Halton Hills

What is the climate like in Halton Hills?

The best time to visit Halton Hills is typically June – September, with trip comfort peaking in September (7.1/10). Halton Hills is warmest in July, when daily highs average 80°F (27°C), and coolest in January, when lows fall to about 17°F (-8°C). The wettest month is typically April and the driest is September; the year sees roughly 37 in (943 mm) of precipitation.

• Best time to visitJune – September — comfort peaks in September (7.1/10)
• Warmest monthJuly — average high 80°F (27°C)
• Coolest monthJanuary — average low 17°F (-8°C)
• Wettest monthApril (3.8 in (98 mm))
• Driest monthSeptember (2.3 in (59 mm))
• Annual precipitation37 in (943 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGeorgetown Wwtp, 4 km away (1978-2024)