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Somervell County Climate

JanFebMarAprMayJunJulAugSepOctNovDec64.7°AVG °F

Avg Annual Temp

64.7°F

Annual Precip

34.3"

Annual Snowfall

0.1"

Extreme Heat Days

109

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.1"
2.3"
3.0"
3.0"
4.2"
3.8"
1.8"
2.7"
3.0"
3.8"
2.2"
2.2"
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

6,107

Excellent for heat-loving crops

Last spring frost (32°F): 03/28
First fall frost (32°F): 11/07

Seasonal Overview

Comfort ZoneSpring56°73°10.2"Summer80°85°8.3"Fall55°76°9.0"Winter44°49°6.7"20°40°60°80°100°

National Comparison

Warmer than 86% of US counties
Wetter than 33% of US counties
More seasonal variation than 37% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Somervell County

Climate Verdict

Somervell County has a warm, averaging 64.7°F year-round, moderate rainfall of 34.3 inches per year, significant summer heat with 108.8 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 44.3°F. summers are hot, with July averaging 84.5°F. The 40°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

Somervell County closely matches the Texas statewide average temperature of 65.5°F, it is somewhat wetter than average for Texas.

Climate Profile

About Somervell County Weather

Warmer and Wetter than the National Median

Somervell County maintains an annual average temperature of 64.7°F, significantly higher than the national median of approximately 54°F. The humid subtropical climate brings 34.3 inches of rain per year, slightly exceeding the Texas state average.

A Typical North-Central Texas Climate

The county's average temperature of 64.7°F sits just below the Texas statewide average of 65.5°F. This makes it a representative example of the north-central region's climate patterns.

Wetter Conditions than Western Neighbors

Somervell receives 34.3 inches of precipitation annually, which is significantly higher than Stephens County to the west at 29.7 inches. It shares a similar thermal profile with Tarrant County, though it remains slightly cooler on average.

Intense Summer Heat and Mild Winters

Residents face 109 extreme heat days per year where temperatures reach or exceed 90°F, peaking with a July average of 84.5°F. Winters are manageable with a December-February average of 46.3°F and a negligible 0.1 inches of annual snowfall.

Prepare for Long, Hot Summers

High-efficiency HVAC systems are essential to manage the 100-plus days of extreme heat each year. While snow is rare, residents should prioritize moisture-wicking gear for the humid 34-inch annual rainfall.

Frequently Asked Questions

What is the average temperature in Somervell County?
The average annual temperature in Somervell County, TX is 64.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Somervell County get?
Somervell County receives an average of 34.3 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 Somervell County?
Yes, Somervell County receives an average of 0.1 inches of snowfall per year according to NOAA climate normals.
How hot does Somervell County get in summer?
The average summer temperature (June-August) in Somervell County is 82.9°F. The county experiences an average of 109 days per year above 90°F.
How cold are winters in Somervell County?
The average winter temperature (December-February) in Somervell County is 46.3°F. January, typically the coldest month, averages 44.3°F.

Track your own weather in Somervell 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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