 Hollister.

Maximum UV Index Levels in Hollister for July

The chart shows the monthly maximum UV Index (UVI) for Hollister in July, 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 July, the maximum UV index in Hollister typically reaches 11, which falls under the extreme exposure category.

Data source: Hollister July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	91 mm (3.6 inches)	84%	moderate
February Weather	9°C (48°F)	111 mm (4.4 inches)	84%	high
March Weather	11°C (52°F)	85 mm (3.3 inches)	84%	very high
April Weather	16°C (62°F)	107 mm (4.2 inches)	82%	very high
May Weather	21°C (70°F)	121 mm (4.8 inches)	82%	very high
June Weather	24°C (76°F)	135 mm (5.3 inches)	83%	extreme
July Weather	27°C (80°F)	132 mm (5.2 inches)	79%	extreme
August Weather	26°C (79°F)	157 mm (6.2 inches)	77%	very high
September Weather	23°C (74°F)	122 mm (4.8 inches)	75%	very high
October Weather	18°C (65°F)	91 mm (3.6 inches)	81%	very high
November Weather	11°C (51°F)	82 mm (3.2 inches)	87%	moderate
December Weather	8°C (47°F)	99 mm (3.9 inches)	85%	moderate