Last updated: June 24, 2025
In DeWitt, United States, the average temperature in May hovers around 15°C (60°F). However, temperatures can vary significantly, with minimums dipping to -2°C (28°F) and soaring to a maximum of 36°C (96°F). Expect 125 mm (4.9 in) of precipitation spread over about 15 days, coupled with an average humidity of 80%, creating a uniquely damp atmosphere.
In May in DeWitt, the average temperature is 15°C (60°F), with maximums reaching up to 36°C (96°F) and minimums dropping as low as -2°C (28°F). This range suggests that travelers should be prepared for both warm and cool conditions, making versatile clothing essential for any outdoor activities.
In DeWitt in May, the precipitation amount is 125 mm (4.9 in) over a span of 15 days.
In DeWitt in May humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.
In DeWitt 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 DeWitt.
UV Risk Categories
Weather in DeWitt varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in DeWitt, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 65 mm (2.6 inches) | 88% | low |
| February Weather | -3°C (27°F) | 68 mm (2.7 inches) | 87% | moderate |
| March Weather | 3°C (37°F) | 68 mm (2.7 inches) | 85% | moderate |
| April Weather | 8°C (47°F) | 89 mm (3.5 inches) | 86% | very high |
| May Weather | 15°C (60°F) | 125 mm (4.9 inches) | 80% | very high |
| June Weather | 21°C (70°F) | 106 mm (4.2 inches) | 80% | very high |
| July Weather | 24°C (75°F) | 82 mm (3.2 inches) | 80% | very high |
| August Weather | 22°C (72°F) | 66 mm (2.6 inches) | 80% | very high |
| September Weather | 18°C (65°F) | 94 mm (3.7 inches) | 80% | high |
| October Weather | 12°C (53°F) | 118 mm (4.6 inches) | 84% | moderate |
| November Weather | 4°C (39°F) | 67 mm (2.6 inches) | 89% | moderate |
| December Weather | 0°C (32°F) | 59 mm (2.3 inches) | 86% | low |