Last updated: August 23, 2025
In October, the average temperature in Fontaine-la-Guyon, France is a pleasant 12°C (54°F), with minimums down to 1°C (35°F) and maximums reaching 25°C (78°F). Expect about 73 mm (2.9 in) of precipitation over 11 days, contributing to an average humidity of 88%. Prepare for a mix of mild weather and occasional rain!
In October in Fontaine-la-Guyon, the average temperature is 12°C (54°F), with maximums reaching 25°C (78°F) and minimums dipping to as low as 1°C (35°F). Travelers should be prepared for a wide range of temperatures, making layered clothing essential for comfort.
In Fontaine-la-Guyon in October, the precipitation amount is 73 mm (2.9 in), spread over 11 days.
In Fontaine-la-Guyon in October, humidity is 88%. With an average temperature of 12°C (54°F), this humidity feels like a thick, damp blanket, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat even in cooler weather.
In Fontaine-la-Guyon 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 Fontaine-la-Guyon for better planning.
UV Risk Categories
Weather in Fontaine-la-Guyon varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Fontaine-la-Guyon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 47 mm (1.8 inches) | 91% | low |
| February Weather | 6°C (43°F) | 58 mm (2.3 inches) | 89% | moderate |
| March Weather | 8°C (46°F) | 70 mm (2.8 inches) | 85% | moderate |
| April Weather | 10°C (51°F) | 33 mm (1.3 inches) | 84% | high |
| May Weather | 13°C (56°F) | 81 mm (3.2 inches) | 82% | very high |
| June Weather | 18°C (64°F) | 83 mm (3.3 inches) | 80% | very high |
| July Weather | 20°C (68°F) | 36 mm (1.4 inches) | 73% | very high |
| August Weather | 19°C (67°F) | 53 mm (2.1 inches) | 68% | very high |
| September Weather | 16°C (61°F) | 44 mm (1.7 inches) | 76% | high |
| October Weather | 12°C (54°F) | 73 mm (2.9 inches) | 88% | moderate |
| November Weather | 7°C (46°F) | 64 mm (2.5 inches) | 92% | low |
| December Weather | 6°C (43°F) | 86 mm (3.4 inches) | 93% | low |