PlainClimate
NOAA 1991–2020 normals 67°F annual avg Public-domain federal data

Boerne, TX Climate

Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →

67°F
Avg annual temp
97/100
Comfort score
37.5"
Annual precip
243d
Growing season

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

The climate verdict for Boerne

Boerne, Texas averages 67°F a year and scores 97/100 on the comfort index - excellent, milder than 98% of U.S. cities.

67°F
yearly average temperature, NOAA normal
97/100
comfort score, milder than 98% of U.S. cities
37.5"
precipitation, annual total
243 days
growing season, frost-free days

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

Avg Temperature

67°F (19°C)

Avg High

78°F

Avg Low

55°F

Annual Precip

37.5"

Annual Snow

0.1"

Comfort Score

97/100

Excellent

Climate Comfort Score

97/100

Excellent

Avg Annual Temperature

67°F

30-year mean (NOAA NCEI)

Annual Precipitation

37.5"

Liquid-equivalent total

Comfort score vs national 100-point ceiling (Boerne) 97.0%
National median (63)

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

How Boerne compares to every U.S. city

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

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

97 Top 2% higher than 98% 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 Boerne

Methodology

How the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Boerne captures average conditions across the spread shown, the most recent decade is warmer than the 30-year mean.

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 62°F (16°C) 37°F (3°C) 49°F (9°C)
February 66°F (19°C) 41°F (5°C) 53°F (12°C)
March 72°F (22°C) 47°F (8°C) 60°F (15°C)
April 79°F (26°C) 54°F (12°C) 66°F (19°C)
May 84°F (29°C) 63°F (17°C) 73°F (23°C)
June 90°F (32°C) 69°F (21°C) 79°F (26°C)
July 93°F (34°C) 71°F (22°C) 82°F (28°C)
August 94°F (35°C) 71°F (21°C) 82°F (28°C)
September 89°F (31°C) 65°F (18°C) 77°F (25°C)
October 81°F (27°C) 56°F (13°C) 68°F (20°C)
November 70°F (21°C) 45°F (7°C) 58°F (14°C)
December 63°F (17°C) 38°F (3°C) 50°F (10°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 2.3"

6.8 days with precipitation

February 2.2"

7.2 days with precipitation

March 2.8"

7.9 days with precipitation

April 2.5"

5.9 days with precipitation

May 5.3"

8.2 days with precipitation

June 3.8"

6.6 days with precipitation

July 2.8"

4.8 days with precipitation

August 2.8"

4.6 days with precipitation

September 3.9"

7.2 days with precipitation

October 3.9"

6.5 days with precipitation

November 2.9"

6.8 days with precipitation

December 2.3"

Snow: 0.1"

6.7 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

November 13

50% probability date

Last Spring Freeze

March 15

50% probability date

Growing Season

243 days

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

1,916

Higher = more heating needed

Cooling Degree Days

2,480

Higher = more cooling needed

Warmest Month

August

Coldest Month

January

What Boerne's climate means for you

Boerne runs 67°F a year - peaking in August, coldest in January.

  • Gardeners get about 243 frost-free days, with the last spring freeze near March 15 - plan the planting calendar around it, not the regional average.
  • Energy bills track 1,916 heating and 2,480 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: Boerne, TX

Boerne, Texas runs an annual average of 67°F, ranging from a mean daily high of 78°F to a mean daily low of 55°F, per NOAA's 1991–2020 climate normals. August is typically the warmest month of the year, while January is the coldest. Drawn from station USC00410902, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.

Anyone planning to live, garden, or travel in Boerne should weigh precipitation alongside temperature: the annual average runs 37.5 inches, with negligible snowfall. The frost-free season averages 243 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 15 and the first fall freeze near November 13. And on the energy front, 1,916 heating degree days and 2,480 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Boerne scores 97/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. For planning purposes, look to the monthly tables above: shoulder seasons bring the mildest highs and lows, summer brings August-driven heat, and deep winter brings January-driven cold. Treat every figure here as a thirty-year average rather than a forecast - individual years routinely run warmer, cooler, wetter, or drier than the normal.

Frequently Asked Questions

What is the average temperature in Boerne, TX?
The average annual temperature in Boerne, Texas is 67°F. The warmest month averages 94°F (35°C) and the coldest averages 37°F (3°C).
How much rain does Boerne get?
Boerne receives 37.5 inches of precipitation annually, including 0.1 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Boerne?
Boerne has a climate comfort score of 97/100 (Excellent), milder than 98% of U.S. cities in the PlainClimate database.
When is the growing season in Boerne?
Boerne has approximately 243 frost-free days per year, with the last spring freeze around March 15 and the first fall freeze around November 13.
How much energy does heating and cooling require in Boerne?
Boerne has 1,916 heating degree days and 2,480 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 Boerne climate data come from?
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00410902 near Boerne.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00410902. 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.