Climate Comfort Score
92/100
Excellent
NOAA 1991–2020 normals 68°F annual avg Public-domain federal data
Brenham, TX Climate
Annual temperature, rainfall, and a comfort score, sourced from NOAA NCEI's 1991–2020 normals →
- 68°F
- Avg annual temp
- 92/100
- Comfort score
- 48.0"
- Annual precip
- 273d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Brenham
Brenham, Texas averages 68°F a year and scores 92/100 on the comfort index - excellent, milder than 94% of U.S. cities.
- 68°F
- average temperature, NOAA 1991-2020 normal
- 92/100
- comfort score, milder than 94% of U.S. cities
- 48.0"
- annual precipitation
- 273 days
- frost-free days per growing season
Based on NOAA U.S. Climate Normals (1991–2020) - 30-year averages describing the typical year, not a forecast.
Avg Temperature
68°F (20°C)
Avg High
79°F
Avg Low
57°F
Annual Precip
48.0"
Comfort Score
92/100
Excellent
Avg Annual Temperature
68°F
30-year mean (NOAA NCEI)
Annual Precipitation
48.0"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Brenham) 92.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Brenham area.
How Brenham compares to every U.S. city
Brenham's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
92 Top 6% higher than 94% of 6,915 US cities
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 Brenham
MethodologyBrenham's NOAA 1991-2020 normal sits inside a longer story: U.S. land temperatures have been tracking (and drifting from) the global mean since 1900, and the chart below shows that spread, with the most recent decade running warmer than the 30-year mean.
- 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
Monthly Temperatures
Average daily high and low temperatures by month
| Month | Avg High | Avg Low | Mean | Precip | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|
| January | 61°F (16°C) | 40°F (4°C) | 50°F (10°C) | 3.7" | 6.2 | 0.0 |
| February | 64°F (18°C) | 43°F (6°C) | 54°F (12°C) | 3.4" | 3.2 | 0.1 |
| March | 71°F (22°C) | 49°F (10°C) | 60°F (16°C) | 3.6" | 1.3 | 0.2 |
| April | 78°F (26°C) | 57°F (14°C) | 67°F (20°C) | 3.6" | 0.0 | 1.0 |
| May | 85°F (29°C) | 65°F (18°C) | 75°F (24°C) | 5.4" | 0.0 | 8.4 |
| June | 91°F (33°C) | 72°F (22°C) | 81°F (27°C) | 4.5" | 0.0 | 22.4 |
| July | 94°F (34°C) | 74°F (23°C) | 84°F (29°C) | 2.6" | 0.0 | 27.3 |
| August | 95°F (35°C) | 74°F (23°C) | 84°F (29°C) | 3.8" | 0.0 | 28.5 |
| September | 90°F (32°C) | 68°F (20°C) | 79°F (26°C) | 4.6" | 0.0 | 18.9 |
| October | 81°F (27°C) | 59°F (15°C) | 70°F (21°C) | 5.1" | 0.0 | 5.0 |
| November | 70°F (21°C) | 48°F (9°C) | 59°F (15°C) | 4.2" | 1.5 | 0.0 |
| December | 63°F (17°C) | 41°F (5°C) | 52°F (11°C) | 3.7" | 5.3 | 0.0 |
Monthly Precipitation
Average monthly rainfall
January 3.7"
9.6 days with precipitation
February 3.4"
9.0 days with precipitation
March 3.6"
8.6 days with precipitation
April 3.6"
7.1 days with precipitation
May 5.4"
7.3 days with precipitation
June 4.5"
7.5 days with precipitation
July 2.6"
5.8 days with precipitation
August 3.8"
6.3 days with precipitation
September 4.6"
7.0 days with precipitation
October 5.1"
6.7 days with precipitation
November 4.2"
7.7 days with precipitation
December 3.7"
8.8 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 30
50% probability date
Last Spring Freeze
March 2
50% probability date
Growing Season
273 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
1,738
Higher = more heating needed
Cooling Degree Days
2,852
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
What Brenham's climate means for you
Brenham runs 68°F a year - peaking in August, coldest in January.
- Gardeners get about 273 frost-free days, with the last spring freeze near March 2 - plan the planting calendar around it, not the regional average.
- Energy bills track 1,738 heating and 2,852 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: Brenham, TX
In Brenham, Texas, the NOAA 1991–2020 climate normals put the annual average temperature at 68°F, ranging from a mean daily high of 79°F to a mean daily low of 57°F. August is typically the warmest month of the year, while January is the coldest. As thirty-year averages computed from station USC00411048, these numbers smooth out year-to-year noise into a working baseline for a typical month.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Brenham receives roughly 48.0 inches of precipitation each year, predominantly as rainfall. The frost-free season averages 273 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near March 2 and the first fall freeze near November 30. For energy use, 1,738 heating degree days and 2,852 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Brenham scores 92/100 (Excellent), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows, shoulder seasons for mild highs and lows, peak summer for August-driven heat, or deep winter for January-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.
Frequently Asked Questions
What is the average temperature in Brenham, TX? ▼
The average annual temperature in Brenham, Texas is 68°F. The warmest month averages 95°F (35°C) and the coldest averages 40°F (4°C).
How much rain does Brenham get? ▼
Brenham receives 48.0 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Brenham? ▼
Brenham has a climate comfort score of 92/100 (Excellent), milder than 94% of U.S. cities in the PlainClimate database.
When is the growing season in Brenham? ▼
Brenham has approximately 273 frost-free days per year, with the last spring freeze around March 2 and the first fall freeze around November 30.
How much energy does heating and cooling require in Brenham? ▼
Brenham has 1,738 heating degree days and 2,852 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 Brenham climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00411048 near Brenham.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00411048. For informational purposes only.
Read our methodology - how this data is sourced, computed, and verified.
Related
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.