July Weather in Rio Vista, United States

Last updated: June 24, 2025

In July, the average temperature in Rio Vista, United States reaches a warm 29°C (85°F), with potential highs soaring up to 42°C (108°F) and lows dipping to 17°C (64°F). This month experiences about 62 mm (2.5 in) of precipitation over 9 days, contributing to an average humidity of 73%. Prepare for a mix of heat and occasional rain as you enjoy your time here!

July Temperature in Rio Vista

In July in Rio Vista, the average temperature is 29°C (85°F), with maximums reaching 42°C (108°F) and minimums dropping as low as 17°C (64°F). It’s essential to pack lightweight clothing and stay hydrated while enjoying the warm weather.

July Weather in Rio Vista: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Rio Vista, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Vista, July typically has an average temperature of 29°C (85°F), with highs reaching up to 42°C (108°F) and lows dropping to around 17°C (64°F).

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

July Precipitation in Rio Vista

In Rio Vista in July, the precipitation amount is 62 mm (2.5 in) over a span of 9 days, indicating a relatively wet period.

July Precipitation Trends in Rio Vista

The chart displays monthly precipitation patterns in Rio Vista, 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 Rio Vista, July typically receives around 62 mm (2.5 inches) of precipitation spread over approximately 9 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 Rio Vista

In Rio Vista in July, humidity is 73%. With an average temperature of 29°C (85°F), this humidity feels like a warm blanket enveloping you, making outdoor activities quite uncomfortable and sticky for traveling.

July Average Humidity in Rio Vista

This chart illustrates the average monthly humidity levels in Rio Vista, 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 Rio Vista is approximately 73%, 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 Rio Vista

In Rio Vista 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 Rio Vista.

Maximum UV Index Levels in Rio Vista for July

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

Data source: Rio Vista 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 Rio Vista Compares to Other Months

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

This table compares monthly weather conditions in Rio Vista, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	56 mm (2.2 inches)	80%	moderate
February Weather	10°C (50°F)	90 mm (3.5 inches)	79%	high
March Weather	16°C (61°F)	85 mm (3.4 inches)	78%	very high
April Weather	19°C (66°F)	99 mm (3.9 inches)	78%	very high
May Weather	24°C (75°F)	174 mm (6.9 inches)	81%	extreme
June Weather	27°C (82°F)	81 mm (3.2 inches)	78%	extreme
July Weather	29°C (85°F)	62 mm (2.5 inches)	73%	extreme
August Weather	29°C (85°F)	98 mm (3.9 inches)	66%	extreme
September Weather	26°C (80°F)	71 mm (2.8 inches)	65%	very high
October Weather	20°C (69°F)	134 mm (5.3 inches)	72%	very high
November Weather	14°C (57°F)	45 mm (1.8 inches)	82%	high
December Weather	11°C (52°F)	56 mm (2.2 inches)	87%	moderate