February Weather in Onalaska, United States

Last updated: June 24, 2025

In February, the average temperature in Onalaska, United States hovers around -7°C (20°F), with extreme variations possible. Temperatures can plummet to a chilling -35°C (-31°F), while occasionally reaching a milder 17°C (63°F). Expect about 49 mm (1.9 in) of precipitation over approximately 7 days, with humidity levels averaging around 85%, creating a crisp and potentially damp atmosphere.

February Temperature in Onalaska

In February in Onalaska, the average temperature is -7°C (20°F). The maximum can reach 17°C (63°F), while the minimum can drop to as low as -35°C (-31°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to enjoy their visit.

February Weather in Onalaska: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in Onalaska, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onalaska, February typically has an average temperature of -7°C (20°F), with highs reaching up to 17°C (63°F) and lows dropping to around -35°C (-31°F).

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

February Precipitation in Onalaska

In Onalaska in February, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

February Precipitation Trends in Onalaska

The chart displays monthly precipitation patterns in Onalaska, 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 Onalaska, February typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 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 Onalaska

In Onalaska in February humidity is 85%. With an average temperature of -7°C (20°F), this humidity feels like an icy breath that clings to your skin, making travel challenging as the cold seeps into your bones while you navigate through the damp air.

February Average Humidity in Onalaska

This chart illustrates the average monthly humidity levels in Onalaska, 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 Onalaska is approximately 85%, 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 Onalaska

In Onalaska in February, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Onalaska for better planning.

Maximum UV Index Levels in Onalaska for February

The chart shows the monthly maximum UV Index (UVI) for Onalaska 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 Onalaska typically reaches 4, which falls under the moderate exposure category.

Data source: Onalaska 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 Onalaska Compares to Other Months

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

This table compares monthly weather conditions in Onalaska, 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 (19°F)	35 mm (1.4 inches)	84%	low
February Weather	-7°C (20°F)	49 mm (1.9 inches)	85%	moderate
March Weather	2°C (35°F)	57 mm (2.2 inches)	84%	moderate
April Weather	7°C (45°F)	86 mm (3.4 inches)	83%	very high
May Weather	15°C (59°F)	142 mm (5.6 inches)	75%	very high
June Weather	21°C (71°F)	139 mm (5.5 inches)	79%	very high
July Weather	23°C (74°F)	101 mm (4.0 inches)	75%	very high
August Weather	21°C (70°F)	127 mm (5.0 inches)	69%	very high
September Weather	18°C (64°F)	109 mm (4.3 inches)	74%	high
October Weather	10°C (50°F)	118 mm (4.6 inches)	79%	moderate
November Weather	2°C (35°F)	53 mm (2.1 inches)	88%	moderate
December Weather	-3°C (26°F)	44 mm (1.7 inches)	82%	low