Last updated: August 22, 2025
In March, the average temperature in Grand-Hallet, Belgium hovers around 7°C (45°F). Expect a temperature range with a chilly minimum of -9°C (16°F) and a warming maximum of 23°C (74°F). During this time, the area sees approximately 74 mm (2.9 in) of precipitation spread across 15 days, contributing to a high average humidity of 87%.
In March in Grand-Hallet, the average temperature is 7°C (45°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -9°C (16°F). It's advisable to pack layers and be prepared for a wide range of temperatures while exploring this destination.
In Grand-Hallet in March, the precipitation amount is 74 mm (2.9 in) over the course of 15 days.
In Grand-Hallet in March, humidity is 87%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures somewhat uncomfortable and urging travelers to seek refuge in cozy cafes or warm indoor activities.
In Grand-Hallet in March, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Grand-Hallet for better planning.
UV Risk Categories
Weather in Grand-Hallet varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Grand-Hallet, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 65 mm (2.6 inches) | 91% | low |
| February Weather | 5°C (41°F) | 73 mm (2.9 inches) | 89% | low |
| March Weather | 7°C (45°F) | 74 mm (2.9 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 37 mm (1.5 inches) | 85% | moderate |
| May Weather | 13°C (56°F) | 65 mm (2.5 inches) | 82% | high |
| June Weather | 18°C (65°F) | 78 mm (3.1 inches) | 82% | very high |
| July Weather | 19°C (66°F) | 82 mm (3.2 inches) | 80% | very high |
| August Weather | 19°C (66°F) | 92 mm (3.6 inches) | 76% | high |
| September Weather | 15°C (60°F) | 62 mm (2.5 inches) | 82% | moderate |
| October Weather | 12°C (54°F) | 86 mm (3.4 inches) | 89% | moderate |
| November Weather | 7°C (45°F) | 57 mm (2.2 inches) | 92% | low |
| December Weather | 5°C (42°F) | 102 mm (4.0 inches) | 92% | low |