July Weather in Riverside, United States

Last updated: June 24, 2025

In July, the average temperature in Riverside, United States is a warm 27°C (80°F). Expect a minimum of 10°C (50°F) and a maximum that can soar to 38°C (102°F). During this time, precipitation averages 12 mm (0.5 in) over the span of 3 days, accompanied by an average humidity of 44%.

July Temperature in Riverside

In July in Riverside, the average temperature is 27°C (80°F). Maximums can reach 38°C (102°F), and minimums can be as low as 10°C (50°F). Be prepared for warm days and cooler evenings, making it an ideal time for both outdoor adventures and relaxing nights.

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

The chart illustrates July temperature patterns in Riverside, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riverside, July typically has an average temperature of 27°C (80°F), with highs reaching up to 38°C (102°F) and lows dropping to around 10°C (50°F).

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

July Precipitation in Riverside

In Riverside in July, the precipitation amount is 12 mm (0.5 in) during a span of 3 days.

July Precipitation Trends in Riverside

The chart displays monthly precipitation patterns in Riverside, 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 Riverside, July typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 3 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 Riverside

In Riverside in July humidity is 44%. With an average temperature of 27°C (80°F), this humidity feels like a comfortable embrace, making it pleasant for traveling as long as you stay hydrated and enjoy the warm air.

July Average Humidity in Riverside

This chart illustrates the average monthly humidity levels in Riverside, 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 Riverside is approximately 44%, 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 Riverside

In Riverside 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 Riverside.

Maximum UV Index Levels in Riverside for July

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

Data source: Riverside 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 Riverside Compares to Other Months

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

This table compares monthly weather conditions in Riverside, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	53 mm (2.1 inches)	91%	moderate
February Weather	0°C (31°F)	63 mm (2.5 inches)	92%	moderate
March Weather	5°C (42°F)	58 mm (2.3 inches)	84%	high
April Weather	10°C (49°F)	60 mm (2.4 inches)	74%	very high
May Weather	15°C (59°F)	44 mm (1.7 inches)	62%	very high
June Weather	22°C (71°F)	19 mm (0.7 inches)	56%	extreme
July Weather	27°C (80°F)	12 mm (0.5 inches)	44%	extreme
August Weather	25°C (77°F)	16 mm (0.6 inches)	37%	very high
September Weather	19°C (67°F)	34 mm (1.3 inches)	46%	very high
October Weather	10°C (50°F)	41 mm (1.6 inches)	67%	high
November Weather	4°C (39°F)	38 mm (1.5 inches)	84%	moderate
December Weather	-2°C (28°F)	42 mm (1.7 inches)	88%	moderate