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Marion County Climate

JanFebMarAprMayJunJulAugSepOctNovDec55.8°AVG °F

Avg Annual Temp

55.8°F

Annual Precip

34.6"

Annual Snowfall

12.4"

Extreme Heat Days

55

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.8"
1.3"
2.3"
3.1"
5.1"
4.6"
4.5"
4.2"
3.4"
2.5"
1.5"
1.2"
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

4,259

Excellent for heat-loving crops

Last spring frost (32°F): 04/22
First fall frost (32°F): 10/30

Seasonal Overview

Comfort ZoneSpring45°65°10.5"Summer75°80°13.4"Fall44°70°7.4"Winter31°35°3.3"20°40°60°80°100°

National Comparison

Warmer than 55% of US counties
Wetter than 33% of US counties
More seasonal variation than 80% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Marion County

Climate Verdict

Marion County has a mild, with an average annual temperature of 55.8°F, moderate rainfall of 34.6 inches per year, occasional hot days — 55.05 per year above 90°F, light snow averaging 12.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 30.6°F. summers are hot, with July averaging 80.1°F. The 49°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.

Regional Context

Marion County closely matches the Kansas statewide average temperature of 54.8°F, it is somewhat wetter than average for Kansas.

Climate Profile

About Marion County Weather

A Temperate Climate Above National Medians

Marion County averages 55.8°F annually, placing it slightly above the national median temperature. This humid continental region experiences distinct seasonal shifts throughout the year.

Warmer and Wetter than the Kansas Average

The county's annual temperature of 55.8°F sits exactly one degree higher than the Kansas state average of 54.8°F. Precipitation is also higher here, with 34.6 inches of rain compared to the 30.3-inch state baseline.

Typical Temperatures for Central Kansas Neighbors

Marion's climate closely mirrors neighboring McPherson County, which averages 55.7°F. However, Marion experiences fewer extreme heat days, with 55 days over 90°F compared to McPherson's 64.

Hot July Peaks and Snowy Winters

July brings an average high of 80.1°F, while January temperatures dip to a chilly 30.6°F. The county receives 12.4 inches of snow annually to round out the winter season.

Preparing for Heat and Moderate Snowfall

Residents should maintain efficient HVAC systems to handle 55 days of extreme heat each year. Solid winter tires are recommended for the 12.4 inches of annual snowfall.

Frequently Asked Questions

What is the average temperature in Marion County?
The average annual temperature in Marion County, KS is 55.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Marion County get?
Marion County receives an average of 34.6 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 Marion County?
Yes, Marion County receives an average of 12.4 inches of snowfall per year according to NOAA climate normals.
How hot does Marion County get in summer?
The average summer temperature (June-August) in Marion County is 77.8°F. The county experiences an average of 55 days per year above 90°F.
How cold are winters in Marion County?
The average winter temperature (December-February) in Marion County is 33.1°F. January, typically the coldest month, averages 30.6°F.

Track your own weather in Marion 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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