October Weather in Onalaska, United States

Last updated: June 24, 2025

In October, the average temperature in Onalaska, United States hovers around 10°C (50°F), with a minimum drop to -4°C (25°F) and a maximum reaching 24°C (76°F). Expect about 149 mm (5.9 in) of precipitation over 13 days, contributing to an average humidity of a humid 83%. Be prepared for varying weather conditions!

October Temperature in Onalaska

In October in Onalaska, the average temperature is 10°C (50°F), with maximums reaching 24°C (76°F) and minimums dropping as low as -4°C (25°F). Be prepared for a mix of mild and chilly weather, so it's wise to pack layers for your travels.

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

The chart illustrates October 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, October typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (76°F) and lows dropping to around -4°C (25°F).

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

October Precipitation in Onalaska

In Onalaska in October, the precipitation amount is 149 mm (5.9 in) spread over 13 days.

October Precipitation Trends in Onalaska

The chart displays monthly precipitation patterns in Onalaska, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Onalaska, October typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 13 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Onalaska

In Onalaska in October, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

October Average Humidity in Onalaska

This chart illustrates the average monthly humidity levels in Onalaska, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Onalaska is approximately 83%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Onalaska

In Onalaska in October, 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 Onalaska.

Maximum UV Index Levels in Onalaska for October

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

Data source: Onalaska October 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 October 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 October’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 October’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