Climate Comfort Score
74/100
Good
NOAA 1991–2020 normals 77°F annual avg Public-domain federal data
Mcallen Miller, TX Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 77°F
- Avg annual temp
- 74/100
- Comfort score
- 22.2"
- Annual precip
- -6d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Mcallen Miller
Mcallen Miller, Texas averages 77°F a year and scores 74/100 on the comfort index - good, milder than 71% of U.S. cities.
- 77°F
- yearly average temperature, NOAA normal
- 74/100
- comfort score, milder than 71% of U.S. cities
- 22.2"
- yearly precipitation total
- -6 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
77°F (25°C)
Avg High
87°F
Avg Low
67°F
Annual Precip
22.2"
Comfort Score
74/100
Good
Avg Annual Temperature
77°F
30-year mean (NOAA NCEI)
Annual Precipitation
22.2"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Mcallen Miller) 74.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Good for the Mcallen Miller area.
How Mcallen Miller compares to every U.S. city
Mcallen Miller's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
74 Top 29% higher than 71% 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 Mcallen Miller
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Mcallen Miller's current NOAA 1991-2020 normal sits within that longer spread, and the most recent decade runs 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 | 73°F (23°C) | 53°F (12°C) | 63°F (17°C) | 0.8" | 0.3 | 0.4 |
| February | 77°F (25°C) | 57°F (14°C) | 67°F (20°C) | 0.7" | 0.3 | 2.2 |
| March | 83°F (28°C) | 63°F (17°C) | 73°F (23°C) | 1.4" | 0.0 | 5.7 |
| April | 88°F (31°C) | 68°F (20°C) | 78°F (26°C) | 1.4" | 0.0 | 12.8 |
| May | 93°F (34°C) | 74°F (23°C) | 84°F (29°C) | 2.0" | 0.0 | 23.6 |
| June | 97°F (36°C) | 78°F (26°C) | 88°F (31°C) | 3.0" | 0.0 | 28.4 |
| July | 99°F (37°C) | 79°F (26°C) | 89°F (31°C) | 2.0" | 0.0 | 29.8 |
| August | 100°F (38°C) | 79°F (26°C) | 89°F (32°C) | 1.8" | 0.0 | 30.0 |
| September | 94°F (35°C) | 76°F (24°C) | 85°F (29°C) | 4.6" | 0.0 | 24.2 |
| October | 89°F (32°C) | 69°F (20°C) | 79°F (26°C) | 2.1" | 0.0 | 16.4 |
| November | 80°F (27°C) | 60°F (16°C) | 70°F (21°C) | 1.2" | 0.0 | 3.0 |
| December | 74°F (23°C) | 54°F (12°C) | 64°F (18°C) | 1.1" | 0.2 | 0.5 |
Monthly Precipitation
Average monthly rainfall
January 0.8"
6.1 days with precipitation
February 0.7"
4.5 days with precipitation
March 1.4"
4.4 days with precipitation
April 1.4"
3.8 days with precipitation
May 2.0"
4.3 days with precipitation
June 3.0"
4.8 days with precipitation
July 2.0"
4.7 days with precipitation
August 1.8"
4.7 days with precipitation
September 4.6"
8.0 days with precipitation
October 2.1"
5.8 days with precipitation
November 1.2"
5.2 days with precipitation
December 1.1"
6.1 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
January 3
50% probability date
Last Spring Freeze
January 9
50% probability date
Growing Season
-6 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
453
Higher = more heating needed
Cooling Degree Days
4,989
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
Humidity & Wind
Monthly averages from hourly observations
| Month | Humidity | Wind (mph) | Clear Sky % | Overcast % |
|---|---|---|---|---|
| January | 68% | 9.6 | 47% | 32% |
| February | 65% | 11.2 | 49% | 24% |
| March | 67% | 12.0 | 44% | 23% |
| April | 68% | 12.5 | 45% | 20% |
| May | 69% | 11.7 | 47% | 7% |
| June | 69% | 11.8 | 53% | 4% |
| July | 65% | 11.6 | 64% | 1% |
| August | 68% | 8.7 | 57% | 3% |
| September | 69% | 8.2 | 59% | 7% |
| October | 67% | 9.3 | 56% | 17% |
| November | 68% | 9.0 | 53% | 23% |
| December | 68% | 9.3 | 52% | 29% |
What Mcallen Miller's climate means for you
Mcallen Miller runs 77°F a year - peaking in August, coldest in January.
- Gardeners get about -6 frost-free days, with the last spring freeze near January 9 - plan the planting calendar around it, not the regional average.
- Energy bills track 453 heating and 4,989 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: Mcallen Miller, TX
Mcallen Miller, Texas runs an annual average of 77°F, ranging from a mean daily high of 87°F to a mean daily low of 67°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 USW00012959, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Rainfall (and snow, where it falls) shapes day-to-day life here as much as temperature does. Mcallen Miller sees about 22.2 inches of precipitation a year, predominantly as rainfall. The frost-free season averages -6 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 9 and the first fall freeze near January 3. On the energy side, 453 heating degree days and 4,989 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Mcallen Miller scores 74/100 (Good), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Shoulder seasons bring the mildest highs and lows in the monthly tables above, summer brings August-driven heat, and winter brings January-driven cold - use that rhythm for planning. These figures are thirty-year averages rather than forecasts, so a specific year may still run warmer, cooler, wetter, or drier than what's shown.
Frequently Asked Questions
What is the average temperature in Mcallen Miller, TX? ▼
The average annual temperature in Mcallen Miller, Texas is 77°F. The warmest month averages 100°F (38°C) and the coldest averages 53°F (12°C).
How much rain does Mcallen Miller get? ▼
Mcallen Miller receives 22.2 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Mcallen Miller? ▼
Mcallen Miller has a climate comfort score of 74/100 (Good), milder than 71% of U.S. cities in the PlainClimate database.
When is the growing season in Mcallen Miller? ▼
Mcallen Miller has approximately -6 frost-free days per year, with the last spring freeze around January 9 and the first fall freeze around January 3.
How much energy does heating and cooling require in Mcallen Miller? ▼
Mcallen Miller has 453 heating degree days and 4,989 cooling degree days annually, a cooling-dominated climate. 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 Mcallen Miller climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USW00012959 near Mcallen Miller.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USW00012959. 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.