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Montgomery County Climate

JanFebMarAprMayJunJulAugSepOctNovDec53.8°AVG °F

Avg Annual Temp

53.8°F

Annual Precip

41.3"

Annual Snowfall

18.6"

Extreme Heat Days

23

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.1"
2.3"
3.5"
4.4"
4.4"
4.5"
3.9"
3.0"
3.1"
3.0"
3.1"
3.1"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6b

Minimum winter temperature range for plant survival

Growing Degree Days

3,730

Supports most vegetables & fruits

Last spring frost (32°F): 04/17
First fall frost (32°F): 10/26

Seasonal Overview

Comfort ZoneSpring42°64°12.3"Summer73°76°11.3"Fall44°68°9.2"Winter29°34°8.5"20°40°60°80°100°

National Comparison

Warmer than 46% of US counties
Wetter than 49% of US counties
More seasonal variation than 67% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Montgomery County

Climate Verdict

Montgomery County has a mild, with an average annual temperature of 53.8°F, moderately wet with 41.3 inches of annual precipitation, occasional hot days — 23.333333333333332 per year above 90°F, light snow averaging 18.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 29.4°F. summers are warm — July averages 75.9°F. The 46°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Montgomery County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Montgomery County closely matches the Ohio statewide average temperature of 51.5°F.

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

What is the average temperature in Montgomery County?
The average annual temperature in Montgomery County, OH is 53.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Montgomery County get?
Montgomery County receives an average of 41.3 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Montgomery County?
Yes, Montgomery County receives an average of 18.6 inches of snowfall per year according to NOAA climate normals.
How hot does Montgomery County get in summer?
The average summer temperature (June-August) in Montgomery County is 74.3°F. The county experiences an average of 23 days per year above 90°F.
How cold are winters in Montgomery County?
The average winter temperature (December-February) in Montgomery County is 32.1°F. January, typically the coldest month, averages 29.4°F.

Track your own weather in Montgomery County

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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.

Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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