February Weather in Sioux Falls, United States

Last updated: June 24, 2025

In February, the average temperature in Sioux Falls, United States hovers around -7°C (20°F), with extremes ranging from a frigid -27°C (-16°F) to a relatively mild 19°C (66°F). Expect 24 mm (0.9 in) of precipitation spread over 5 days, along with a high average humidity of 84%, creating a chilling yet engaging winter atmosphere.

February Temperature in Sioux Falls

In February in Sioux Falls, the average temperature is -7°C (20°F). The maximum can reach 19°C (66°F), and the minimum can be as low as -27°C (-16°F). Travelers should be prepared for a wide temperature range, from chilly days to surprisingly warm spells.

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

The chart illustrates February 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, February typically has an average temperature of -7°C (20°F), with highs reaching up to 19°C (66°F) and lows dropping to around -27°C (-16°F).

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

February Precipitation in Sioux Falls

In Sioux Falls in February, the precipitation amount is 24 mm (0.9 in) over the course of 5 days.

February Precipitation Trends in Sioux Falls

The chart displays monthly precipitation patterns in Sioux Falls, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In Sioux Falls, February typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 5 days.

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

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Millimeters (mm) Inches (in)

February Humidity in Sioux Falls

In Sioux Falls in February, humidity is 84%. With an average temperature of -7°C (20°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

February Average Humidity in Sioux Falls

This chart illustrates the average monthly humidity levels in Sioux Falls, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in Sioux Falls is approximately 84%, offering insight into how humid the weather typically is during this month.

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

February UV Index in Sioux Falls

In Sioux Falls in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sioux Falls.

Maximum UV Index Levels in Sioux Falls for February

The chart shows the monthly maximum UV Index (UVI) for Sioux Falls in February, 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 February, the maximum UV index in Sioux Falls typically reaches 5, which falls under the moderate exposure category.

Data source: Sioux Falls February 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 February 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 February’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 February’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