Longueuil

What is the climate like in Longueuil?

The best time to visit Longueuil is typically September, the year's most comfortable month (6.8/10). Longueuil is warmest in July, when daily highs average 81°F (27°C), and coolest in January, when lows fall to about 12°F (-11°C). The wettest month is typically October and the driest is September; the year sees roughly 48 in (1231 mm) of precipitation.

• Best time to visitSeptember — the year's comfort peak (6.8/10)
• Warmest monthJuly — average high 81°F (27°C)
• Coolest monthJanuary — average low 12°F (-11°C)
• Wettest monthOctober (5.1 in (130 mm))
• Driest monthSeptember (2.8 in (72 mm))
• Annual precipitation48 in (1231 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromLaprairie, 15 km away (1963-2024)