Climate almanac
Peterborough
Ontario, CA · 44.30°, -78.32°
What is the climate like in Peterborough?
The best time to visit Peterborough is typically June – September, with trip comfort peaking in September (6.9/10). Peterborough is warmest in July, when daily highs average 80°F (27°C), and coolest in January, when lows fall to about 15°F (-9°C). The wettest month is typically April and the driest is November; the year sees roughly 40 in of precipitation.
- Best time to visitJune – September — comfort peaks in September (6.9/10)
- Warmest monthJuly — average high 80°F (27°C)
- Coolest monthJanuary — average low 15°F (-9°C)
- Wettest monthApril (4.2 in)
- Driest monthNovember (2.7 in)
- Annual precipitation40 in