August Weather in South Bend, United States

Last updated: June 24, 2025

In August, the average temperature in South Bend, United States hovers around 22°C (73°F). However, visitors should be prepared for a temperature range that can dip to a cool 9°C (49°F) and soar up to a sizzling 33°C (92°F). Rainfall is relatively common, with an average precipitation of 109 mm (4.3 in) spread over 12 days. Additionally, the average humidity is a humid 79%, ensuring a tropical feel throughout the month.

August Temperature in South Bend

In August in South Bend, the average temperature is 22°C (73°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 9°C (49°F). This makes it a perfect time for travelers looking to enjoy mild weather while exploring the area.

August Weather in South Bend: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in South Bend, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Bend, August typically has an average temperature of 22°C (73°F), with highs reaching up to 33°C (92°F) and lows dropping to around 9°C (49°F).

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

August Precipitation in South Bend

In South Bend in August, the total precipitation amount is 109 mm (4.3 in) during a span of 12 days.

August Precipitation Trends in South Bend

The chart displays monthly precipitation patterns in South Bend, 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 South Bend, August typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 12 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 South Bend

In South Bend in August, humidity is 79%. With an average temperature of 22°C (73°F), this humidity feels like a warm, muggy embrace that makes outdoor activities feel more taxing, and a quick stroll can leave you feeling slightly sticky and ready for a refreshing break.

August Average Humidity in South Bend

This chart illustrates the average monthly humidity levels in South Bend, 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 South Bend is approximately 79%, 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 South Bend

In South Bend 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 South Bend.

Maximum UV Index Levels in South Bend for August

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

Data source: South Bend 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 South Bend Compares to Other Months

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

This table compares monthly weather conditions in South Bend, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	73 mm (2.9 inches)	85%	moderate
February Weather	-2°C (29°F)	75 mm (2.9 inches)	85%	moderate
March Weather	4°C (39°F)	97 mm (3.8 inches)	86%	high
April Weather	9°C (48°F)	106 mm (4.2 inches)	87%	very high
May Weather	16°C (61°F)	161 mm (6.3 inches)	81%	very high
June Weather	22°C (72°F)	139 mm (5.5 inches)	82%	very high
July Weather	24°C (75°F)	117 mm (4.6 inches)	81%	very high
August Weather	22°C (73°F)	109 mm (4.3 inches)	79%	very high
September Weather	19°C (67°F)	79 mm (3.1 inches)	78%	very high
October Weather	13°C (55°F)	136 mm (5.4 inches)	81%	high
November Weather	4°C (40°F)	74 mm (2.9 inches)	89%	moderate
December Weather	1°C (34°F)	62 mm (2.5 inches)	86%	moderate