Last updated: August 23, 2025
In Saint-Jean-d'Illac, France, the average temperature for May hovers around 17°C (62°F). However, temperatures can swing significantly, ranging from a brisk 1°C (35°F) to a sweltering 35°C (95°F). During this month, expect around 125 mm (4.9 in) of precipitation spread over 14 days, contributing to an average humidity level of 82%. Stay prepared for varied weather!
In May in Saint-Jean-d'Illac, the average temperature is 17°C (62°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 1°C (35°F). This wide range of temperatures suggests travelers should be prepared for both warm days and cool evenings.
In Saint-Jean-d'Illac in May, the precipitation amount is 125 mm (4.9 in) over the course of 14 days.
In Saint-Jean-d'Illac in May, humidity is 82%. With an average temperature of 17°C (62°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and the air thicker, which can be quite exhausting for traveling.
In Saint-Jean-d'Illac 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 Saint-Jean-d'Illac.
UV Risk Categories
Weather in Saint-Jean-d'Illac varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Saint-Jean-d'Illac, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (44°F) | 60 mm (2.4 inches) | 85% | low |
| February Weather | 9°C (48°F) | 64 mm (2.5 inches) | 83% | moderate |
| March Weather | 11°C (51°F) | 73 mm (2.9 inches) | 82% | high |
| April Weather | 13°C (56°F) | 66 mm (2.6 inches) | 82% | high |
| May Weather | 17°C (62°F) | 125 mm (4.9 inches) | 82% | very high |
| June Weather | 20°C (68°F) | 97 mm (3.8 inches) | 80% | very high |
| July Weather | 22°C (72°F) | 47 mm (1.8 inches) | 76% | very high |
| August Weather | 22°C (71°F) | 46 mm (1.8 inches) | 73% | very high |
| September Weather | 19°C (67°F) | 58 mm (2.3 inches) | 76% | high |
| October Weather | 15°C (59°F) | 70 mm (2.8 inches) | 81% | moderate |
| November Weather | 10°C (50°F) | 78 mm (3.1 inches) | 83% | moderate |
| December Weather | 8°C (47°F) | 125 mm (4.9 inches) | 85% | low |