Last updated: August 23, 2025
In May, the average temperature in Chatillon, Italy hovers around 4°C (40°F), with a minimum drop to -10°C (15°F) and a maximum rise to 17°C (63°F). Visitors should prepare for some wet weather, as the area receives about 136 mm (5.4 in) of precipitation over 19 days. With an average humidity of 78%, it's essential to dress in layers and carry an umbrella!
In May in Chatillon, the average temperature is 4°C (40°F), with maximums reaching 17°C (63°F) and minimums dipping as low as -10°C (15°F). For travelers, it’s advisable to pack layers to stay comfortable in the fluctuating temperatures.
In Chatillon in May, the precipitation amount is 136 mm (5.4 in) over the course of 19 days.
In Chatillon in May, humidity is 78%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities quite uncomfortable and travel less enjoyable as you navigate through the cold, damp air.
In Chatillon 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 Chatillon.
UV Risk Categories
Weather in Chatillon varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Chatillon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (15°F) | 94 mm (3.7 inches) | 91% | low |
| February Weather | -6°C (21°F) | 62 mm (2.4 inches) | 87% | moderate |
| March Weather | -4°C (25°F) | 91 mm (3.6 inches) | 84% | high |
| April Weather | 0°C (32°F) | 102 mm (4.0 inches) | 83% | very high |
| May Weather | 4°C (40°F) | 136 mm (5.4 inches) | 78% | very high |
| June Weather | 10°C (50°F) | 110 mm (4.3 inches) | 75% | very high |
| July Weather | 12°C (54°F) | 86 mm (3.4 inches) | 72% | very high |
| August Weather | 12°C (54°F) | 100 mm (4.0 inches) | 63% | very high |
| September Weather | 8°C (47°F) | 64 mm (2.5 inches) | 73% | high |
| October Weather | 3°C (38°F) | 142 mm (5.6 inches) | 89% | moderate |
| November Weather | -3°C (27°F) | 136 mm (5.3 inches) | 90% | moderate |
| December Weather | -8°C (18°F) | 123 mm (4.8 inches) | 90% | low |