Last updated: June 24, 2025
In Kankakee, United States, the average temperature in May hovers around 17°C (63°F), offering a pleasant climate for outdoor activities. However, temperatures can range from a brisk -2°C (29°F) to a sweltering 35°C (95°F), so be prepared for the swings! Expect 156 mm (6.1 in) of precipitation spread across 16 days, contributing to an average humidity level of 79%. Enjoy the varied weather!
In May in Kankakee, the average temperature is 17°C (63°F), with maximums that can reach 35°C (95°F) and minimums that can be as low as -2°C (29°F). This diverse temperature range makes Kankakee a unique destination, so travelers should be prepared for both warm and chilly conditions during their visit.
In Kankakee in May, the precipitation amount is 156 mm (6.1 in) spread over 16 days.
In Kankakee in May, humidity is 79%. With an average temperature of 17°C (63°F), this humidity feels like a warm, muggy embrace, making outdoor activities less comfortable and prompting travelers to seek shaded areas or cool refreshments more frequently.
In Kankakee in May, 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 Kankakee.
UV Risk Categories
Weather in Kankakee varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Kankakee, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 70 mm (2.7 inches) | 82% | moderate |
| February Weather | -2°C (30°F) | 73 mm (2.9 inches) | 83% | moderate |
| March Weather | 5°C (41°F) | 98 mm (3.9 inches) | 84% | high |
| April Weather | 10°C (51°F) | 119 mm (4.7 inches) | 85% | very high |
| May Weather | 17°C (63°F) | 156 mm (6.1 inches) | 79% | very high |
| June Weather | 23°C (74°F) | 117 mm (4.6 inches) | 82% | very high |
| July Weather | 25°C (76°F) | 96 mm (3.8 inches) | 80% | very high |
| August Weather | 23°C (74°F) | 95 mm (3.7 inches) | 81% | very high |
| September Weather | 21°C (69°F) | 73 mm (2.9 inches) | 80% | very high |
| October Weather | 13°C (56°F) | 130 mm (5.1 inches) | 82% | high |
| November Weather | 5°C (41°F) | 65 mm (2.5 inches) | 88% | moderate |
| December Weather | 1°C (35°F) | 58 mm (2.3 inches) | 84% | low |