weatherbycounty

Indian River County Climate

Indian River County, Florida

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec74.0°AVG °F

Avg Annual Temp

74.0°F

Annual Precip

54.8"

Annual Snowfall

0.0"

Extreme Heat Days

64

days >= 90°F/yr

Monthly Temperature

JFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.7"
2.3"
3.6"
3.0"
4.3"
6.8"
5.9"
7.4"
7.3"
5.7"
3.0"
2.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

10a

Minimum winter temperature range for plant survival

Growing Degree Days

8,792

Excellent for heat-loving crops

Last spring frost (32°F): 01/24
First fall frost (32°F): 01/13

Seasonal Overview

Comfort ZoneSpring68°77°10.8"Summer81°83°20.2"Fall71°81°16.1"Winter63°66°7.7"20°40°60°80°100°

National Comparison

Warmer than 99% of US counties
Wetter than 88% of US counties
More seasonal variation than 1% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Indian River County

Climate Verdict

Indian River County has a hot, with an average annual temperature of 74.0°F, moderately wet with 54.8 inches of annual precipitation, significant summer heat with 64.15 days annually above 90°F, virtually no measurable snowfall. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are exceptionally mild, with January averaging 63.1°F. summers are hot, with July averaging 82.4°F. The climate is remarkably stable year-round, with only a 19°F difference between January and July. January is typically the coldest month and August the warmest.

Outdoor & Gardening Guidance

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

Regional Context

Indian River County closely matches the Florida statewide average temperature of 71.0°F, the county experiences 27.866720753993462 fewer extreme heat days than the state average.

Climate Profile

About Indian River County Weather

Consistently warm with a tropical influence

Indian River County averages 74.0°F annually, well above the national median temperature. The Atlantic influence helps keep the environment humid and stable.

Warmer than the typical Florida average

The county is 2.9 degrees warmer than the state average of 71.1°F. It ranks among the warmer coastal regions on Florida's eastern shore.

Fewer extreme heat days than inland peers

While its 74.0°F average is similar to Hillsborough, Indian River only sees 64 days of extreme heat. This is nearly half the extreme heat days experienced in inland Highlands.

Mild summers and very warm winters

Summers average 82.0°F while winters are exceptionally mild at 64.8°F. The county sees zero snowfall and receives a state-average 54.8 inches of rain.

Manage consistent moisture and mild heat

Residents should plan for 54.8 inches of rain with breathable, waterproof gear. The low number of extreme heat days makes this one of the more temperate southern counties.

Frequently Asked Questions

What is the average temperature in Indian River County?
The average annual temperature in Indian River County, FL is 74.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Indian River County get?
Indian River County receives an average of 54.8 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 Indian River County?
Indian River County receives little to no measurable snowfall in a typical year, based on NOAA 30-year climate normals.
How hot does Indian River County get in summer?
The average summer temperature (June-August) in Indian River County is 82.0°F. The county experiences an average of 64 days per year above 90°F.
How cold are winters in Indian River County?
The average winter temperature (December-February) in Indian River County is 64.8°F. January, typically the coldest month, averages 63.1°F.

Track your own weather in Indian River County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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
← Back to Florida