Climate almanac
Greater Napanee
Ontario, Canada · 44.25°, -76.95°
What is the climate like in Greater Napanee?
The best time to visit Greater Napanee is typically June – September, with trip comfort peaking in September (7.1/10). Greater Napanee is warmest in July, when daily highs average 82°F (28°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 41 in (1037 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in September (7.1/10)
- Warmest monthJuly — average high 82°F (28°C)
- Coolest monthJanuary — average low 17°F (-8°C)
- Wettest monthApril (4.3 in (110 mm))
- Driest monthSeptember (2.6 in (67 mm))
- Annual precipitation41 in (1037 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromCentreville, 17 km away (1985-2024)