Sunbury

What is the climate like in Sunbury?

The best time to visit Sunbury is typically August – September, with trip comfort peaking in September (7.1/10). Sunbury is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 24°F (-4°C). The wettest month is typically May and the driest is August; the year sees roughly 48 in (1215 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in September (7.1/10)
• Warmest monthJuly — average high 84°F (29°C)
• Coolest monthJanuary — average low 24°F (-4°C)
• Wettest monthMay (5.0 in (128 mm))
• Driest monthAugust (3.0 in (76 mm))
• Annual precipitation48 in (1215 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromWesterville, 15 km away (1952-2026)