Climate almanac

Dayton

Ohio, US · 39.76°, -84.19°

+ Compare

What is the climate like in Dayton?

Dayton is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically May and the driest is September; the year sees roughly 45 in of precipitation.

  • Warmest monthJuly — average high 85°F (29°C)
  • Coolest monthJanuary — average low 25°F (-4°C)
  • Wettest monthMay (4.7 in)
  • Driest monthSeptember (3.0 in)
  • Annual precipitation45 in