August Weather in Sisseton, United States

Last updated: June 24, 2025

In Sisseton, United States, the average temperature in August is a pleasant 21°C (70°F). Visitors can expect a range from a minimum of 8°C (47°F) to a maximum of 34°C (93°F). During this month, the region experiences a total precipitation of 129 mm (5.1 in) spread across 12 days, with an average humidity of 83%. Plan accordingly for a mix of warm and rainy days!

August Temperature in Sisseton

In August in Sisseton, the average temperature is 21°C (70°F). Maximums can reach 34°C (93°F), and minimums can be as low as 8°C (47°F). This climate makes Sisseton an ideal destination for travelers seeking pleasant weather and a mix of warm and cooler days.

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

The chart illustrates August temperature patterns in Sisseton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sisseton, August typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 8°C (47°F).

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

August Precipitation in Sisseton

In Sisseton in August, the total precipitation amount is 129 mm (5.1 in) over the course of 12 days.

August Precipitation Trends in Sisseton

The chart displays monthly precipitation patterns in Sisseton, 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 Sisseton, August typically receives around 129 mm (5.1 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 Sisseton

In Sisseton in August humidity is 83%. With an average temperature of 21°C (70°F), this humidity feels like you’re enveloped in a warm, tropical embrace, making it essential to stay hydrated and take breaks during your travels.

August Average Humidity in Sisseton

This chart illustrates the average monthly humidity levels in Sisseton, 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 Sisseton is approximately 83%, 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 Sisseton

In Sisseton 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 Sisseton.

Maximum UV Index Levels in Sisseton for August

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

Data source: Sisseton 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 Sisseton Compares to Other Months

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

This table compares monthly weather conditions in Sisseton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	20 mm (0.8 inches)	85%	moderate
February Weather	-10°C (13°F)	18 mm (0.7 inches)	89%	moderate
March Weather	-1°C (30°F)	37 mm (1.4 inches)	81%	high
April Weather	5°C (41°F)	57 mm (2.3 inches)	82%	high
May Weather	14°C (57°F)	77 mm (3.0 inches)	76%	very high
June Weather	21°C (70°F)	81 mm (3.2 inches)	81%	very high
July Weather	23°C (74°F)	88 mm (3.5 inches)	82%	very high
August Weather	21°C (70°F)	129 mm (5.1 inches)	83%	very high
September Weather	17°C (62°F)	81 mm (3.2 inches)	82%	high
October Weather	8°C (46°F)	79 mm (3.1 inches)	82%	moderate
November Weather	0°C (32°F)	22 mm (0.9 inches)	87%	moderate
December Weather	-5°C (23°F)	38 mm (1.5 inches)	84%	low