Last updated: June 24, 2025
In July, the average temperature in Onalaska, United States is a comfortable 18°C (65°F), with lows dipping to 8°C (46°F) and highs soaring up to 35°C (96°F). Expect a light precipitation of 12 mm (0.5 in) spread over just 2 days, while the air remains pleasantly humid at an average of 82%. Enjoy the variety this month brings!
In July in Onalaska, the average temperature is 18°C (65°F). Maximums can reach 35°C (96°F) and minimums can be as low as 8°C (46°F). This makes Onalaska a great destination for travelers looking to enjoy mild weather with options for warmer or cooler activities.
In Onalaska in July, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.
In Onalaska in July, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.
In Onalaska in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Onalaska.
UV Risk Categories
Weather in Onalaska varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Onalaska, focusing on differences in temperature, rainfall, humidity, and UV levels.
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 |