Hamilton

What is the climate like in Hamilton?

The best time to visit Hamilton is typically August – October, with trip comfort peaking in September (7.4/10). Hamilton is warmest in July, when daily highs average 86°F (30°C), and coolest in January, when lows fall to about 26°F (-3°C). The wettest month is typically March and the driest is September; the year sees roughly 46 in (1172 mm) of precipitation.

• Best time to visitAugust – October — comfort peaks in September (7.4/10)
• Warmest monthJuly — average high 86°F (30°C)
• Coolest monthJanuary — average low 26°F (-3°C)
• Wettest monthMarch (4.8 in (121 mm))
• Driest monthSeptember (2.7 in (69 mm))
• Annual precipitation46 in (1172 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromFairfield, 6 km away (1985-2026)