Sarnia

What is the climate like in Sarnia?

The best time to visit Sarnia is typically June – September, with trip comfort peaking in September (7.2/10). Sarnia is warmest in July, when daily highs average 80°F (27°C), and coolest in January, when lows fall to about 22°F (-5°C). The wettest month is typically July and the driest is November; the year sees roughly 36 in of precipitation.

• Best time to visitJune – September — comfort peaks in September (7.2/10)
• Warmest monthJuly — average high 80°F (27°C)
• Coolest monthJanuary — average low 22°F (-5°C)
• Wettest monthJuly (3.6 in)
• Driest monthNovember (2.3 in)
• Annual precipitation36 in