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La Salle County Climate

JanFebMarAprMayJunJulAugSepOctNovDec72.0°AVG °F

Avg Annual Temp

72.0°F

Annual Precip

23.1"

Annual Snowfall

0.1"

Extreme Heat Days

157

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.1"
1.1"
1.9"
1.4"
3.0"
2.3"
2.5"
1.8"
3.4"
2.3"
1.2"
1.2"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

9a

Minimum winter temperature range for plant survival

Growing Degree Days

8,190

Excellent for heat-loving crops

Last spring frost (32°F): 03/03
First fall frost (32°F): 12/03

Seasonal Overview

Comfort ZoneSpring66°80°6.3"Summer85°87°6.6"Fall63°82°6.8"Winter55°59°3.3"20°40°60°80°100°

National Comparison

Warmer than 99% of US counties
Wetter than 19% of US counties
More seasonal variation than 9% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: La Salle County

Climate Verdict

La Salle County has a hot, with an average annual temperature of 72.0°F, semi-arid conditions with only 23.1 inches of annual precipitation, extreme heat exposure with 156.95 days per year above 90°F, light snow averaging 0.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 54.5°F. summers are hot, with July averaging 86.3°F. The 32°F seasonal variation provides noticeable but manageable change. January is typically the coldest month and August the warmest.

Outdoor & Gardening Guidance

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

Regional Context

La Salle County is 6.5°F warmer than the Texas statewide average of 65.5°F, it is also noticeably drier, receiving 8.7 inches less precipitation than the state average, the county experiences 52.108126617324174 more extreme heat days than the state average.

Climate Profile

About La Salle County Weather

La Salle County's Desert Intensity

La Salle County is intensely hot, averaging 72.0°F annually against a much lower national median. It is a dry region, seeing only 23.1 inches of rain.

Hotter than the Texas Norm

At 72.0°F, it is much hotter than the 65.5°F state average. It ranks as one of the warmest counties in the South Texas brush country.

High Heat Count for the Region

La Salle endures 157 days of extreme heat, far more than Kinney’s 118. It is also drier than Kleberg County, receiving nearly 4 fewer inches of rain.

Endless Heat and Minimal Rain

July is sweltering at 86.3°F, contributing to 157 days over 90°F. Winters are brief and mild at 56.5°F, with only a trace of snow at 0.1 inches.

Extreme Heat and Water Management

Extreme heat management is the priority for more than five months of the year. Residents should invest in heavy-duty cooling and water conservation for the 23.1-inch rainfall limit.

Frequently Asked Questions

What is the average temperature in La Salle County?
The average annual temperature in La Salle County, TX is 72.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does La Salle County get?
La Salle County receives an average of 23.1 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 La Salle County?
Yes, La Salle County receives an average of 0.1 inches of snowfall per year according to NOAA climate normals.
How hot does La Salle County get in summer?
The average summer temperature (June-August) in La Salle County is 86.0°F. The county experiences an average of 157 days per year above 90°F.
How cold are winters in La Salle County?
The average winter temperature (December-February) in La Salle County is 56.5°F. January, typically the coldest month, averages 54.5°F.

Track your own weather in La Salle 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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