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Woodbury County Climate

JanFebMarAprMayJunJulAugSepOctNovDec48.5°AVG °F

Avg Annual Temp

48.5°F

Annual Precip

30.8"

Annual Snowfall

36.0"

Extreme Heat Days

25

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.7"
0.9"
1.8"
3.1"
4.2"
4.7"
3.6"
3.7"
3.2"
2.3"
1.4"
1.1"
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

3,077

Supports most vegetables & fruits

Last spring frost (32°F): 04/29
First fall frost (32°F): 10/05

Seasonal Overview

Comfort ZoneSpring37°61°9.1"Summer71°74°12.0"Fall36°64°6.9"Winter20°25°2.8"20°40°60°80°100°

National Comparison

Warmer than 25% of US counties
Wetter than 27% of US counties
More seasonal variation than 91% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Woodbury County

Climate Verdict

Woodbury County has a cool, averaging 48.5°F annually, moderate rainfall of 30.8 inches per year, occasional hot days — 24.6 per year above 90°F, moderate snowfall of 36.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 20.0°F. summers are warm — July averages 74.2°F. Residents experience a substantial 54°F difference between winter and summer.

Outdoor & Gardening Guidance

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

Regional Context

Woodbury County closely matches the Iowa statewide average temperature of 48.0°F, it is also noticeably drier, receiving 5.3 inches less precipitation than the state average.

Climate Profile

About Woodbury County Weather

Woodbury County Trails National Temperature Medians

Woodbury's average annual temperature of 48.5°F sits several degrees below the national median. The county experiences a classic humid continental climate characterized by significant seasonal shifts.

Slightly Warmer than the Iowa Average

At 48.5°F, Woodbury is slightly warmer than the Iowa state average of 48.0°F. However, its 30.8 inches of annual precipitation is noticeably lower than the state benchmark of 36.1 inches.

A Drier and Hotter Western Iowa Outlook

Compared to more humid eastern neighbors, Woodbury experiences a drier environment with 25 extreme heat days annually. While many Iowa counties see higher rainfall, Woodbury averages only 30.8 inches per year.

Intense Summers and Brisk Winters

July brings an average temperature of 74.2°F, while January plunges to a cold 20.0°F. The county receives 36.0 inches of annual snowfall, marking a significant winter presence.

Prepare for Heat Waves and Heavy Snow

Residents must maintain efficient cooling systems to handle 25 days of heat over 90°F. Reliable snow removal tools are essential for managing the 36-inch annual snowfall average.

Frequently Asked Questions

What is the average temperature in Woodbury County?
The average annual temperature in Woodbury County, IA is 48.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Woodbury County get?
Woodbury County receives an average of 30.8 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 Woodbury County?
Yes, Woodbury County receives an average of 36.0 inches of snowfall per year according to NOAA climate normals.
How hot does Woodbury County get in summer?
The average summer temperature (June-August) in Woodbury County is 72.2°F. The county experiences an average of 25 days per year above 90°F.
How cold are winters in Woodbury County?
The average winter temperature (December-February) in Woodbury County is 22.9°F. January, typically the coldest month, averages 20.0°F.

Track your own weather in Woodbury 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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