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Randolph County Climate

Randolph County, Indiana

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec51.0°AVG °F

Avg Annual Temp

51.0°F

Annual Precip

40.3"

Annual Snowfall

23.0"

Extreme Heat Days

13

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.7"
2.2"
3.1"
4.0"
4.3"
4.7"
4.0"
3.6"
3.1"
3.0"
3.2"
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

3,215

Supports most vegetables & fruits

Last spring frost (32°F): 04/25
First fall frost (32°F): 10/21

Seasonal Overview

Comfort ZoneSpring39°62°11.3"Summer70°73°12.3"Fall41°65°9.4"Winter26°31°7.3"20°40°60°80°100°

National Comparison

Warmer than 35% of US counties
Wetter than 46% of US counties
More seasonal variation than 72% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Randolph County

Climate Verdict

Randolph County has a mild, with an average annual temperature of 51.0°F, moderately wet with 40.3 inches of annual precipitation, rare extreme heat with only 13.1 days above 90°F annually, moderate snowfall of 23.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 25.8°F. summers are warm — July averages 73.3°F. The 48°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

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

Regional Context

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

Climate Profile

About Randolph County Weather

Cooler temperate weather patterns

Randolph County’s 51.0°F average annual temperature is slightly below the national median. The area receives 40.3 inches of precipitation, which is drier than the Indiana state average.

Typical eastern Indiana climate

The county is over a degree cooler than the state average of 52.2°F. Its eastern location keeps it away from major water influences, resulting in a stable continental climate.

Drier and snowier neighbors

Randolph receives about five inches less total precipitation than neighboring Rush County. However, it experiences more winter weather, with 23 inches of snow compared to Rush’s 15.9 inches.

Modest summers and snowy winters

Summers are mild with only 13 days of extreme heat and a July average of 73.3°F. Winters are more rigorous, featuring a 28.6°F average and 23 inches of snowfall.

Focus on winter insulation

Quality home insulation is key to managing the chilly 28.6°F winter average. Residents should keep snow shovels ready for the 23 inches of accumulation expected each year.

Frequently Asked Questions

What is the average temperature in Randolph County?
The average annual temperature in Randolph County, IN is 51.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Randolph County get?
Randolph 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 Randolph County?
Yes, Randolph County receives an average of 23.0 inches of snowfall per year according to NOAA climate normals.
How hot does Randolph County get in summer?
The average summer temperature (June-August) in Randolph County is 71.7°F. The county experiences an average of 13 days per year above 90°F.
How cold are winters in Randolph County?
The average winter temperature (December-February) in Randolph County is 28.6°F. January, typically the coldest month, averages 25.8°F.

Track your own weather in Randolph 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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