August Weather in Garnavillo, United States

Last updated: June 24, 2025

In August, the average temperature in Garnavillo, United States is a comfortable 22°C (71°F). However, temperatures can range from a cool 11°C (52°F) to a warm 33°C (93°F). Expect around 87 mm (3.4 in) of precipitation over 9 days, contributing to an average humidity of 69%. Embrace the varied weather and plan accordingly!

August Temperature in Garnavillo

In August in Garnavillo, the average temperature is 22°C (71°F), with maximums reaching 33°C (93°F) and minimums dipping as low as 11°C (52°F). This makes it an ideal time for travelers to enjoy outdoor activities while experiencing comfortable weather conditions.

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

The chart illustrates August temperature patterns in Garnavillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Garnavillo, August typically has an average temperature of 22°C (71°F), with highs reaching up to 33°C (93°F) and lows dropping to around 11°C (52°F).

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

August Precipitation in Garnavillo

In Garnavillo in August, the precipitation amount is 87 mm (3.4 in), occurring over a span of 9 days.

August Precipitation Trends in Garnavillo

The chart displays monthly precipitation patterns in Garnavillo, 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 Garnavillo, August typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 9 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 Garnavillo

In Garnavillo in August humidity is 69%. With an average temperature of 22°C (71°F), this humidity feels like walking through a warm embrace, making travel slightly uncomfortable yet refreshing, as the air clings to your skin and adds a layer of warmth to your exploration.

August Average Humidity in Garnavillo

This chart illustrates the average monthly humidity levels in Garnavillo, 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 Garnavillo is approximately 69%, 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 Garnavillo

In Garnavillo in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Garnavillo.

Maximum UV Index Levels in Garnavillo for August

The chart shows the monthly maximum UV Index (UVI) for Garnavillo 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 Garnavillo typically reaches 9, which falls under the very high exposure category.

Data source: Garnavillo 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 Garnavillo Compares to Other Months

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

This table compares monthly weather conditions in Garnavillo, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	44 mm (1.7 inches)	84%	moderate
February Weather	-6°C (22°F)	56 mm (2.2 inches)	85%	moderate
March Weather	2°C (37°F)	62 mm (2.5 inches)	84%	moderate
April Weather	8°C (47°F)	78 mm (3.1 inches)	83%	very high
May Weather	16°C (60°F)	150 mm (5.9 inches)	75%	very high
June Weather	22°C (72°F)	130 mm (5.1 inches)	79%	very high
July Weather	24°C (75°F)	103 mm (4.0 inches)	75%	very high
August Weather	22°C (71°F)	87 mm (3.4 inches)	69%	very high
September Weather	19°C (66°F)	120 mm (4.7 inches)	74%	very high
October Weather	10°C (51°F)	133 mm (5.2 inches)	79%	moderate
November Weather	2°C (36°F)	47 mm (1.9 inches)	88%	moderate
December Weather	-2°C (29°F)	40 mm (1.6 inches)	82%	low