June Weather in Sioux Falls, United States

Last updated: June 24, 2025

In June, the average temperature in Sioux Falls, United States hovers around 23°C (73°F), but don't be surprised if it swings between a chilly 6°C (43°F) and a sweltering 36°C (98°F). Expect 85 mm (3.3 in) of precipitation spread across about 10 days, accompanied by a high average humidity of 81%, adding to the tropical feel of the season.

June Temperature in Sioux Falls

In June in Sioux Falls, the average temperature is 23°C (73°F). Maximum temperatures can reach 36°C (98°F), while the minimum can drop as low as 6°C (43°F). Be sure to pack accordingly to enjoy the diverse weather during your travels!

June Weather in Sioux Falls: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Sioux Falls, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sioux Falls, June typically has an average temperature of 23°C (73°F), with highs reaching up to 36°C (98°F) and lows dropping to around 6°C (43°F).

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

June Precipitation in Sioux Falls

In Sioux Falls in June, the precipitation amount is 85 mm (3.3 in) over the course of 10 days.

June Precipitation Trends in Sioux Falls

The chart displays monthly precipitation patterns in Sioux Falls, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Sioux Falls, June typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 10 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Sioux Falls

In Sioux Falls in June, humidity is 81%. With an average temperature of 23°C (73°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious while traveling and causing you to constantly seek out shade or a cool breeze for relief.

June Average Humidity in Sioux Falls

This chart illustrates the average monthly humidity levels in Sioux Falls, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Sioux Falls is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Sioux Falls

In Sioux Falls in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Sioux Falls.

Maximum UV Index Levels in Sioux Falls for June

The chart shows the monthly maximum UV Index (UVI) for Sioux Falls in June, 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 June, the maximum UV index in Sioux Falls typically reaches 11, which falls under the extreme exposure category.

Data source: Sioux Falls June 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 June Weather in Sioux Falls Compares to Other Months

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

This table compares monthly weather conditions in Sioux Falls, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	21 mm (0.8 inches)	80%	low
February Weather	-7°C (20°F)	24 mm (0.9 inches)	84%	moderate
March Weather	2°C (35°F)	65 mm (2.6 inches)	75%	moderate
April Weather	7°C (45°F)	82 mm (3.2 inches)	79%	very high
May Weather	15°C (59°F)	128 mm (5.0 inches)	74%	very high
June Weather	23°C (73°F)	85 mm (3.3 inches)	81%	extreme
July Weather	24°C (75°F)	77 mm (3.0 inches)	82%	very high
August Weather	22°C (72°F)	94 mm (3.7 inches)	80%	very high
September Weather	18°C (65°F)	107 mm (4.2 inches)	75%	very high
October Weather	9°C (48°F)	79 mm (3.1 inches)	77%	moderate
November Weather	1°C (35°F)	25 mm (1.0 inches)	85%	moderate
December Weather	-3°C (26°F)	39 mm (1.5 inches)	83%	low