August Weather in Geyserville, United States

Last updated: June 24, 2025

In August, the average temperature in Geyserville, United States lands at a pleasant 23°C (73°F). Expect minimums around 10°C (50°F) and maximums soaring to 39°C (102°F). With 0 mm (0.0 in) of precipitation over 0 days, this month boasts a relative humidity of 66%. Perfect weather for outdoor adventures!

August Temperature in Geyserville

In August in Geyserville, the average temperature is 23°C (73°F). Maximum temperatures can reach 39°C (102°F), while minimums can drop to 10°C (50°F). This makes Geyserville an ideal destination for travelers seeking warm, but variable weather; be sure to pack for both the heat and cooler evenings.

August Weather in Geyserville: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Geyserville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geyserville, August typically has an average temperature of 23°C (73°F), with highs reaching up to 39°C (102°F) and lows dropping to around 10°C (50°F).

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

August Precipitation in Geyserville

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

August Precipitation Trends in Geyserville

The chart displays monthly precipitation patterns in Geyserville, 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 Geyserville, 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 Geyserville

In Geyserville in August, humidity is 66%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making it essential for travelers to stay hydrated and plan outdoor activities for cooler times of the day.

August Average Humidity in Geyserville

This chart illustrates the average monthly humidity levels in Geyserville, 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 Geyserville is approximately 66%, 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 Geyserville

In Geyserville 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 Geyserville.

Maximum UV Index Levels in Geyserville for August

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

Data source: Geyserville 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 Geyserville Compares to Other Months

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

This table compares monthly weather conditions in Geyserville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	161 mm (6.3 inches)	86%	moderate
February Weather	9°C (49°F)	176 mm (6.9 inches)	84%	moderate
March Weather	10°C (51°F)	117 mm (4.6 inches)	83%	high
April Weather	13°C (56°F)	55 mm (2.2 inches)	80%	very high
May Weather	16°C (61°F)	37 mm (1.5 inches)	80%	extreme
June Weather	21°C (69°F)	2 mm (0.1 inches)	76%	extreme
July Weather	23°C (73°F)	0 mm (0.0 inches)	70%	extreme
August Weather	23°C (73°F)	0 mm (0.0 inches)	66%	very high
September Weather	21°C (69°F)	2 mm (0.1 inches)	68%	very high
October Weather	17°C (62°F)	50 mm (2.0 inches)	72%	high
November Weather	11°C (53°F)	71 mm (2.8 inches)	84%	moderate
December Weather	8°C (47°F)	108 mm (4.3 inches)	84%	moderate