August Weather in Coralville, United States

Last updated: June 24, 2025

In August, the average temperature in Coralville, United States is a pleasant 23°C (73°F). However, be prepared for a range, as temperatures can dip to a minimum of 11°C (52°F) and soar up to a maximum of 35°C (95°F). Expect about 83 mm (3.3 in) of precipitation over the month, typically spread across 8 days. With an average humidity of 77%, it’s wise to stay hydrated and enjoy the tropical vibes!

August Temperature in Coralville

In August in Coralville, the average temperature is 23°C (73°F). Maximums can reach 35°C (95°F) and minimums can be as low as 11°C (52°F). This mild climate makes Coralville an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates August temperature patterns in Coralville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coralville, August typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 11°C (52°F).

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

August Precipitation in Coralville

In Coralville in August, the precipitation amount reaches 83 mm (3.3 in) over the course of 8 days.

August Precipitation Trends in Coralville

The chart displays monthly precipitation patterns in Coralville, 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 Coralville, August typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Coralville

In Coralville in August, humidity is 77%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable but bearable. It's essential to stay hydrated and take frequent breaks to enjoy the sights while avoiding overheating.

August Average Humidity in Coralville

This chart illustrates the average monthly humidity levels in Coralville, 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 Coralville is approximately 77%, 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 Coralville

In Coralville 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 Coralville.

Maximum UV Index Levels in Coralville for August

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

Data source: Coralville 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 Coralville Compares to Other Months

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

This table compares monthly weather conditions in Coralville, 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 (22°F)	48 mm (1.9 inches)	81%	moderate
February Weather	-4°C (24°F)	58 mm (2.3 inches)	81%	moderate
March Weather	4°C (39°F)	80 mm (3.2 inches)	81%	high
April Weather	9°C (49°F)	84 mm (3.3 inches)	82%	very high
May Weather	17°C (62°F)	139 mm (5.5 inches)	78%	very high
June Weather	23°C (74°F)	128 mm (5.0 inches)	81%	extreme
July Weather	25°C (77°F)	79 mm (3.1 inches)	79%	very high
August Weather	23°C (73°F)	83 mm (3.3 inches)	77%	very high
September Weather	20°C (68°F)	130 mm (5.1 inches)	78%	very high
October Weather	12°C (53°F)	135 mm (5.3 inches)	78%	high
November Weather	3°C (38°F)	50 mm (2.0 inches)	87%	moderate
December Weather	-1°C (31°F)	46 mm (1.8 inches)	84%	moderate