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Kosciusko County Climate

Kosciusko County, Indiana

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec50.0°AVG °F

Avg Annual Temp

50.0°F

Annual Precip

39.9"

Annual Snowfall

39.6"

Extreme Heat Days

10

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.5"
2.1"
2.5"
4.0"
4.5"
4.6"
4.1"
4.2"
3.0"
3.0"
2.9"
2.4"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

6a

Minimum winter temperature range for plant survival

Growing Degree Days

3,025

Supports most vegetables & fruits

Last spring frost (32°F): 04/28
First fall frost (32°F): 10/24

Seasonal Overview

Comfort ZoneSpring38°60°10.9"Summer69°73°12.9"Fall41°64°9.0"Winter25°30°7.0"20°40°60°80°100°

National Comparison

Warmer than 30% of US counties
Wetter than 45% of US counties
More seasonal variation than 74% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Kosciusko County

Climate Verdict

Kosciusko County has a mild, with an average annual temperature of 50.0°F, moderate rainfall of 39.9 inches per year, rare extreme heat with only 10.3 days above 90°F annually, moderate snowfall of 39.6 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 24.6°F. summers are warm — July averages 72.7°F. The 48°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

Kosciusko County closely matches the Indiana statewide average temperature of 52.4°F, it is somewhat drier than average for Indiana.

Climate Profile

About Kosciusko County Weather

Cool Northern Latitude Climate

Kosciusko County averages 50.0°F annually, making it significantly cooler than the national median. Its humid continental climate is heavily influenced by its northern latitude.

Among Indiana's Coldest Counties

The county is over two degrees cooler than the Indiana state average of 52.2°F. It ranks as one of the colder jurisdictions in the state's northern tier.

A Regional Heavyweight for Snowfall

While it shares a border with Elkhart, Kosciusko is known for its high snowfall, averaging nearly 40 inches. Its 39.9 inches of rain is lower than the state average.

Harsh Winters and Mild Summers

Summers stay mild with only 10 days of extreme heat and a 71.0°F average. However, winters are harsh, featuring 39.6 inches of snow and a 27.5°F average temperature.

Invest in Heavy-Duty Snow Gear

Residents must own reliable snow blowers and winterize their homes thoroughly against the 40-inch annual snowfalls. Air conditioning is less of a priority with only 10 extreme heat days per year.

Frequently Asked Questions

What is the average temperature in Kosciusko County?
The average annual temperature in Kosciusko County, IN is 50.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Kosciusko County get?
Kosciusko County receives an average of 39.9 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 Kosciusko County?
Yes, Kosciusko County receives an average of 39.6 inches of snowfall per year according to NOAA climate normals.
How hot does Kosciusko County get in summer?
The average summer temperature (June-August) in Kosciusko County is 71.0°F. The county experiences an average of 10 days per year above 90°F.
How cold are winters in Kosciusko County?
The average winter temperature (December-February) in Kosciusko County is 27.5°F. January, typically the coldest month, averages 24.6°F.

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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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