August Weather in Saint Paul, United States

Last updated: June 24, 2025

In August, the average temperature in Saint Paul, United States is a comfortable 23°C (74°F). However, residents can experience a minimum of 8°C (47°F) and a maximum of 36°C (96°F). Expect 84 mm (3.3 in) of precipitation spread over about 10 days, with humidity levels averaging a noticeably high 84%. Plan accordingly to enjoy your time!

August Temperature in Saint Paul

In August in Saint Paul, the average temperature is 23°C (74°F). Maximums can reach 36°C (96°F), and minimums can be as low as 8°C (47°F). This makes it a great time for travel, as you'll experience warm weather with the possibility of cooler evenings.

August Weather in Saint Paul: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Saint Paul, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Paul, August typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (96°F) and lows dropping to around 8°C (47°F).

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

August Precipitation in Saint Paul

In Saint Paul in August, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

August Precipitation Trends in Saint Paul

The chart displays monthly precipitation patterns in Saint Paul, 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 Saint Paul, August typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 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 Saint Paul

In Saint Paul in August, humidity is 84%. With an average temperature of 23°C (74°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel sticky and heavy, while the air's thickness can be quite exhausting for long periods of travel.

August Average Humidity in Saint Paul

This chart illustrates the average monthly humidity levels in Saint Paul, 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 Saint Paul is approximately 84%, 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 Saint Paul

In Saint Paul 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 Saint Paul.

Maximum UV Index Levels in Saint Paul for August

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

Data source: Saint Paul 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 Saint Paul Compares to Other Months

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

This table compares monthly weather conditions in Saint Paul, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	25 mm (1.0 inches)	73%	moderate
February Weather	-4°C (25°F)	18 mm (0.7 inches)	81%	moderate
March Weather	4°C (40°F)	86 mm (3.4 inches)	69%	high
April Weather	9°C (49°F)	56 mm (2.2 inches)	71%	very high
May Weather	16°C (61°F)	144 mm (5.7 inches)	80%	very high
June Weather	23°C (74°F)	85 mm (3.3 inches)	83%	extreme
July Weather	25°C (77°F)	66 mm (2.6 inches)	84%	very high
August Weather	23°C (74°F)	84 mm (3.3 inches)	84%	very high
September Weather	20°C (68°F)	57 mm (2.2 inches)	77%	very high
October Weather	10°C (51°F)	88 mm (3.5 inches)	72%	high
November Weather	4°C (40°F)	21 mm (0.8 inches)	80%	moderate
December Weather	-1°C (30°F)	41 mm (1.6 inches)	79%	moderate