Last updated: August 23, 2025
In April, the average temperature in Courtois-sur-Yonne, France hovers around 11°C (52°F). While you might enjoy pleasant days, be prepared for fluctuations: temperatures can dip to a chilly -4°C (26°F) or warm up to a balmy 28°C (82°F). Expect about 33 mm (1.3 in) of precipitation spread over 6 days, contributing to a relatively high average humidity of 84%.
In April in Courtois-sur-Yonne, the average temperature is 11°C (52°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as -4°C (26°F). It's advisable to pack layers to stay comfortable during your travels.
In Courtois-sur-Yonne, in April, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.
In Courtois-sur-Yonne in April, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.
In Courtois-sur-Yonne in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Courtois-sur-Yonne, you can refer to this Hourly UV Index in Courtois-sur-Yonne.
UV Risk Categories
Weather in Courtois-sur-Yonne varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Courtois-sur-Yonne, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 76 mm (3.0 inches) | 91% | low |
| February Weather | 6°C (43°F) | 69 mm (2.7 inches) | 89% | moderate |
| March Weather | 8°C (47°F) | 77 mm (3.1 inches) | 86% | moderate |
| April Weather | 11°C (52°F) | 33 mm (1.3 inches) | 84% | high |
| May Weather | 15°C (58°F) | 81 mm (3.2 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 71 mm (2.8 inches) | 82% | very high |
| July Weather | 21°C (70°F) | 56 mm (2.2 inches) | 80% | very high |
| August Weather | 20°C (69°F) | 51 mm (2.0 inches) | 76% | very high |
| September Weather | 17°C (63°F) | 55 mm (2.2 inches) | 81% | high |
| October Weather | 13°C (55°F) | 84 mm (3.3 inches) | 88% | moderate |
| November Weather | 7°C (46°F) | 66 mm (2.6 inches) | 92% | low |
| December Weather | 6°C (43°F) | 114 mm (4.5 inches) | 93% | low |