August Weather in Galena, United States

Last updated: June 24, 2025

In Galena, United States, the weather in August typically features an average temperature of 25°C (77°F), with minimums dipping to 14°C (58°F) and maximums soaring up to 36°C (97°F). Visitors can expect 125 mm (4.9 in) of precipitation spread over 14 days, complemented by an average humidity of 68%, creating a warm and occasionally wet climate.

August Temperature in Galena

In August in Galena, the average temperature is 25°C (77°F), with maximums reaching 36°C (97°F) and minimums dropping as low as 14°C (58°F). This weather is ideal for exploring the outdoors, making it a perfect time for travelers to enjoy all that Galena has to offer.

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

The chart illustrates August temperature patterns in Galena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Galena, August typically has an average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (58°F).

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

August Precipitation in Galena

In Galena in August, the precipitation amount is 125 mm (4.9 in) over the course of 14 days.

August Precipitation Trends in Galena

The chart displays monthly precipitation patterns in Galena, 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 Galena, August typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 14 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 Galena

In Galena in August, humidity is 68%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace that can quickly become stifling for traveling, making outdoor activities feel more strenuous and the air thick and heavy.

August Average Humidity in Galena

This chart illustrates the average monthly humidity levels in Galena, 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 Galena is approximately 68%, 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 Galena

In Galena 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 Galena.

Maximum UV Index Levels in Galena for August

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

Data source: Galena 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 Galena Compares to Other Months

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

This table compares monthly weather conditions in Galena, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	86 mm (3.4 inches)	81%	moderate
February Weather	4°C (39°F)	93 mm (3.6 inches)	78%	high
March Weather	10°C (50°F)	145 mm (5.7 inches)	76%	very high
April Weather	13°C (56°F)	167 mm (6.6 inches)	78%	very high
May Weather	19°C (67°F)	171 mm (6.7 inches)	83%	very high
June Weather	24°C (76°F)	87 mm (3.4 inches)	83%	extreme
July Weather	26°C (80°F)	81 mm (3.2 inches)	78%	extreme
August Weather	25°C (77°F)	125 mm (4.9 inches)	68%	very high
September Weather	23°C (74°F)	53 mm (2.1 inches)	64%	very high
October Weather	15°C (60°F)	142 mm (5.6 inches)	70%	high
November Weather	8°C (47°F)	68 mm (2.7 inches)	83%	moderate
December Weather	6°C (43°F)	64 mm (2.5 inches)	87%	moderate