Last updated: August 23, 2025
In Saint-Germain, France, the average temperature in May is a mild 14°C (57°F). However, be prepared for temperature swings, as it can drop to a chilly 0°C (32°F) or soar to a warm 30°C (87°F). Rain is also a possibility, with 119 mm (4.7 in) of precipitation expected over 14 days. Don't forget to consider the average humidity of 80%, which can add to the overall dampness of the month.
In May in Saint-Germain, the average temperature is 14°C (57°F), with maximums reaching 30°C (87°F) and minimums dropping as low as 0°C (32°F). This makes it a perfect time for travelers to experience a wide range of weather, so be sure to pack accordingly for both warm and cool conditions.
In Saint-Germain in May, the precipitation amount is 119 mm (4.7 in) over the course of 14 days.
In Saint-Germain in May, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.
In Saint-Germain 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-Germain.
UV Risk Categories
Weather in Saint-Germain varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Saint-Germain, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 132 mm (5.2 inches) | 91% | low |
| February Weather | 5°C (41°F) | 111 mm (4.4 inches) | 89% | moderate |
| March Weather | 7°C (45°F) | 123 mm (4.8 inches) | 87% | moderate |
| April Weather | 11°C (51°F) | 53 mm (2.1 inches) | 84% | high |
| May Weather | 14°C (57°F) | 119 mm (4.7 inches) | 80% | very high |
| June Weather | 19°C (67°F) | 85 mm (3.3 inches) | 82% | very high |
| July Weather | 21°C (69°F) | 64 mm (2.5 inches) | 82% | very high |
| August Weather | 20°C (69°F) | 46 mm (1.8 inches) | 77% | very high |
| September Weather | 16°C (61°F) | 59 mm (2.3 inches) | 81% | high |
| October Weather | 11°C (53°F) | 96 mm (3.8 inches) | 89% | moderate |
| November Weather | 6°C (43°F) | 96 mm (3.8 inches) | 89% | low |
| December Weather | 4°C (39°F) | 187 mm (7.4 inches) | 91% | low |