weatherbycounty

Floyd County Climate

JanFebMarAprMayJunJulAugSepOctNovDec46.5°AVG °F

Avg Annual Temp

46.5°F

Annual Precip

37.7"

Annual Snowfall

37.5"

Extreme Heat Days

9

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.0"
1.1"
1.9"
3.7"
5.1"
6.1"
4.9"
4.3"
3.8"
2.6"
1.7"
1.4"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

5a

Minimum winter temperature range for plant survival

Growing Degree Days

2,754

Supports most vegetables & fruits

Last spring frost (32°F): 04/30
First fall frost (32°F): 10/06

Seasonal Overview

Comfort ZoneSpring34°59°10.7"Summer69°72°15.3"Fall35°62°8.1"Winter17°23°3.5"20°40°60°80°100°

National Comparison

Warmer than 18% of US counties
Wetter than 40% of US counties
More seasonal variation than 93% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Floyd County

Climate Verdict

Floyd County has a cool, averaging 46.5°F annually, moderate rainfall of 37.7 inches per year, rare extreme heat with only 9.4 days above 90°F annually, moderate snowfall of 37.5 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 16.6°F. summers are warm — July averages 72.0°F. Residents experience a substantial 55°F difference between winter and summer.

Outdoor & Gardening Guidance

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

Regional Context

Floyd County closely matches the Iowa statewide average temperature of 48.0°F.

Climate Profile

About Floyd County Weather

Cold winters define the local climate

Floyd County's annual average temperature of 46.5°F is well below the national median. The county experiences a humid continental climate with 37.7 inches of annual precipitation.

Below the Iowa thermal baseline

With an annual average of 46.5°F, Floyd County is cooler than the Iowa state average of 48.0°F. Its 37.7 inches of annual rain is slightly higher than the state average of 36.1 inches.

Comparing North-Central Iowa trends

Floyd County is slightly warmer than neighboring Fayette County’s 46.3°F average. However, it is marginally cooler than Franklin County, which sits at 46.6°F annually.

Icy Januaries and manageable heat

January temperatures average a cold 16.6°F, contributing to 37.5 inches of annual snowfall. Extreme heat is rare, as the county typically sees only 9 days per year hitting the 90°F mark.

Prepare for significant snow accumulation

Homeowners should ensure roofs and gutters are ready for 37.5 inches of annual snow. Reliable HVAC systems are essential to navigate the 20.1°F average winter temperatures.

Frequently Asked Questions

What is the average temperature in Floyd County?
The average annual temperature in Floyd County, IA is 46.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Floyd County get?
Floyd County receives an average of 37.7 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 Floyd County?
Yes, Floyd County receives an average of 37.5 inches of snowfall per year according to NOAA climate normals.
How hot does Floyd County get in summer?
The average summer temperature (June-August) in Floyd County is 70.1°F. The county experiences an average of 9 days per year above 90°F.
How cold are winters in Floyd County?
The average winter temperature (December-February) in Floyd County is 20.1°F. January, typically the coldest month, averages 16.6°F.

Track your own weather in Floyd 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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