Last updated: June 24, 2025
In May, the average temperature in Isle, United States hovers around 13°C (55°F). Expect a comfortable range, with minimums dipping to -1°C (31°F) and maximums soaring up to 32°C (90°F). However, be prepared for a touch of rain, as the area receives about 79 mm (3.1 in) of precipitation over approximately 11 days. The average humidity during this period stands at a notable 76%, adding a bit of mugginess to the atmosphere.
In May in Isle, the average temperature is 13°C (55°F), with maximums reaching 32°C (90°F) and minimums dropping to -1°C (31°F). This range of temperatures offers travelers a perfect opportunity to experience a variety of outdoor activities, from enjoying pleasant daytime outings to cozy evenings.
In Isle in May, the total precipitation amount is 79 mm (3.1 in), falling over the course of 11 days.
In Isle in May humidity is 76%. With an average temperature of 13°C (55°F), this humidity feels like a damp, heavy blanket enveloping you, making it feel cooler than it actually is, which can be quite refreshing for short excursions but may also lead to discomfort during prolonged outdoor activities.
In Isle in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Isle.
UV Risk Categories
Weather in Isle varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Isle, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -11°C (13°F) | 20 mm (0.8 inches) | 92% | low |
| February Weather | -11°C (13°F) | 26 mm (1.0 inches) | 93% | moderate |
| March Weather | -2°C (29°F) | 46 mm (1.8 inches) | 88% | moderate |
| April Weather | 3°C (39°F) | 77 mm (3.0 inches) | 83% | high |
| May Weather | 13°C (55°F) | 79 mm (3.1 inches) | 76% | very high |
| June Weather | 20°C (68°F) | 85 mm (3.3 inches) | 76% | very high |
| July Weather | 22°C (73°F) | 100 mm (3.9 inches) | 76% | very high |
| August Weather | 20°C (69°F) | 114 mm (4.5 inches) | 77% | very high |
| September Weather | 16°C (62°F) | 107 mm (4.2 inches) | 77% | high |
| October Weather | 8°C (46°F) | 130 mm (5.1 inches) | 82% | moderate |
| November Weather | -1°C (30°F) | 37 mm (1.5 inches) | 87% | moderate |
| December Weather | -7°C (20°F) | 56 mm (2.2 inches) | 89% | low |