Last updated: August 23, 2025
In May, the average temperature in Sully-sur-Loire, France hovers around 15°C (59°F). However, temperatures can vary, with a minimum of 1°C (34°F) and a maximum of 32°C (90°F). Expect 83 mm (3.3 in) of precipitation spread over 12 days, contributing to a notably high average humidity of 83%.
In May in Sully-sur-Loire, the average temperature is 15°C (59°F). Maximums can reach 32°C (90°F) and minimums can drop as low as 1°C (34°F). This diverse weather makes Sully-sur-Loire an exciting destination for travelers looking to experience a mix of warmth and cooler temperatures.
In Sully-sur-Loire in May, the precipitation amount is 83 mm (3.3 in) distributed over the course of 12 days.
In Sully-sur-Loire in May humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.
In Sully-sur-Loire 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 Sully-sur-Loire.
UV Risk Categories
Weather in Sully-sur-Loire varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Sully-sur-Loire, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (40°F) | 67 mm (2.6 inches) | 90% | low |
| February Weather | 6°C (44°F) | 64 mm (2.5 inches) | 88% | moderate |
| March Weather | 9°C (48°F) | 72 mm (2.8 inches) | 85% | moderate |
| April Weather | 12°C (53°F) | 36 mm (1.4 inches) | 83% | high |
| May Weather | 15°C (59°F) | 83 mm (3.3 inches) | 83% | very high |
| June Weather | 20°C (67°F) | 67 mm (2.6 inches) | 79% | very high |
| July Weather | 21°C (71°F) | 48 mm (1.9 inches) | 71% | very high |
| August Weather | 21°C (70°F) | 40 mm (1.6 inches) | 68% | very high |
| September Weather | 17°C (64°F) | 52 mm (2.1 inches) | 76% | high |
| October Weather | 13°C (56°F) | 80 mm (3.1 inches) | 87% | moderate |
| November Weather | 8°C (46°F) | 66 mm (2.6 inches) | 91% | low |
| December Weather | 6°C (44°F) | 102 mm (4.0 inches) | 93% | low |