August Weather in Rio Dell, United States

Last updated: June 24, 2025

In Rio Dell, United States, the average temperature in August is around 18°C (64°F). Temperatures can fluctuate, with a minimum of 8°C (47°F) and a maximum soaring to 33°C (91°F). Expect a dry climate this month, with an insignificant 1 mm (0.0 in) of precipitation over 0 days. You'll also enjoy relatively comfortable conditions, as the average humidity hovers around 60%.

August Temperature in Rio Dell

In August in Rio Dell, the average temperature is 18°C (64°F). Maximums can reach 33°C (91°F), while minimums can drop to as low as 8°C (47°F). This range makes it an ideal time for travelers to enjoy outdoor activities while being prepared for varying temperatures.

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

The chart illustrates August temperature patterns in Rio Dell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Dell, August typically has an average temperature of 18°C (64°F), with highs reaching up to 33°C (91°F) and lows dropping to around 8°C (47°F).

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

August Precipitation in Rio Dell

In Rio Dell in August, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

August Precipitation Trends in Rio Dell

The chart displays monthly precipitation patterns in Rio Dell, 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 Dell, August typically receives around 1 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 Dell

In Rio Dell in August humidity is 60%. With an average temperature of 18°C (64°F), this humidity feels like a gentle and refreshing embrace, making it perfect for leisurely strolls and sightseeing.

August Average Humidity in Rio Dell

This chart illustrates the average monthly humidity levels in Rio Dell, 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 Dell is approximately 60%, 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 Dell

In Rio Dell 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 Dell.

Maximum UV Index Levels in Rio Dell for August

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

Data source: Rio Dell 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 Dell Compares to Other Months

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

This table compares monthly weather conditions in Rio Dell, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	214 mm (8.4 inches)	86%	moderate
February Weather	7°C (44°F)	201 mm (7.9 inches)	85%	moderate
March Weather	8°C (46°F)	177 mm (7.0 inches)	85%	high
April Weather	10°C (49°F)	101 mm (4.0 inches)	82%	very high
May Weather	12°C (53°F)	65 mm (2.6 inches)	81%	very high
June Weather	15°C (59°F)	16 mm (0.6 inches)	79%	extreme
July Weather	17°C (62°F)	2 mm (0.1 inches)	70%	very high
August Weather	18°C (64°F)	1 mm (0.0 inches)	60%	very high
September Weather	16°C (61°F)	23 mm (0.9 inches)	62%	very high
October Weather	13°C (55°F)	59 mm (2.3 inches)	72%	high
November Weather	9°C (49°F)	128 mm (5.1 inches)	87%	moderate
December Weather	6°C (44°F)	155 mm (6.1 inches)	86%	low