June Weather in Onalaska, United States

Last updated: June 24, 2025

In June, the average temperature in Onalaska, United States hovers around 21°C (71°F). Expect a minimum of 8°C (47°F) and a maximum of 35°C (95°F). With an average precipitation of 139 mm (5.5 in) spread over 13 days, and a humidity level of 79%, prepare for a month of warm, tropical weather that invites both adventure and relaxation.

June Temperature in Onalaska

In June in Onalaska, the average temperature is 21°C (71°F). Maximum temperatures can reach 35°C (95°F), while minimum temperatures can drop as low as 8°C (47°F). This range makes Onalaska an ideal destination for travelers seeking a pleasant climate for outdoor activities and exploration.

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

The chart illustrates June 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, June typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (47°F).

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

June Precipitation in Onalaska

In Onalaska in June, the precipitation amount is 139 mm (5.5 in) over the course of 13 days.

June Precipitation Trends in Onalaska

The chart displays monthly precipitation patterns in Onalaska, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Onalaska, June typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Onalaska

In Onalaska in June humidity is 79%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and exhausting. Travelers should be prepared to hydrate frequently and take breaks in shaded areas to fully enjoy their time exploring.

June Average Humidity in Onalaska

This chart illustrates the average monthly humidity levels in Onalaska, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Onalaska is approximately 79%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Onalaska

In Onalaska in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Onalaska.

Maximum UV Index Levels in Onalaska for June

The chart shows the monthly maximum UV Index (UVI) for Onalaska in June, 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 June, the maximum UV index in Onalaska typically reaches 10, which falls under the very high exposure category.

Data source: Onalaska June 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 June 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 June’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 June’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