Last updated: August 23, 2025
In October, the average temperature in Saint-Louis, France hovers around 11°C (51°F), with a minimum that can dip to -1°C (30°F) and a maximum reaching 24°C (76°F). Expect a precipitation amount of 92 mm (3.6 in) over 14 days, coupled with an average humidity level of 89%.
In October in Saint-Louis, the average temperature is 11°C (51°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -1°C (30°F). Overall, it's a month that offers a mix of mild and chilly weather, so travelers should be prepared for varying conditions.
In Saint-Louis in October, the precipitation amount is 92 mm (3.6 in) over the course of 14 days.
In Saint-Louis in October, humidity is 89%. With an average temperature of 11°C (51°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and every breath a little more laborious, creating a challenging environment for travelers.
In Saint-Louis in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Saint-Louis for better planning.
UV Risk Categories
Weather in Saint-Louis varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Saint-Louis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (35°F) | 94 mm (3.7 inches) | 91% | low |
| February Weather | 4°C (39°F) | 77 mm (3.0 inches) | 89% | moderate |
| March Weather | 6°C (43°F) | 91 mm (3.6 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 62 mm (2.4 inches) | 84% | high |
| May Weather | 13°C (56°F) | 133 mm (5.2 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 125 mm (4.9 inches) | 82% | very high |
| July Weather | 20°C (68°F) | 117 mm (4.6 inches) | 82% | very high |
| August Weather | 20°C (68°F) | 115 mm (4.5 inches) | 77% | very high |
| September Weather | 16°C (60°F) | 67 mm (2.6 inches) | 81% | high |
| October Weather | 11°C (51°F) | 92 mm (3.6 inches) | 89% | moderate |
| November Weather | 5°C (41°F) | 79 mm (3.1 inches) | 89% | low |
| December Weather | 3°C (38°F) | 129 mm (5.1 inches) | 91% | low |