PlainClimate
NOAA 1991–2020 normals 65°F annual avg Public-domain federal data

Stephenville, TX Climate

Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →

65°F
Avg annual temp
93/100
Comfort score
34.1"
Annual precip
224d
Growing season

30-year climate normals from 1 weather station (1991-2020).

The climate verdict for Stephenville

Stephenville, Texas averages 65°F a year and scores 93/100 on the comfort index - excellent, milder than 95% of U.S. cities.

65°F
yearly average temperature, NOAA normal
93/100
comfort score, milder than 95% of U.S. cities
34.1"
annual precipitation · 1" snow
224 days
frost-free growing season

Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.

Avg Temperature

65°F (18°C)

Avg High

79°F

Avg Low

51°F

Annual Precip

34.1"

Annual Snow

0.7"

Comfort Score

93/100

Excellent

Climate Comfort Score

93/100

Excellent

Avg Annual Temperature

65°F

30-year mean (NOAA NCEI)

Annual Precipitation

34.1"

Plus 0.7" of snow

Comfort score vs national 100-point ceiling (Stephenville) 93.0%
National median (63)

PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Stephenville area.

How Stephenville compares to every U.S. city

Stephenville's comfort score vs. all U.S. cities

PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals

93 Top 5% higher than 95% of 6,915 US cities

0–10: 0 US cities (0%). Below this entry. 10–20: 0 US cities (0%). Below this entry. 20–30: 58 US cities (1%). Below this entry. 30–40: 439 US cities (6%). Below this entry. 40–50: 1,302 US cities (19%). Below this entry. 50–60: 1,433 US cities (21%). Below this entry. 60–70: 1,357 US cities (20%). Below this entry. 70–80: 1,102 US cities (16%). Below this entry. 80–90: 778 US cities (11%). Below this entry. 90–100: 420 US cities (6%). This entry sits in this band. This city 0 100 every U.S. city, bucketed by value

Each bar is a band; taller bars hold more US cities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source NOAA U.S. Climate Normals, PlainClimate comfort index · 1991–2020

Warming context for Stephenville

Methodology

The chart below traces how the U.S. land temperature anomaly has moved against the global mean since 1900. For Stephenville, the NOAA 1991-2020 normal captures average conditions across that spread - notably, the most recent decade runs warmer than the 30-year mean itself.

Warming context, U.S. vs global, with Paris reference lines Anomaly chart from 1900 to 2024. Local series shows warming of 0.11 °C per decade versus a global rate of 0.11 °C per decade (ratio 1.00). Paris Agreement thresholds at 1.5 and 2.0 °C are dashed. -1.0°C -0.5°C +0.0°C +0.5°C +1.0°C +1.5°C +2.0°C +2.5°C Paris 1.5°C Paris 2.0°C 1900192019401960198020002020
  • United States land mean (NOAA NCEI) +0.11 °C/decade
  • Global anomaly (NASA GISTEMP) +0.11 °C/decade
  • Paris Agreement thresholds 1.5°C / 2.0°C
Sources: NOAA NCEI, NASA GISTEMP. Paris thresholds per IPCC AR6 WG1.

Monthly Temperatures

Average daily high and low temperatures by month

Month Avg High Avg Low Mean
January 59°F (15°C) 31°F (-1°C) 45°F (7°C)
February 63°F (17°C) 35°F (2°C) 49°F (9°C)
March 70°F (21°C) 42°F (6°C) 56°F (14°C)
April 79°F (26°C) 50°F (10°C) 64°F (18°C)
May 86°F (30°C) 60°F (16°C) 73°F (23°C)
June 93°F (34°C) 68°F (20°C) 80°F (27°C)
July 97°F (36°C) 71°F (21°C) 84°F (29°C)
August 98°F (36°C) 70°F (21°C) 84°F (29°C)
September 90°F (32°C) 63°F (17°C) 76°F (25°C)
October 81°F (27°C) 52°F (11°C) 66°F (19°C)
November 69°F (20°C) 41°F (5°C) 55°F (13°C)
December 61°F (16°C) 33°F (1°C) 47°F (8°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 1.8"

Snow: 0.4"

6.1 days with precipitation

February 2.2"

6.4 days with precipitation

March 2.8"

7.7 days with precipitation

April 2.9"

5.8 days with precipitation

May 5.0"

7.9 days with precipitation

June 3.3"

6.0 days with precipitation

July 2.0"

4.9 days with precipitation

August 3.0"

5.2 days with precipitation

September 3.3"

5.9 days with precipitation

October 3.3"

7.1 days with precipitation

November 2.3"

5.7 days with precipitation

December 2.2"

Snow: 0.3"

5.6 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

November 8

50% probability date

Last Spring Freeze

March 29

50% probability date

Growing Season

224 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

2,484

Higher = more heating needed

Cooling Degree Days

2,502

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

What Stephenville's climate means for you

Stephenville runs 65°F a year - peaking in July, coldest in January.

  • Gardeners get about 224 frost-free days, with the last spring freeze near March 29 - plan the planting calendar around it, not the regional average.
  • Energy bills track 2,484 heating and 2,502 cooling degree days a year, higher means the furnace or AC runs more.
  • Comparing places to live? Line this city up against nearby cities and the national rankings. See rankings

These are 30-year NOAA normals (1991–2020) - the typical year, not a forecast for any specific season.

Climate Guides

Climate Insight: Stephenville, TX

The NOAA 1991–2020 climate normals describe Stephenville, Texas as a location with an annual average temperature of 65°F, ranging from a mean daily high of 79°F to a mean daily low of 51°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USW00003969, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Anyone planning to live, garden, or travel in Stephenville should weigh precipitation alongside temperature: the annual average runs 34.1 inches, with 0.7 inches typically falling as snow. The frost-free season averages 224 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 29 and the first fall freeze near November 8. And on the energy front, 2,484 heating degree days and 2,502 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Stephenville scores 93/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. The monthly tables above turn that into a planning tool: expect the mildest highs and lows in the shoulder seasons, July-driven heat at the peak of summer, and January-driven cold at the depth of winter. Every number here is a thirty-year average, not a forecast, so any given year can and does run warmer, cooler, wetter, or drier than the normal.

Frequently Asked Questions

What is the average temperature in Stephenville, TX?
The average annual temperature in Stephenville, Texas is 65°F. The warmest month averages 98°F (36°C) and the coldest averages 31°F (-1°C).
How much rain does Stephenville get?
Stephenville receives 34.1 inches of precipitation annually, including 0.7 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Stephenville?
Stephenville has a climate comfort score of 93/100 (Excellent), milder than 95% of U.S. cities in the PlainClimate database.
When is the growing season in Stephenville?
Stephenville has approximately 224 frost-free days per year, with the last spring freeze around March 29 and the first fall freeze around November 8.
How much energy does heating and cooling require in Stephenville?
Stephenville has 2,484 heating degree days and 2,502 cooling degree days annually, a fairly balanced heating/cooling split. See our <a href="/guides/reading-weather-data/" class="underline hover:text-brand-600">guide to reading weather data</a> for what these figures mean.
Where does this Stephenville climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00003969 near Stephenville.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00003969. For informational purposes only.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial

Every figure on PlainClimate is rendered directly from NOAA 1991-2020 U.S. Climate Normals data, no number is typed in by an editor. This page draws directly on NOAA 1991-2020 U.S. Climate Normals data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.