weatherbycounty

Jackson County Climate

Jackson County, Missouri

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec54.2°AVG °F

Avg Annual Temp

54.2°F

Annual Precip

42.3"

Annual Snowfall

10.9"

Extreme Heat Days

33

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.3"
1.7"
2.6"
4.3"
5.9"
5.3"
4.8"
4.8"
4.1"
3.5"
2.3"
1.7"
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

3,902

Supports most vegetables & fruits

Last spring frost (32°F): 04/10
First fall frost (32°F): 10/27

Seasonal Overview

Comfort ZoneSpring44°64°12.8"Summer73°78°14.8"Fall44°68°9.9"Winter29°33°4.8"20°40°60°80°100°

National Comparison

Warmer than 48% of US counties
Wetter than 51% of US counties
More seasonal variation than 79% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Jackson County

Climate Verdict

Jackson County has a mild, with an average annual temperature of 54.2°F, moderately wet with 42.3 inches of annual precipitation, occasional hot days — 32.96666666666667 per year above 90°F, light snow averaging 10.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 28.5°F. summers are warm — July averages 77.6°F. The 49°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

Jackson County closely matches the Missouri statewide average temperature of 54.9°F.

Climate Profile

About Jackson County Weather

A Balanced Continental Climate in Jackson

Jackson County averages 54.2°F annually, aligning closely with the national median for temperate regions. The area experiences four distinct seasons with a healthy 42.3 inches of annual precipitation.

Reflecting Missouri's Central Climate Standards

Jackson County sits just below the Missouri state average temperature of 54.9°F. Its precipitation levels are also slightly lower than the state average, falling short of the 43.8-inch benchmark by about an inch and a half.

Consistent Weather Across the Metro

Jackson County shares nearly identical summer averages with Johnson County at 75.7°F. While its 10.9 inches of snow is standard for the region, it is slightly less than the 11.9 inches seen just to the east.

Thirty Days of Peak Summer Heat

The county experiences 33 days of extreme heat above 90°F, primarily during the 77.6°F average of July. Winters are cold but manageable, with a seasonal average of 31.6°F and roughly 11 inches of snow.

Prepare for Urban Summer Extremes

With over a month of 90-degree days, urban cooling and hydration are critical for Jackson County residents. Winter preparations should include reliable snow removal equipment for the 10.9-inch average snowfall.

Frequently Asked Questions

What is the average temperature in Jackson County?
The average annual temperature in Jackson County, MO is 54.2°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Jackson County get?
Jackson County receives an average of 42.3 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 Jackson County?
Yes, Jackson County receives an average of 10.9 inches of snowfall per year according to NOAA climate normals.
How hot does Jackson County get in summer?
The average summer temperature (June-August) in Jackson County is 75.7°F. The county experiences an average of 33 days per year above 90°F.
How cold are winters in Jackson County?
The average winter temperature (December-February) in Jackson County is 31.6°F. January, typically the coldest month, averages 28.5°F.

Track your own weather in Jackson County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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
← Back to Missouri