Last updated: June 24, 2025
In May, the average temperature in Kewanee, United States hovers around 17°C (63°F). However, be prepared for a range of temperatures, with minimums dipping to -1°C (31°F) and maximums soaring to 34°C (94°F). This month also brings 154 mm (6.1 in) of precipitation over 15 days, resulting in an average humidity of 78%.
In May in Kewanee, the average temperature is 17°C (63°F), with maximums reaching 34°C (94°F) and minimums dropping as low as -1°C (31°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!
In Kewanee in May, the precipitation amount is 154 mm (6.1 in) over the course of 15 days.
In Kewanee in May, humidity is 78%. With an average temperature of 17°C (63°F), this humidity feels like a warm, enveloping blanket, making traveling slightly uncomfortable as you navigate the sticky air, prompting the need for frequent breaks in cooler, shaded areas.
In Kewanee in May, 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 Kewanee.
UV Risk Categories
Weather in Kewanee varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Kewanee, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -4°C (25°F) | 56 mm (2.2 inches) | 81% | moderate |
February Weather | -3°C (27°F) | 63 mm (2.5 inches) | 81% | moderate |
March Weather | 5°C (41°F) | 101 mm (4.0 inches) | 81% | high |
April Weather | 10°C (50°F) | 116 mm (4.6 inches) | 82% | very high |
May Weather | 17°C (63°F) | 154 mm (6.1 inches) | 78% | very high |
June Weather | 23°C (74°F) | 154 mm (6.1 inches) | 81% | extreme |
July Weather | 25°C (77°F) | 100 mm (3.9 inches) | 79% | very high |
August Weather | 23°C (74°F) | 70 mm (2.8 inches) | 77% | very high |
September Weather | 20°C (69°F) | 106 mm (4.2 inches) | 78% | very high |
October Weather | 12°C (55°F) | 127 mm (5.0 inches) | 78% | high |
November Weather | 4°C (39°F) | 53 mm (2.1 inches) | 87% | moderate |
December Weather | 0°C (33°F) | 49 mm (1.9 inches) | 84% | low |