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Worth County Climate

JanFebMarAprMayJunJulAugSepOctNovDec50.4°AVG °F

Avg Annual Temp

50.4°F

Annual Precip

Annual Snowfall

Extreme Heat Days

20

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Growing Season & Gardening

USDA Hardiness Zone

5b

Minimum winter temperature range for plant survival

Growing Degree Days

3,269

Supports most vegetables & fruits

Last spring frost (32°F): 04/24
First fall frost (32°F): 10/14

Seasonal Overview

Comfort ZoneSpring39°62°0.0"Summer70°75°0.0"Fall39°65°0.0"Winter23°28°0.0"20°40°60°80°100°

National Comparison

Warmer than 32% of US counties
More seasonal variation than 85% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Worth County

Climate Verdict

Worth County has a mild, with an average annual temperature of 50.4°F, rare extreme heat with only 19.6 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 23.1°F. summers are warm — July averages 74.8°F. Residents experience a substantial 52°F difference between winter and summer.

Outdoor & Gardening Guidance

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

Regional Context

Worth County is 4.5°F cooler than the Missouri statewide average of 54.9°F, the county experiences 17.11736760124611 fewer extreme heat days than the state average.

Climate Profile

About Worth County Weather

A Cool Continental Climate in Northern Missouri

Worth County maintains a cool annual average temperature of 50.4°F, falling several degrees below the national median. This reflects its position in the northern reaches of the Midwest where cooler air masses dominate.

One of Missouri's Coldest Counties

The county's 50.4°F annual average is significantly lower than the Missouri state average of 54.9°F. This gap places Worth County among the coolest jurisdictions in the state, driven by its high northern latitude.

Matching the Northern Plains Profile

Worth County shares a similar climate profile with neighbors like Harrison and Gentry counties, though it lacks the specific local precipitation records available in those areas. Its climate remains much brisker than the Ozark counties located in the southern half of the state.

Brisk Winters and Manageable Summers

Winters are sharp with a January average of 23.1°F, while summers stay relatively comfortable with only 20 days exceeding 90°F. The July average of 74.8°F is milder than many other Missouri regions that face more intense humidity.

Preparing for Significant Winter Heating Needs

Residents should invest in high-efficiency heating systems to handle winter averages of 26.2°F. While summer heat is less frequent than elsewhere in Missouri, proper insulation remains key to managing the 20 days of extreme heat each year.

Frequently Asked Questions

What is the average temperature in Worth County?
The average annual temperature in Worth County, MO is 50.4°F, based on NOAA 30-year climate normals (1991-2020).
How hot does Worth County get in summer?
The average summer temperature (June-August) in Worth County is 72.7°F. The county experiences an average of 20 days per year above 90°F.
How cold are winters in Worth County?
The average winter temperature (December-February) in Worth County is 26.2°F. January, typically the coldest month, averages 23.1°F.

Track your own weather in Worth 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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