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Newton County Climate

JanFebMarAprMayJunJulAugSepOctNovDec51.0°AVG °F

Avg Annual Temp

51.0°F

Annual Precip

40.1"

Annual Snowfall

29.7"

Extreme Heat Days

23

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.4"
2.0"
2.5"
3.7"
4.2"
4.9"
4.6"
4.2"
3.2"
3.3"
2.7"
2.3"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

5b

Minimum winter temperature range for plant survival

Growing Degree Days

3,284

Supports most vegetables & fruits

Last spring frost (32°F): 04/23
First fall frost (32°F): 10/14

Seasonal Overview

Comfort ZoneSpring40°62°10.5"Summer71°74°13.6"Fall41°65°9.2"Winter25°30°6.7"20°40°60°80°100°

National Comparison

Warmer than 35% of US counties
Wetter than 46% of US counties
More seasonal variation than 77% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Newton County

Climate Verdict

Newton County has a mild, with an average annual temperature of 51.0°F, moderately wet with 40.1 inches of annual precipitation, occasional hot days — 23.3 per year above 90°F, moderate snowfall of 29.7 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 24.8°F. summers are warm — July averages 73.5°F. The 49°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

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

Climate Profile

About Newton County Weather

Northern Chills Below the National Median

Newton County averages 51.0°F annually, staying cooler than the national median. This northern Indiana climate is characterized by sharp seasonal swings and significant winter moisture.

Cooler Than the Indiana Average

The county's 51.0°F average sits below the statewide mean of 52.2°F. This cooler ranking reflects its position in the northern reaches of the state where winters are more impactful.

Significant Snow Compared to Southern Neighbors

Newton is much snowier than southern neighbor Parke County, recording 29.7 inches of snow compared to Parke's 20.4. Despite the cold, Newton still sees 23 days of extreme heat, outpacing Montgomery County's 12 days.

Deep Winter Freezes and Intense Summer Heat

Winters are cold with a January average of 24.8°F and a heavy 29.7 inches of snow. However, summers still get intense, recording 23 days where temperatures climb above 90°F.

Heavy Snow Removal and Thermal Insulation

Heavy-duty snow removal equipment is a must for the nearly 30 inches of annual snowfall. Homeowners should also ensure high-quality insulation to manage the wide gap between deep winter freezes and 90-degree summer days.

Frequently Asked Questions

What is the average temperature in Newton County?
The average annual temperature in Newton County, IN is 51.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Newton County get?
Newton County receives an average of 40.1 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 Newton County?
Yes, Newton County receives an average of 29.7 inches of snowfall per year according to NOAA climate normals.
How hot does Newton County get in summer?
The average summer temperature (June-August) in Newton County is 72.1°F. The county experiences an average of 23 days per year above 90°F.
How cold are winters in Newton County?
The average winter temperature (December-February) in Newton County is 27.8°F. January, typically the coldest month, averages 24.8°F.

Track your own weather in Newton 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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