Climate Comfort Score
95/100
Excellent
NOAA 1991–2020 normals 75°F annual avg Public-domain federal data
Weslaco, TX Climate
Explore average temperature, rainfall, and comfort score sourced from NOAA NCEI's 1991–2020 climate normals →
- 75°F
- Avg annual temp
- 95/100
- Comfort score
- 25.7"
- Annual precip
- 357d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Weslaco
Weslaco, Texas averages 75°F a year and scores 95/100 on the comfort index - excellent, milder than 98% of U.S. cities.
- 75°F
- yearly average temperature, NOAA normal
- 95/100
- comfort score, milder than 98% of U.S. cities
- 25.7"
- precipitation, annual total
- 357 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
75°F (24°C)
Avg High
85°F
Avg Low
65°F
Annual Precip
25.7"
Comfort Score
95/100
Excellent
Avg Annual Temperature
75°F
30-year mean (NOAA NCEI)
Annual Precipitation
25.7"
Liquid-equivalent total
Comfort score vs national 100-point ceiling (Weslaco) 95.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Weslaco area.
How Weslaco compares to every U.S. city
Weslaco's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
95 Top 2% higher than 98% 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 Weslaco
MethodologySince 1900, U.S. land temperatures have tracked (and diverged from) the global mean - the chart below shows how. Weslaco'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 | 71°F (22°C) | 50°F (10°C) | 61°F (16°C) | 1.0" | 0.3 | 0.2 |
| February | 75°F (24°C) | 54°F (12°C) | 64°F (18°C) | 0.9" | 0.5 | 1.0 |
| March | 81°F (27°C) | 60°F (16°C) | 70°F (21°C) | 1.4" | 0.0 | 3.1 |
| April | 86°F (30°C) | 65°F (18°C) | 76°F (24°C) | 1.5" | 0.0 | 8.9 |
| May | 90°F (32°C) | 72°F (22°C) | 81°F (27°C) | 2.6" | 0.0 | 20.8 |
| June | 95°F (35°C) | 76°F (24°C) | 85°F (30°C) | 2.8" | 0.0 | 27.4 |
| July | 96°F (35°C) | 77°F (25°C) | 86°F (30°C) | 2.2" | 0.0 | 29.3 |
| August | 97°F (36°C) | 76°F (25°C) | 87°F (31°C) | 1.9" | 0.0 | 29.7 |
| September | 92°F (33°C) | 73°F (23°C) | 82°F (28°C) | 5.6" | 0.0 | 22.1 |
| October | 87°F (31°C) | 66°F (19°C) | 77°F (25°C) | 2.8" | 0.0 | 15.3 |
| November | 80°F (27°C) | 58°F (15°C) | 69°F (21°C) | 1.6" | 0.0 | 2.1 |
| December | 72°F (22°C) | 52°F (11°C) | 62°F (17°C) | 1.3" | 0.2 | 0.2 |
Monthly Precipitation
Average monthly rainfall
January 1.0"
February 0.9"
March 1.4"
April 1.5"
May 2.6"
June 2.8"
July 2.2"
August 1.9"
September 5.6"
October 2.8"
November 1.6"
December 1.3"
Frost Dates & Growing Season
First Fall Freeze
December 31
50% probability date
Last Spring Freeze
January 8
50% probability date
Growing Season
357 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
580
Higher = more heating needed
Cooling Degree Days
4,251
Higher = more cooling needed
Warmest Month
August
Coldest Month
January
What Weslaco's climate means for you
Weslaco runs 75°F a year - peaking in August, coldest in January.
- Gardeners get about 357 frost-free days, with the last spring freeze near January 8 - plan the planting calendar around it, not the regional average.
- Energy bills track 580 heating and 4,251 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: Weslaco, TX
The NOAA 1991–2020 climate normals describe Weslaco, Texas as a location with an annual average temperature of 75°F, ranging from a mean daily high of 85°F to a mean daily low of 65°F. August is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00419588, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.
Weslaco averages 25.7 inches of precipitation a year, predominantly as rainfall, and that matters as much to daily life here as temperature does. The frost-free season averages 357 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near January 8 and the first fall freeze near December 31. As for energy demand, 580 heating degree days and 4,251 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Weslaco scores 95/100 (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 Weslaco, TX? ▼
The average annual temperature in Weslaco, Texas is 75°F. The warmest month averages 97°F (36°C) and the coldest averages 50°F (10°C).
How much rain does Weslaco get? ▼
Weslaco receives 25.7 inches of precipitation annually. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Weslaco? ▼
Weslaco has a climate comfort score of 95/100 (Excellent), milder than 98% of U.S. cities in the PlainClimate database.
When is the growing season in Weslaco? ▼
Weslaco has approximately 357 frost-free days per year, with the last spring freeze around January 8 and the first fall freeze around December 31.
How much energy does heating and cooling require in Weslaco? ▼
Weslaco has 580 heating degree days and 4,251 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 Weslaco climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00419588 near Weslaco.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00419588. 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.