weatherbycounty

Newton County Climate

JanFebMarAprMayJunJulAugSepOctNovDec66.0°AVG °F

Avg Annual Temp

66.0°F

Annual Precip

56.2"

Annual Snowfall

0.0"

Extreme Heat Days

93

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
5.1"
4.5"
4.7"
5.2"
4.3"
5.4"
4.3"
3.9"
4.1"
4.4"
4.9"
5.5"
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

6,290

Excellent for heat-loving crops

Last spring frost (32°F): 03/09
First fall frost (32°F): 11/18

Seasonal Overview

Comfort ZoneSpring59°73°14.2"Summer80°83°13.6"Fall57°77°13.4"Winter48°52°15.1"20°40°60°80°100°

National Comparison

Warmer than 90% of US counties
Wetter than 90% of US counties
More seasonal variation than 13% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Newton County

Climate Verdict

Newton County has a warm, averaging 66.0°F year-round, very wet conditions receiving 56.2 inches of precipitation annually, significant summer heat with 92.7 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 48.3°F. summers are hot, with July averaging 82.6°F. The 34°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

Newton County closely matches the Texas statewide average temperature of 65.5°F, it is also noticeably wetter, receiving 24.3 inches more precipitation than the state average.

Climate Profile

About Newton County Weather

A Humid and Hot National Outlier

Newton County is much warmer and wetter than the national median, with an annual average temperature of 66.0°F. It represents the classic humid subtropical climate found along the Gulf Coast border.

Texas Humidity at its Peak

While the temperature of 66.0°F is close to the state average of 65.5°F, the rainfall is another story. Newton receives 56.2 inches of rain, far exceeding the state average of 31.9 inches.

One of the Wettest in Texas

With 56.2 inches of annual precipitation, Newton is significantly wetter than its central and western Texas counterparts. It sees zero inches of snowfall on average, which is rare even for many other Texas counties.

Sweltering Summers and Wet Winters

The county faces 93 days above 90°F, with a summer average of 81.6°F. Winters remain very mild, with a January average of 48.3°F and frequent heavy rainfall.

Gear Up for Heavy Rain

Waterproofing and mold prevention are essential with 56.2 inches of annual rain. Residents should also invest in durable summer cooling to manage 93 days of extreme heat.

Frequently Asked Questions

What is the average temperature in Newton County?
The average annual temperature in Newton County, TX is 66.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Newton County get?
Newton County receives an average of 56.2 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 Newton County?
Newton County receives little to no measurable snowfall in a typical year, based on NOAA 30-year climate normals.
How hot does Newton County get in summer?
The average summer temperature (June-August) in Newton County is 81.6°F. The county experiences an average of 93 days per year above 90°F.
How cold are winters in Newton County?
The average winter temperature (December-February) in Newton County is 49.9°F. January, typically the coldest month, averages 48.3°F.

Track your own weather in Newton County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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
← Back to Texas