Montgomery County Climate
Montgomery County, Missouri
Avg Annual Temp
54.5°F
Annual Precip
41.5"
Annual Snowfall
—
Extreme Heat Days
30.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
DryWet
2.4"
2.2"
2.6"
4.6"
5.1"
4.5"
3.9"
3.5"
3.5"
3.2"
3.5"
2.4"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Seasonal Overview
National Comparison
Warmer than 50% of US counties
Wetter than 49% of US counties
More seasonal variation than 72% of US counties
Frequently Asked Questions
What is the average temperature in Montgomery County?
The average annual temperature in Montgomery County, MO is 54.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Montgomery County get?
Montgomery County receives an average of 41.5 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Montgomery County get in summer?
The average summer temperature (June-August) in Montgomery County is 75.3°F. The county experiences an average of 30.6 days per year above 90°F.
How cold are winters in Montgomery County?
The average winter temperature (December-February) in Montgomery County is 32.3°F. January, typically the coldest month, averages 29.3°F.
Track your own weather in Montgomery County
Ambient Weather personal weather stations give you hyperlocal climate data.
Sponsored
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.