Last updated: August 27, 2025
In May, the average temperature in Courtelary, Switzerland hovers around 12°C (54°F). Temperatures can swing from a chilly -1°C (31°F) to a warm 29°C (84°F), making it essential to be prepared for the range. This month sees 172 mm (6.8 in) of precipitation, spread across 18 days, and with an average humidity of 80%, you can expect a notably damp atmosphere.
In May in Courtelary, the average temperature is 12°C (54°F). The maximum can reach 29°C (84°F) and the minimum can be as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling, as it can be quite warm during the day and chilly at night.
In Courtelary in May, the precipitation amount is 172 mm (6.8 in) during 18 days, indicating a relatively wet period for the area.
In Courtelary in May, humidity is 80%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket that wraps around you, making it feel much cooler and damp. Traveling in these conditions might leave you feeling chilly and slightly uncomfortable, as the moisture in the air clings to your skin and clothes, turning each step into a soggy endeavor.
In Courtelary 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 Courtelary.
UV Risk Categories
Weather in Courtelary varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Courtelary, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 112 mm (4.4 inches) | 91% | low |
| February Weather | 2°C (37°F) | 92 mm (3.6 inches) | 89% | moderate |
| March Weather | 5°C (41°F) | 114 mm (4.5 inches) | 87% | moderate |
| April Weather | 9°C (48°F) | 73 mm (2.9 inches) | 84% | high |
| May Weather | 12°C (54°F) | 172 mm (6.8 inches) | 80% | very high |
| June Weather | 17°C (63°F) | 164 mm (6.5 inches) | 82% | very high |
| July Weather | 18°C (65°F) | 158 mm (6.2 inches) | 82% | very high |
| August Weather | 18°C (65°F) | 157 mm (6.2 inches) | 77% | very high |
| September Weather | 14°C (58°F) | 91 mm (3.6 inches) | 81% | high |
| October Weather | 10°C (49°F) | 112 mm (4.4 inches) | 89% | moderate |
| November Weather | 4°C (40°F) | 94 mm (3.7 inches) | 89% | low |
| December Weather | 2°C (36°F) | 159 mm (6.2 inches) | 91% | low |