August Weather in Pierre, United States

Last updated: June 24, 2025

In Pierre, United States, the average temperature in August hovers around 23°C (74°F), offering a pleasantly warm atmosphere. However, temperatures can vary significantly, with a minimum of 9°C (49°F) and soaring up to a maximum of 37°C (100°F). Expect around 53 mm (2.1 in) of precipitation spread over 8 days, contributing to an average humidity of 82%. Embrace the warmth, but be prepared for the occasional shower!

August Temperature in Pierre

In August in Pierre, the average temperature is 23°C (74°F). Maximums can reach 37°C (100°F) while minimums can drop as low as 9°C (49°F). Prepare for a variety of weather conditions and pack accordingly for your trip!

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

The chart illustrates August temperature patterns in Pierre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pierre, August typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (100°F) and lows dropping to around 9°C (49°F).

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

August Precipitation in Pierre

In Pierre in August, the total precipitation amount is 53 mm (2.1 in) over the course of 8 days.

August Precipitation Trends in Pierre

The chart displays monthly precipitation patterns in Pierre, 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 Pierre, August typically receives around 53 mm (2.1 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 Pierre

In Pierre in August, humidity is 82%. With an average temperature of 23°C (74°F), this humidity feels like you are walking through a warm, damp blanket, making travel a bit uncomfortable and sticky as you navigate the air thick with moisture.

August Average Humidity in Pierre

This chart illustrates the average monthly humidity levels in Pierre, 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 Pierre is approximately 82%, 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 Pierre

In Pierre 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 Pierre.

Maximum UV Index Levels in Pierre for August

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

Data source: Pierre 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 Pierre Compares to Other Months

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

This table compares monthly weather conditions in Pierre, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	15 mm (0.6 inches)	78%	low
February Weather	-7°C (19°F)	19 mm (0.8 inches)	81%	moderate
March Weather	1°C (34°F)	38 mm (1.5 inches)	71%	moderate
April Weather	7°C (44°F)	49 mm (1.9 inches)	73%	high
May Weather	15°C (59°F)	78 mm (3.1 inches)	75%	very high
June Weather	23°C (73°F)	62 mm (2.4 inches)	82%	very high
July Weather	25°C (78°F)	86 mm (3.4 inches)	83%	very high
August Weather	23°C (74°F)	53 mm (2.1 inches)	82%	very high
September Weather	19°C (66°F)	60 mm (2.3 inches)	73%	very high
October Weather	9°C (48°F)	54 mm (2.1 inches)	71%	moderate
November Weather	2°C (36°F)	11 mm (0.4 inches)	78%	moderate
December Weather	-3°C (27°F)	26 mm (1.0 inches)	76%	low