Montgomery County Climate
Montgomery County, Ohio
Avg Annual Temp
53.8°F
Annual Precip
41.3"
Annual Snowfall
18.6"
Extreme Heat Days
23.333333333333332
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Montgomery County Weather
Montgomery's Elevated Thermal Profile
With an annual average of 53.8°F, Montgomery County is warmer than most Midwestern counterparts and the national median. This climate supports active outdoor lifestyles for much of the year.
One of Ohio's Warmest Counties
The county’s average temperature sits well above the state norm of 51.5°F. This warmth is driven by high summer peaks and relatively stable winter temperatures.
Standard Precipitation for Southwest Ohio
Montgomery receives 41.3 inches of rain and snow annually, nearly identical to the state average of 41.2 inches. It maintains a consistent moisture balance compared to its drier neighbors to the west.
Intense Summer Heat and Moderate Snow
Summer is rigorous here, with 23 days reaching 90°F or higher and a July average of 75.9°F. Winters are manageable, bringing 18.6 inches of snow and a January average of 29.4°F.
Invest in Cooling Capacity
The 23 extreme heat days make high-quality air conditioning a necessity rather than a luxury. Residents should also be prepared for moderate winter snowfall that occasionally impacts local travel.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.