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Mills County Climate

JanFebMarAprMayJunJulAugSepOctNovDec64.7°AVG °F

Avg Annual Temp

64.7°F

Annual Precip

31.8"

Annual Snowfall

0.1"

Extreme Heat Days

89

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
1.8"
2.2"
2.4"
2.6"
4.2"
4.3"
2.2"
2.3"
2.7"
3.3"
2.1"
1.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

8b

Minimum winter temperature range for plant survival

Growing Degree Days

5,974

Excellent for heat-loving crops

Last spring frost (32°F): 03/23
First fall frost (32°F): 11/11

Seasonal Overview

Comfort ZoneSpring57°72°9.3"Summer79°82°8.7"Fall55°76°8.1"Winter46°50°5.7"20°40°60°80°100°

National Comparison

Warmer than 86% of US counties
Wetter than 29% of US counties
More seasonal variation than 19% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Mills County

Climate Verdict

Mills County has a warm, averaging 64.7°F year-round, moderate rainfall of 31.8 inches per year, significant summer heat with 88.5 days annually 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 45.5°F. summers are hot, with July averaging 81.8°F. The 36°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

Mills County closely matches the Texas statewide average temperature of 65.5°F, the county experiences 16.341873382675814 fewer extreme heat days than the state average.

Climate Profile

About Mills County Weather

A Classic Central Texas Climate

Mills County averages 64.7°F annually, which is nearly 12 degrees warmer than the national median. It maintains a moderate precipitation level of 31.8 inches per year.

A Near-Perfect Match for Texas Averages

With an average temperature of 64.7°F and 31.8 inches of rain, Mills mirrors the Texas averages of 65.5°F and 31.9 inches. It serves as a representative sample of the state's climate.

Cooler and Drier than Milam County

Mills is slightly cooler than Milam County to the southeast and receives nearly 6 inches less rainfall. Snowfall remains rare here, averaging just 0.1 inches annually.

Hot Summers with Rare Winter Snow

July averages 81.8°F, contributing to a total of 89 extreme heat days each year. Winters are cool but mild, with an average temperature of 47.5°F and virtually no snow.

Insulation and Cooling are Key

Homeowners should prioritize attic insulation to combat the 89 days of extreme summer heat. Minimal winter prep is required as snowfall is negligible at 0.1 inches.

Frequently Asked Questions

What is the average temperature in Mills County?
The average annual temperature in Mills County, TX is 64.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Mills County get?
Mills County receives an average of 31.8 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 Mills County?
Yes, Mills County receives an average of 0.1 inches of snowfall per year according to NOAA climate normals.
How hot does Mills County get in summer?
The average summer temperature (June-August) in Mills County is 80.9°F. The county experiences an average of 89 days per year above 90°F.
How cold are winters in Mills County?
The average winter temperature (December-February) in Mills County is 47.5°F. January, typically the coldest month, averages 45.5°F.

Track your own weather in Mills 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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