Climate almanac
East Gwillimbury
Ontario, Canada · 44.10°, -79.44°
What is the climate like in East Gwillimbury?
The best time to visit East Gwillimbury is typically June – September, with trip comfort peaking in September (7.1/10). East Gwillimbury is warmest in July, when daily highs average 81°F (27°C), and coolest in January, when lows fall to about 16°F (-9°C). The wettest month is typically June and the driest is September; the year sees roughly 36 in (924 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in September (7.1/10)
- Warmest monthJuly — average high 81°F (27°C)
- Coolest monthJanuary — average low 16°F (-9°C)
- Wettest monthJune (3.8 in (97 mm))
- Driest monthSeptember (2.3 in (60 mm))
- Annual precipitation36 in (924 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromBaldwin, 21 km away (2004-2024)