February Weather in Onalaska, United States

Last updated: June 24, 2025

In February, the average temperature in Onalaska, United States hovers around 4°C (39°F). Expect chilly days with minimum temperatures plummeting to -8°C (18°F) and maximums reaching up to 15°C (59°F). This month, anticipate 196 mm (7.7 in) of precipitation spread across 19 days, contributing to the region's notable average humidity of 84%.

February Temperature in Onalaska

In February in Onalaska, the average temperature is 4°C (39°F). The maximum can reach 15°C (59°F) and the minimum can be as low as -8°C (18°F). Travelers should be prepared for chilly conditions and dress in layers to stay warm while exploring the area.

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 4°C (39°F), with highs reaching up to 15°C (59°F) and lows dropping to around -8°C (18°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 196 mm (7.7 in) over the course of 19 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 196 mm (7.7 inches) of precipitation spread over approximately 19 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 84%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions uncomfortable and demanding more layers than you anticipate while traveling.

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 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 Onalaska

In Onalaska in February, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Onalaska, you can check the information here.

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 3, 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	5°C (41°F)	188 mm (7.4 inches)	86%	low
February Weather	4°C (39°F)	196 mm (7.7 inches)	84%	moderate
March Weather	6°C (44°F)	151 mm (5.9 inches)	85%	moderate
April Weather	9°C (49°F)	129 mm (5.1 inches)	83%	high
May Weather	13°C (55°F)	80 mm (3.2 inches)	84%	very high
June Weather	15°C (60°F)	62 mm (2.4 inches)	84%	very high
July Weather	18°C (65°F)	12 mm (0.5 inches)	82%	very high
August Weather	19°C (66°F)	15 mm (0.6 inches)	73%	very high
September Weather	16°C (60°F)	86 mm (3.4 inches)	74%	high
October Weather	10°C (50°F)	149 mm (5.9 inches)	83%	moderate
November Weather	7°C (44°F)	187 mm (7.3 inches)	86%	moderate
December Weather	4°C (40°F)	202 mm (8.0 inches)	87%	low