Union

What is the climate like in Union?

The best time to visit Union is typically August – October, with trip comfort peaking in September (7.2/10). Union is warmest in July, when daily highs average 86°F (30°C), and coolest in January, when lows fall to about 27°F (-3°C). The wettest month is typically July and the driest is October; the year sees roughly 48 in (1224 mm) of precipitation.

• Best time to visitAugust – October — comfort peaks in September (7.2/10)
• Warmest monthJuly — average high 86°F (30°C)
• Coolest monthJanuary — average low 27°F (-3°C)
• Wettest monthJuly (5.2 in (132 mm))
• Driest monthOctober (3.0 in (76 mm))
• Annual precipitation48 in (1224 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromCincinnati/northern Kentucky I, 11 km away (1948-2026)