Last updated: August 23, 2025
In May, the average temperature in Saint-Jean, France is a pleasant 17°C (62°F). However, be prepared for a few surprises, as temperatures can drop to a minimum of 2°C (36°F) or soar to a maximum of 33°C (91°F). Expect 92 mm (3.6 in) of precipitation spread over about 12 days, and remember to stay hydrated, as the average humidity sits at a tropical 75%!
In May in Saint-Jean, the average temperature is 17°C (62°F). Maximums can reach 33°C (91°F) while minimums can drop as low as 2°C (36°F). Be prepared for a wide range of temperatures when traveling during this time.
In Saint-Jean in May, the precipitation amount is 92 mm (3.6 in) over the course of 12 days.
In Saint-Jean in May, humidity is 75%. With an average temperature of 17°C (62°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and a bit sluggish as they navigate the sights.
In Saint-Jean 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 Saint-Jean.
UV Risk Categories
Weather in Saint-Jean varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Saint-Jean, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 51 mm (2.0 inches) | 87% | low |
| February Weather | 9°C (48°F) | 59 mm (2.3 inches) | 83% | moderate |
| March Weather | 10°C (51°F) | 62 mm (2.4 inches) | 80% | high |
| April Weather | 13°C (56°F) | 64 mm (2.5 inches) | 77% | high |
| May Weather | 17°C (62°F) | 92 mm (3.6 inches) | 75% | very high |
| June Weather | 21°C (70°F) | 88 mm (3.5 inches) | 74% | very high |
| July Weather | 23°C (74°F) | 71 mm (2.8 inches) | 72% | very high |
| August Weather | 23°C (74°F) | 63 mm (2.5 inches) | 70% | very high |
| September Weather | 20°C (68°F) | 65 mm (2.5 inches) | 73% | high |
| October Weather | 15°C (59°F) | 59 mm (2.3 inches) | 82% | moderate |
| November Weather | 10°C (50°F) | 75 mm (3.0 inches) | 87% | moderate |
| December Weather | 8°C (46°F) | 99 mm (3.9 inches) | 88% | low |