Climate Comfort Score
83/100
Excellent
NOAA 1991–2020 normals 65°F annual avg Public-domain federal data
Grandfalls, TX Climate
Temperature, precipitation, and comfort score from NOAA NCEI 1991–2020 normals →
- 65°F
- Avg annual temp
- 83/100
- Comfort score
- 13.7"
- Annual precip
- 215d
- Growing season
30-year climate normals from 1 weather station (1991-2020).
The climate verdict for Grandfalls
Grandfalls, Texas averages 65°F a year and scores 83/100 on the comfort index - excellent, milder than 85% of U.S. cities.
- 65°F
- yearly average temperature, NOAA normal
- 83/100
- comfort score, milder than 85% of U.S. cities
- 13.7"
- annual precipitation · 1" snow
- 215 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
65°F (18°C)
Avg High
82°F
Avg Low
49°F
Annual Precip
13.7"
Annual Snow
1.4"
Comfort Score
83/100
Excellent
Avg Annual Temperature
65°F
30-year mean (NOAA NCEI)
Annual Precipitation
13.7"
Plus 1.4" of snow
Comfort score vs national 100-point ceiling (Grandfalls) 83.0%
National median (63)
PlainClimate composite, temperature mildness, humidity, precipitation, extreme-weather frequency. Excellent for the Grandfalls area.
How Grandfalls compares to every U.S. city
Grandfalls's comfort score vs. all U.S. cities
PlainClimate composite comfort index (1–100), NOAA 1991–2020 normals
83 Top 15% higher than 85% 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 Grandfalls
MethodologyZooming out from Grandfalls's own normal, the chart below shows how the U.S. land temperature anomaly has tracked the global mean since 1900 - the most recent decade sits warmer than the 30-year mean shown here.
- 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 | Snow | Freeze Days | 90°F+ Days |
|---|---|---|---|---|---|---|---|
| January | 61°F (16°C) | 27°F (-3°C) | 44°F (7°C) | 0.6" | 0.9" | 22.6 | 0.0 |
| February | 65°F (19°C) | 32°F (0°C) | 49°F (9°C) | 0.5" | 0.1" | 13.3 | 0.5 |
| March | 75°F (24°C) | 39°F (4°C) | 57°F (14°C) | 0.5" | 0.0" | 5.9 | 3.1 |
| April | 84°F (29°C) | 47°F (8°C) | 66°F (19°C) | 0.8" | 0.0" | 1.1 | 10.6 |
| May | 92°F (33°C) | 58°F (15°C) | 75°F (24°C) | 1.5" | 0.0" | 0.1 | 18.5 |
| June | 98°F (37°C) | 67°F (20°C) | 83°F (28°C) | 1.9" | 0.0" | 0.0 | 27.7 |
| July | 98°F (37°C) | 69°F (21°C) | 84°F (29°C) | 1.5" | 0.0" | 0.0 | 27.8 |
| August | 98°F (37°C) | 68°F (20°C) | 83°F (28°C) | 1.8" | 0.0" | 0.0 | 28.5 |
| September | 91°F (33°C) | 62°F (17°C) | 77°F (25°C) | 2.2" | 0.0" | 0.0 | 18.6 |
| October | 83°F (28°C) | 49°F (9°C) | 66°F (19°C) | 1.2" | 0.0" | 1.5 | 9.1 |
| November | 70°F (21°C) | 36°F (2°C) | 53°F (12°C) | 0.4" | 0.0" | 9.5 | 0.6 |
| December | 62°F (17°C) | 28°F (-2°C) | 45°F (7°C) | 0.7" | 0.4" | 21.7 | 0.0 |
Monthly Precipitation
Average monthly rainfall and snowfall
January 0.6"
Snow: 0.9"
3.1 days with precipitation
February 0.5"
Snow: 0.1"
2.6 days with precipitation
March 0.5"
2.0 days with precipitation
April 0.8"
2.4 days with precipitation
May 1.5"
3.6 days with precipitation
June 1.9"
3.8 days with precipitation
July 1.5"
4.1 days with precipitation
August 1.8"
3.9 days with precipitation
September 2.2"
5.0 days with precipitation
October 1.2"
3.4 days with precipitation
November 0.4"
2.0 days with precipitation
December 0.7"
Snow: 0.4"
3.1 days with precipitation
Frost Dates & Growing Season
First Fall Freeze
November 3
50% probability date
Last Spring Freeze
April 2
50% probability date
Growing Season
215 days
Heating & Cooling Degree Days
Annual totals indicate energy demand for heating and cooling
Heating Degree Days
2,550
Higher = more heating needed
Cooling Degree Days
2,590
Higher = more cooling needed
Warmest Month
July
Coldest Month
January
What Grandfalls's climate means for you
Grandfalls runs 65°F a year - peaking in July, coldest in January.
- Gardeners get about 215 frost-free days, with the last spring freeze near April 2 - plan the planting calendar around it, not the regional average.
- Energy bills track 2,550 heating and 2,590 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: Grandfalls, TX
Grandfalls, Texas runs an annual average of 65°F, ranging from a mean daily high of 82°F to a mean daily low of 49°F, per NOAA's 1991–2020 climate normals. July is typically the warmest month of the year, while January is the coldest. Drawn from station USC00413680, these thirty-year averages smooth out year-to-year swings into a baseline for what a typical month looks like here.
Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Grandfalls receives roughly 13.7 inches of precipitation each year, with 1.4 inches typically falling as snow. The frost-free season averages 215 days, which directly shapes the planting calendar and growing potential for the area, with the last spring freeze near April 2 and the first fall freeze near November 3. For energy use, 2,550 heating degree days and 2,590 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.
On PlainClimate's composite comfort index, Grandfalls scores 83/100 (Excellent), 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 July-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 Grandfalls, TX? ▼
The average annual temperature in Grandfalls, Texas is 65°F. The warmest month averages 98°F (37°C) and the coldest averages 27°F (-3°C).
How much rain does Grandfalls get? ▼
Grandfalls receives 13.7 inches of precipitation annually, including 1.4 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Grandfalls? ▼
Grandfalls has a climate comfort score of 83/100 (Excellent), milder than 85% of U.S. cities in the PlainClimate database.
When is the growing season in Grandfalls? ▼
Grandfalls has approximately 215 frost-free days per year, with the last spring freeze around April 2 and the first fall freeze around November 3.
How much energy does heating and cooling require in Grandfalls? ▼
Grandfalls has 2,550 heating degree days and 2,590 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 Grandfalls climate data come from? ▼
NOAA U.S. Climate Normals v1.0.1 (1991-2020), from weather station USC00413680 near Grandfalls.
Data Sources
Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00413680. 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.