Last updated: August 22, 2025
In April, the average temperature in Seilles, Belgium hovers around 10°C (50°F). While you may experience a brisk minimum of -4°C (25°F), the mercury can rise to a pleasant 27°C (80°F) on warmer days. Expect 41 mm (1.6 in) of precipitation spread over 8 days, contributing to a notable average humidity of 85%.
In April, in Seilles, the average temperature is 10°C (50°F), with maximums reaching 27°C (80°F) and minimums dropping as low as -4°C (25°F). This means travelers should be prepared for a wide range of weather conditions, making layers essential for comfort during their visit.
In Seilles in April, the total precipitation amount is 41 mm (1.6 in) occurring over the course of 8 days.
In Seilles in April, humidity is 85%. With an average temperature of 10°C (50°F), this humidity feels like a heavy, damp blanket surrounding you, making travel feel sluggish and uncomfortable as you navigate through the thick, moist air.
In Seilles in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Seilles.
UV Risk Categories
Weather in Seilles varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Seilles, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 71 mm (2.8 inches) | 91% | low |
| February Weather | 5°C (41°F) | 74 mm (2.9 inches) | 89% | moderate |
| March Weather | 7°C (44°F) | 79 mm (3.1 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 41 mm (1.6 inches) | 85% | moderate |
| May Weather | 13°C (56°F) | 67 mm (2.6 inches) | 82% | high |
| June Weather | 18°C (64°F) | 79 mm (3.1 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 79 mm (3.1 inches) | 80% | very high |
| August Weather | 19°C (66°F) | 86 mm (3.4 inches) | 76% | high |
| September Weather | 15°C (59°F) | 65 mm (2.6 inches) | 82% | moderate |
| October Weather | 12°C (53°F) | 84 mm (3.3 inches) | 89% | moderate |
| November Weather | 7°C (44°F) | 59 mm (2.3 inches) | 92% | low |
| December Weather | 5°C (41°F) | 108 mm (4.3 inches) | 92% | low |