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Hartley County Climate

JanFebMarAprMayJunJulAugSepOctNovDec55.8°AVG °F

Avg Annual Temp

55.8°F

Annual Precip

16.9"

Annual Snowfall

17.4"

Extreme Heat Days

65

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.5"
0.4"
1.0"
1.3"
1.9"
2.6"
2.7"
2.3"
1.4"
1.7"
0.5"
0.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7a

Minimum winter temperature range for plant survival

Growing Degree Days

3,910

Supports most vegetables & fruits

Last spring frost (32°F): 04/22
First fall frost (32°F): 10/24

Seasonal Overview

Comfort ZoneSpring46°64°4.2"Summer74°78°7.5"Fall44°69°3.6"Winter35°38°1.6"20°40°60°80°100°

National Comparison

Warmer than 55% of US counties
Wetter than 10% of US counties
More seasonal variation than 48% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Hartley County

Climate Verdict

Hartley County has a mild, with an average annual temperature of 55.8°F, semi-arid conditions with only 16.9 inches of annual precipitation, significant summer heat with 64.95 days annually above 90°F, light snow averaging 17.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 35.2°F. summers are warm — July averages 77.7°F. The 42°F seasonal variation provides noticeable but manageable change.

Outdoor & Gardening Guidance

The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.

Regional Context

Hartley County is 9.7°F cooler than the Texas statewide average of 65.5°F, it is also noticeably drier, receiving 14.9 inches less precipitation than the state average, the county experiences 39.89187338267581 fewer extreme heat days than the state average.

Climate Profile

About Hartley County Weather

Cooler High Plains Climate

At 55.8°F, Hartley County aligns closely with the national median temperature. It is a semi-arid region with only 16.9 inches of annual precipitation.

Among the Coolest in Texas

The county is nearly 10 degrees cooler than the state average of 65.5°F. It also receives only about half the rainfall of the average Texas county.

A Snowy Panhandle Outlier

Hartley is much colder and drier than central counties like Hays. It records 17.4 inches of snow, which is significantly higher than most of its Texas peers.

Modest Summers and Snowy Winters

Summers are mild for Texas, averaging 75.7°F with only 65 days of extreme heat. Winters are cold at 36.3°F, bringing the state's highest snow totals.

Winter Ready in the Panhandle

Residents need heavy winter gear and snow removal equipment for the 17.4-inch annual snowfall. Home insulation is a priority for the 36.3°F winter average.

Frequently Asked Questions

What is the average temperature in Hartley County?
The average annual temperature in Hartley County, TX is 55.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Hartley County get?
Hartley County receives an average of 16.9 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 Hartley County?
Yes, Hartley County receives an average of 17.4 inches of snowfall per year according to NOAA climate normals.
How hot does Hartley County get in summer?
The average summer temperature (June-August) in Hartley County is 75.7°F. The county experiences an average of 65 days per year above 90°F.
How cold are winters in Hartley County?
The average winter temperature (December-February) in Hartley County is 36.3°F. January, typically the coldest month, averages 35.2°F.

Track your own weather in Hartley 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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