Grez-Doiceau

What is the climate like in Grez-Doiceau?

The best time to visit Grez-Doiceau is typically July – August, with trip comfort peaking in July (6.9/10). Grez-Doiceau is warmest in August, when daily highs average 74°F (23°C), and coolest in January, when lows fall to about 35°F (2°C). The wettest month is typically January and the driest is April; the year sees roughly 35 in (887 mm) of precipitation.

• Best time to visitJuly – August — comfort peaks in July (6.9/10)
• Warmest monthAugust — average high 74°F (23°C)
• Coolest monthJanuary — average low 35°F (2°C)
• Wettest monthJanuary (3.5 in (88 mm))
• Driest monthApril (2.1 in (53 mm))
• Annual precipitation35 in (887 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromUccle, 25 km away (1833-2026)