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Jasper County Climate

JanFebMarAprMayJunJulAugSepOctNovDec68.5°AVG °F

Avg Annual Temp

68.5°F

Annual Precip

58.1"

Annual Snowfall

0.0"

Extreme Heat Days

94

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
5.1"
4.0"
4.8"
4.4"
4.9"
5.5"
3.6"
4.9"
5.0"
5.1"
5.0"
5.8"
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

7,086

Excellent for heat-loving crops

Last spring frost (32°F): 02/24
First fall frost (32°F): 12/01

Seasonal Overview

Comfort ZoneSpring61°76°14.1"Summer82°85°14.0"Fall60°80°15.1"Winter51°54°15.0"20°40°60°80°100°

National Comparison

Warmer than 95% of US counties
Wetter than 93% of US counties
More seasonal variation than 12% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Jasper County

Climate Verdict

Jasper County has a warm, averaging 68.5°F year-round, very wet conditions receiving 58.1 inches of precipitation annually, significant summer heat with 94 days annually above 90°F, virtually no measurable snowfall. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are mild, with January temperatures averaging 50.7°F. summers are hot, with July averaging 84.4°F. The 34°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

Jasper County is 3.0°F warmer than the Texas statewide average of 65.5°F, it is also noticeably wetter, receiving 26.3 inches more precipitation than the state average.

Climate Profile

About Jasper County Weather

High Rainfall and Subtropical Heat

Jasper County is exceptionally wet, receiving 58.1 inches of rain annually compared to the much lower national average. The 68.5°F average temperature reflects a consistently warm, humid environment.

One of the Wettest Counties in Texas

Jasper County's 58.1 inches of rain is nearly double the Texas state average of 31.9 inches. It also runs warmer than the state average, clocking in at 68.5°F annually.

Drenched Compared to Central Texas

The county's high precipitation sets it apart from the drier central and western parts of the state. It sees 0.0 inches of snow, emphasizing its warm, piney-woods climate.

Steam Summers and Very Mild Winters

Summer features 94 days over 90°F with a July average of 84.4°F. Winters are some of the mildest in the state, with a December-February average of 52.6°F.

Manage High Humidity and Heavy Rain

Given the 58.1 inches of annual rain, flood insurance and gutter maintenance are critical for homeowners. Cooling systems must be sized to handle 94 days of extreme heat alongside high humidity levels.

Frequently Asked Questions

What is the average temperature in Jasper County?
The average annual temperature in Jasper County, TX is 68.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Jasper County get?
Jasper County receives an average of 58.1 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 Jasper County?
Jasper County receives little to no measurable snowfall in a typical year, based on NOAA 30-year climate normals.
How hot does Jasper County get in summer?
The average summer temperature (June-August) in Jasper County is 83.6°F. The county experiences an average of 94 days per year above 90°F.
How cold are winters in Jasper County?
The average winter temperature (December-February) in Jasper County is 52.6°F. January, typically the coldest month, averages 50.7°F.

Track your own weather in Jasper 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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