Last updated: August 23, 2025
In May, the average temperature in Mont-Saint-Jean, France hovers around 14°C (57°F), creating a temperate atmosphere for visitors. Expect temperatures to range from a chilly 0°C (32°F) at night to a warm 29°C (84°F) during the day. Rain is likely, with an average precipitation of 75 mm (2.9 in) spread across 12 days, all while maintaining a relatively high average humidity of 82%.
In May in Mont-Saint-Jean, the average temperature is 14°C (57°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 0°C (32°F). Be prepared for a range of weather conditions while traveling during this time.
In Mont-Saint-Jean in May, the total precipitation amount is 75 mm (2.9 in) over the course of 12 days.
In Mont-Saint-Jean in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.
In Mont-Saint-Jean 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 Mont-Saint-Jean.
UV Risk Categories
Weather in Mont-Saint-Jean varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mont-Saint-Jean, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 53 mm (2.1 inches) | 91% | low |
| February Weather | 6°C (43°F) | 63 mm (2.5 inches) | 89% | moderate |
| March Weather | 8°C (47°F) | 69 mm (2.7 inches) | 85% | moderate |
| April Weather | 11°C (52°F) | 43 mm (1.7 inches) | 84% | high |
| May Weather | 14°C (57°F) | 75 mm (2.9 inches) | 82% | very high |
| June Weather | 18°C (64°F) | 93 mm (3.7 inches) | 80% | very high |
| July Weather | 20°C (68°F) | 41 mm (1.6 inches) | 73% | very high |
| August Weather | 19°C (66°F) | 53 mm (2.1 inches) | 68% | very high |
| September Weather | 16°C (61°F) | 46 mm (1.8 inches) | 76% | high |
| October Weather | 12°C (55°F) | 88 mm (3.5 inches) | 88% | moderate |
| November Weather | 8°C (46°F) | 78 mm (3.1 inches) | 92% | low |
| December Weather | 6°C (44°F) | 98 mm (3.9 inches) | 93% | low |