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Clay County Climate

JanFebMarAprMayJunJulAugSepOctNovDec63.0°AVG °F

Avg Annual Temp

63.0°F

Annual Precip

31.5"

Annual Snowfall

0.9"

Extreme Heat Days

96

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.6"
1.8"
2.5"
2.8"
4.5"
3.3"
2.1"
2.7"
2.8"
3.5"
2.2"
1.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

8a

Minimum winter temperature range for plant survival

Growing Degree Days

5,657

Excellent for heat-loving crops

Last spring frost (32°F): 04/01
First fall frost (32°F): 11/08

Seasonal Overview

Comfort ZoneSpring54°71°9.8"Summer79°84°8.1"Fall52°75°8.4"Winter42°45°5.1"20°40°60°80°100°

National Comparison

Warmer than 81% of US counties
Wetter than 28% of US counties
More seasonal variation than 46% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Clay County

Climate Verdict

Clay County has a warm, averaging 63.0°F year-round, moderate rainfall of 31.5 inches per year, significant summer heat with 96.1 days annually above 90°F, light snow averaging 0.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 41.8°F. summers are hot, with July averaging 83.9°F. The 42°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.

Regional Context

Clay County closely matches the Texas statewide average temperature of 65.5°F.

Climate Profile

About Clay County Weather

North Texas Continental Climate

Clay County's 63.0°F average is warmer than the national median, reflecting a typical North Texas climate. The weather here is influenced by both dry western winds and humid air from the south.

A Benchmark for Texas Weather

The county is slightly cooler than the state average of 65.5°F. Its 31.5 inches of annual rainfall is almost identical to the Texas state average of 31.9 inches, making it a statistical middle-ground.

Drier than the East

Clay is much drier than East Texas counties like Cass, receiving nearly 20 inches less rain annually. It shares a similar heat profile with Childress County to its northwest.

Intense July Heat Spikes

Summers are hot, featuring 96 days over 90°F and a July average of 83.9°F. Winter brings a cool 43.5°F average and very little snow, typically under one inch per year.

Service Your AC Early

With nearly 100 days of extreme heat, ensuring your cooling system is ready by May is essential. Residents should also be prepared for the dry spells typical of this 31.5-inch rainfall zone.

Frequently Asked Questions

What is the average temperature in Clay County?
The average annual temperature in Clay County, TX is 63.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Clay County get?
Clay County receives an average of 31.5 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 Clay County?
Yes, Clay County receives an average of 0.9 inches of snowfall per year according to NOAA climate normals.
How hot does Clay County get in summer?
The average summer temperature (June-August) in Clay County is 82.0°F. The county experiences an average of 96 days per year above 90°F.
How cold are winters in Clay County?
The average winter temperature (December-February) in Clay County is 43.5°F. January, typically the coldest month, averages 41.8°F.

Track your own weather in Clay 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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