Last updated: August 22, 2025
In April, the average temperature in Groot-Gelmen, Belgium hovers around 10°C (50°F). During this time, temperatures can dip as low as -4°C (26°F) and soar up to 28°C (82°F). Expect about 38 mm (1.5 in) of precipitation spread over roughly 8 days, paired with a high average humidity of 84%. Whether you're braving the chill or basking in warmth, be prepared for a dynamic climate!
In April in Groot-Gelmen, the average temperature is 10°C (50°F). Maximums can reach 28°C (82°F), while minimums can drop to as low as -4°C (26°F). Pack for a wide range of temperatures to ensure a comfortable experience while exploring the area.
In Groot-Gelmen in April, the total precipitation amount is 38 mm (1.5 in), spread over 8 days.
In Groot-Gelmen in April, humidity is 84%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and prompting travelers to seek refuge in cozy, warm cafes or indoor attractions.
In Groot-Gelmen 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 Groot-Gelmen.
UV Risk Categories
Weather in Groot-Gelmen varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Groot-Gelmen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 67 mm (2.7 inches) | 91% | low |
| February Weather | 5°C (41°F) | 74 mm (2.9 inches) | 90% | low |
| March Weather | 7°C (45°F) | 76 mm (3.0 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 38 mm (1.5 inches) | 84% | moderate |
| May Weather | 14°C (57°F) | 64 mm (2.5 inches) | 77% | high |
| June Weather | 18°C (65°F) | 84 mm (3.3 inches) | 74% | very high |
| July Weather | 19°C (66°F) | 81 mm (3.2 inches) | 72% | very high |
| August Weather | 19°C (66°F) | 89 mm (3.5 inches) | 71% | high |
| September Weather | 15°C (60°F) | 64 mm (2.5 inches) | 81% | moderate |
| October Weather | 12°C (54°F) | 87 mm (3.4 inches) | 88% | moderate |
| November Weather | 7°C (45°F) | 57 mm (2.2 inches) | 91% | low |
| December Weather | 5°C (42°F) | 103 mm (4.1 inches) | 92% | low |