August Weather in Fergus Falls, United States

Last updated: June 24, 2025

In Fergus Falls, United States, the average temperature in August hovers around 20°C (69°F), offering a comfortable climate for exploration. However, temperatures can vary significantly, ranging from a cool 7°C (45°F) to a warm 33°C (91°F). Expect some rain, with an average precipitation of 124 mm (4.9 in) spread over approximately 12 days. The air tends to be quite humid, with an average humidity level of 78%, making it an ideal time to experience the rich culture and natural beauty of the region!

August Temperature in Fergus Falls

In August in Fergus Falls, the average temperature is 20°C (69°F). Maximums can reach 33°C (91°F), and minimums can drop as low as 7°C (45°F). It's a great time to pack for both warm sunny days and cooler evenings while exploring the area.

August Weather in Fergus Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Fergus Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fergus Falls, August typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (91°F) and lows dropping to around 7°C (45°F).

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

August Precipitation in Fergus Falls

In Fergus Falls in August, the total precipitation amount is 124 mm (4.9 in) over a span of 12 days.

August Precipitation Trends in Fergus Falls

The chart displays monthly precipitation patterns in Fergus Falls, 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 Fergus Falls, August typically receives around 124 mm (4.9 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 Fergus Falls

In Fergus Falls in August, humidity is 78%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick and heavy, urging you to seek out shaded areas and refreshing drinks.

August Average Humidity in Fergus Falls

This chart illustrates the average monthly humidity levels in Fergus Falls, 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 Fergus Falls is approximately 78%, 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 Fergus Falls

In Fergus Falls in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Fergus Falls.

Maximum UV Index Levels in Fergus Falls for August

The chart shows the monthly maximum UV Index (UVI) for Fergus Falls 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 Fergus Falls typically reaches 8, which falls under the very high exposure category.

Data source: Fergus Falls 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 Fergus Falls Compares to Other Months

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

This table compares monthly weather conditions in Fergus Falls, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-11°C (12°F)	19 mm (0.7 inches)	90%	low
February Weather	-12°C (11°F)	22 mm (0.9 inches)	92%	moderate
March Weather	-2°C (29°F)	33 mm (1.3 inches)	85%	moderate
April Weather	4°C (40°F)	61 mm (2.4 inches)	81%	high
May Weather	14°C (57°F)	71 mm (2.8 inches)	75%	very high
June Weather	21°C (70°F)	68 mm (2.7 inches)	79%	very high
July Weather	23°C (73°F)	100 mm (3.9 inches)	76%	very high
August Weather	20°C (69°F)	124 mm (4.9 inches)	78%	very high
September Weather	16°C (61°F)	94 mm (3.7 inches)	77%	high
October Weather	7°C (45°F)	90 mm (3.5 inches)	79%	moderate
November Weather	-1°C (30°F)	23 mm (0.9 inches)	86%	moderate
December Weather	-7°C (19°F)	41 mm (1.6 inches)	86%	low