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LaPorte County Climate

JanFebMarAprMayJunJulAugSepOctNovDec49.6°AVG °F

Avg Annual Temp

49.6°F

Annual Precip

40.3"

Annual Snowfall

46.8"

Extreme Heat Days

14

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.5"
2.1"
2.5"
3.7"
4.1"
4.4"
4.1"
4.1"
3.3"
3.9"
3.0"
2.5"
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

2,998

Supports most vegetables & fruits

Last spring frost (32°F): 04/29
First fall frost (32°F): 10/27

Seasonal Overview

Comfort ZoneSpring37°60°10.3"Summer70°73°12.6"Fall40°64°10.3"Winter24°30°7.1"20°40°60°80°100°

National Comparison

Warmer than 29% of US counties
Wetter than 46% of US counties
More seasonal variation than 78% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: LaPorte County

Climate Verdict

LaPorte County has a cool, averaging 49.6°F annually, moderately wet with 40.3 inches of annual precipitation, rare extreme heat with only 13.5 days above 90°F annually, moderate snowfall of 46.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 23.8°F. summers are warm — July averages 72.8°F. The 49°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

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

Climate Profile

About LaPorte County Weather

Cooler Than the National Median

LaPorte County has an annual average temperature of 49.6°F, placing it among the cooler regions in the United States. Its climate is defined by moderate precipitation and significant seasonal variation.

One of Indiana’s Chillier Counties

The county averages 2.6 degrees cooler than the Indiana state average of 52.2°F. It ranks as one of the northernmost climate zones in the state.

Heavier Snowfall Than Western Neighbors

While temperatures mirror Lake County, LaPorte receives much more snow at 46.8 inches annually. This is nearly 20 inches more than its neighbor to the west.

Significant Snow and Mild Summers

Winter is intense with 46.8 inches of snowfall and average lows of 23.8°F in January. July stays comfortable with only 14 days of extreme heat over 90°F.

Invest in Heavy Snow Equipment

Residents need heavy-duty snow removal tools to manage the high annual snowfall. Proper home weatherization is essential for the 26.9°F winter average.

Frequently Asked Questions

What is the average temperature in LaPorte County?
The average annual temperature in LaPorte County, IN is 49.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does LaPorte County get?
LaPorte County receives an average of 40.3 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 LaPorte County?
Yes, LaPorte County receives an average of 46.8 inches of snowfall per year according to NOAA climate normals.
How hot does LaPorte County get in summer?
The average summer temperature (June-August) in LaPorte County is 71.1°F. The county experiences an average of 14 days per year above 90°F.
How cold are winters in LaPorte County?
The average winter temperature (December-February) in LaPorte County is 26.9°F. January, typically the coldest month, averages 23.8°F.

Track your own weather in LaPorte 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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