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 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 September; the year sees roughly 44 in (1108 mm) of precipitation.

• Best time to visitAugust – October — comfort peaks in September (7.2/10)
• Warmest monthJuly — average high 84°F (29°C)
• Coolest monthJanuary — average low 24°F (-4°C)
• Wettest monthMay (4.6 in (117 mm))
• Driest monthSeptember (3.0 in (75 mm))
• Annual precipitation44 in (1108 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromDayton Mcd, 16 km away (1893-2021)