Last updated: August 23, 2025
In May, the average temperature in Boulogne-sur-Gesse, France is a mild 16°C (60°F). However, you can expect a range of temperatures, with minimums dipping down to 1°C (35°F) and maximums soaring up to 31°C (88°F). Be prepared for some rain, as 111 mm (4.4 in) of precipitation typically falls over 16 days. With an average humidity of 75%, it’s advisable to embrace the warmth and bring an umbrella for those occasional showers!
In May in Boulogne-sur-Gesse, the average temperature is 16°C (60°F), with a maximum reaching 31°C (88°F) and a minimum dropping as low as 1°C (35°F). It's advisable to pack layers to accommodate the wide temperature range during your travels.
In Boulogne-sur-Gesse in May, the precipitation amount is 111 mm (4.4 in) occurring over the course of 16 days.
In Boulogne-sur-Gesse in May humidity is 75%. With an average temperature of 16°C (60°F), this humidity feels like a warm, muggy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration breaks while traveling.
In Boulogne-sur-Gesse 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 Boulogne-sur-Gesse.
UV Risk Categories
Weather in Boulogne-sur-Gesse varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Boulogne-sur-Gesse, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 82 mm (3.2 inches) | 87% | low |
| February Weather | 8°C (47°F) | 80 mm (3.1 inches) | 83% | moderate |
| March Weather | 10°C (50°F) | 81 mm (3.2 inches) | 80% | high |
| April Weather | 12°C (54°F) | 94 mm (3.7 inches) | 77% | high |
| May Weather | 16°C (60°F) | 111 mm (4.4 inches) | 75% | very high |
| June Weather | 19°C (67°F) | 112 mm (4.4 inches) | 74% | very high |
| July Weather | 21°C (71°F) | 75 mm (2.9 inches) | 72% | very high |
| August Weather | 21°C (71°F) | 68 mm (2.7 inches) | 70% | very high |
| September Weather | 18°C (66°F) | 74 mm (2.9 inches) | 73% | high |
| October Weather | 14°C (58°F) | 84 mm (3.3 inches) | 82% | moderate |
| November Weather | 9°C (48°F) | 98 mm (3.9 inches) | 87% | moderate |
| December Weather | 7°C (46°F) | 134 mm (5.3 inches) | 88% | low |