August Weather in Rio Vista, United States

Last updated: June 24, 2025

In August, the average temperature in Rio Vista, United States hovers at a pleasant 23°C (73°F). Expect a wide range, with temperatures dipping as low as 12°C (54°F) and soaring up to 42°C (108°F). Notably, there's no rainfall to worry about, with 0 mm (0.0 in) recorded across 0 days. With an average humidity of only 36%, the climate is perfect for outdoor activities!

August Temperature in Rio Vista

In August in Rio Vista, the average temperature is 23°C (73°F). Maximum temperatures can reach up to 42°C (108°F), while minimums can drop to as low as 12°C (54°F). Be sure to pack a range of clothing to comfortably enjoy your stay, from light attire for the heat to warmer layers for the cooler evenings.

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

The chart illustrates August 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, August typically has an average temperature of 23°C (73°F), with highs reaching up to 42°C (108°F) and lows dropping to around 12°C (54°F).

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

August Precipitation in Rio Vista

In Rio Vista in August, the precipitation amount is 0 mm (0.0 in) during 0 days.

August Precipitation Trends in Rio Vista

The chart displays monthly precipitation patterns in Rio Vista, 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 Rio Vista, August typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.

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

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Millimeters (mm) Inches (in)

August Humidity in Rio Vista

In Rio Vista in August humidity is 36%. With an average temperature of 23°C (73°F), this humidity feels like a pleasant and refreshing breeze, making it ideal for exploring the sights and enjoying outdoor activities without feeling too sticky or weighed down.

August Average Humidity in Rio Vista

This chart illustrates the average monthly humidity levels in Rio Vista, 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 Rio Vista is approximately 36%, offering insight into how humid the weather typically is during this month.

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

August UV Index in Rio Vista

In Rio Vista 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 Rio Vista.

Maximum UV Index Levels in Rio Vista for August

The chart shows the monthly maximum UV Index (UVI) for Rio Vista 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 Rio Vista typically reaches 10, which falls under the very high exposure category.

Data source: Rio Vista 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 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	116 mm (4.6 inches)	84%	moderate
February Weather	12°C (53°F)	99 mm (3.9 inches)	84%	moderate
March Weather	13°C (56°F)	76 mm (3.0 inches)	83%	high
April Weather	17°C (62°F)	33 mm (1.3 inches)	81%	very high
May Weather	19°C (67°F)	16 mm (0.6 inches)	74%	very high
June Weather	23°C (73°F)	2 mm (0.1 inches)	64%	extreme
July Weather	23°C (74°F)	0 mm (0.0 inches)	44%	extreme
August Weather	23°C (73°F)	0 mm (0.0 inches)	36%	very high
September Weather	22°C (72°F)	1 mm (0.0 inches)	44%	very high
October Weather	19°C (66°F)	31 mm (1.2 inches)	65%	high
November Weather	13°C (56°F)	40 mm (1.6 inches)	84%	moderate
December Weather	10°C (50°F)	90 mm (3.5 inches)	83%	moderate