Last updated: June 24, 2025
In Rockford, United States, the average temperature for May is a pleasant 16°C (61°F). You can expect minimums dipping to 0°C (31°F) and soaring up to a warm 34°C (94°F). Prepare for some rain, as the region receives an average precipitation of 162 mm (6.4 in) over approximately 14 days. With an average humidity level of 74%, don't forget to stay hydrated and enjoy the climate!
In May in Rockford, the average temperature is 16°C (61°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 0°C (31°F). It's advisable to pack for both warm and cool conditions when traveling during this time.
In Rockford in May, the total precipitation amount is 162 mm (6.4 in) over the course of 14 days.
In Rockford in May humidity is 74%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making traveling quite uncomfortable as the air feels thick and muggy, potentially leading to fatigue and a longing for a cool breeze.
In Rockford 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 Rockford.
UV Risk Categories
Weather in Rockford varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Rockford, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -7°C (20°F) | 39 mm (1.5 inches) | 82% | moderate |
February Weather | -7°C (19°F) | 48 mm (1.9 inches) | 84% | moderate |
March Weather | 2°C (36°F) | 74 mm (2.9 inches) | 80% | moderate |
April Weather | 8°C (46°F) | 77 mm (3.0 inches) | 81% | very high |
May Weather | 16°C (61°F) | 162 mm (6.4 inches) | 74% | very high |
June Weather | 22°C (73°F) | 128 mm (5.0 inches) | 80% | extreme |
July Weather | 24°C (75°F) | 97 mm (3.8 inches) | 80% | very high |
August Weather | 22°C (71°F) | 115 mm (4.5 inches) | 77% | very high |
September Weather | 19°C (66°F) | 101 mm (4.0 inches) | 75% | very high |
October Weather | 10°C (50°F) | 125 mm (4.9 inches) | 80% | moderate |
November Weather | 2°C (36°F) | 49 mm (1.9 inches) | 87% | moderate |
December Weather | -2°C (28°F) | 36 mm (1.4 inches) | 83% | moderate |