Balmorhea, Texas climate: Normal weather by month, frost dates and records
Balmorhea's normal year runs from 31°F January nights to 94°F July afternoons, with 12.1 inches of precipitation and less than an inch of snow (0.6 in) a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 17.7°C, January lows of −1°C, July highs of 34°C, 307 mm of precipitation a year.
- NOAA stationBalmorhea
- Station IDUSC00410498
- Location30.98°N 103.74°W
- Elevation3,220 ft (982 m)
- From the centerunder 1 mile
- Population391
On October 23, the normal high in Balmorhea is 78°F and the normal low 47°F, and the chance of measurable rain or snow is 8%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Balmorhea.
- Jan 60° 31°
- Feb 66° 34°
- Mar 73° 40°
- Apr 81° 47°
- May 88° 57°
- Jun 95° 66°
- Jul 94° 68°
- Aug 93° 67°
- Sep 87° 60°
- Oct 79° 50°
- Nov 69° 38°
- Dec 61° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Balmorhea each month?
July is the warmest month, with normal highs of 94°F; January the coldest, with normal lows of 31°F. The most precipitation falls in September (2.02 in), the least in March (0.38 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 60°F | 31°F | 45.6°F | 0.66 | 2 | <1 | 19 | 10 h 20 min |
| February | 66°F | 34°F | 49.8°F | 0.41 | 1 | <1 | 13 | 11 h |
| March | 73°F | 40°F | 56.5°F | 0.38 | 1 | 1 | 6 | 12 h |
| April | 81°F | 47°F | 63.9°F | 0.50 | 2 | 6 | 1 | 12 h 50 min |
| May | 88°F | 57°F | 72.6°F | 1.05 | 3 | 16 | <1 | 13 h 40 min |
| June | 95°F | 66°F | 80.3°F | 1.13 | 4 | 25 | <1 | 14 h 10 min |
| July | 94°F | 68°F | 80.7°F | 1.82 | 4 | 26 | <1 | 14 h |
| August | 93°F | 67°F | 79.8°F | 1.87 | 4 | 25 | <1 | 13 h 20 min |
| September | 87°F | 60°F | 73.3°F | 2.02 | 4 | 13 | <1 | 12 h 20 min |
| October | 79°F | 50°F | 64.5°F | 1.09 | 3 | 5 | 1 | 11 h 30 min |
| November | 69°F | 38°F | 53.6°F | 0.60 | 1 | <1 | 7 | 10 h 40 min |
| December | 61°F | 31°F | 46.1°F | 0.57 | 1 | <1 | 18 | 10 h 10 min |
| Year (annual) | 79°F | 49°F | 63.9°F | 12.10 | 29 | 118 | 65 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 16°C | −1°C | 7.6°C | 17 mm |
| February | 19°C | 1°C | 9.9°C | 10 mm |
| March | 23°C | 5°C | 13.6°C | 10 mm |
| April | 27°C | 8°C | 17.7°C | 13 mm |
| May | 31°C | 14°C | 22.6°C | 27 mm |
| June | 35°C | 19°C | 26.8°C | 29 mm |
| July | 34°C | 20°C | 27.1°C | 46 mm |
| August | 34°C | 19°C | 26.6°C | 47 mm |
| September | 30°C | 16°C | 22.9°C | 51 mm |
| October | 26°C | 10°C | 18.1°C | 28 mm |
| November | 21°C | 3°C | 12.0°C | 15 mm |
| December | 16°C | 0°C | 7.8°C | 14 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00410498; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Balmorhea?
Normal highs sit between 65°F and 85°F in February, March, April, October and November. Of those, February has the fewest days with rain (1).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00410498.
When is the last frost in Balmorhea?
In Balmorhea, the last spring frost (32°F) comes after March 29 in half of years and after April 16 in one year in ten; the first autumn frost comes before November 9 in half of years and before October 27 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- March 291 year in 10 after April 16; 9 in 10 after March 6
- First autumn frost, half of years before
- November 91 year in 10 before October 27; 9 in 10 before November 22
NOAA puts the median frost-free season at 228 days, and the season without a hard freeze (28°F) at 254 days.
A hard freeze (28°F) comes after March 8 in half of springs and before November 19 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Balmorhea in zone 8a in ZIP code 79718, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Balmorhea's NOAA station is in zone 8a: the coldest night of a typical year reaches 14°F (19 complete years).
Frost dates for every NOAA station in Texas · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00410498; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Balmorhea?
In a normal year in Balmorhea, 118 days a year reach 90°F (21 of them 100°F or more), 65 nights fall to 32°F or colder and 29 days bring measurable precipitation.
- Days at 90°F or more
- 118a normal year
- Days at 100°F or more
- 21a normal year
- Nights at 32°F or colder
- 65a normal year
- Days that stay below freezing
- 2high of 32°F or less
- Days with 0.01 inch of precipitation
- 29a normal year
The highest temperature in this station's record (since 1923) is 112°F, on June 15, 1939; the lowest is −9°F, on February 8, 1933.
The wettest calendar year on that record is 1932, with 28.15 in; the snowiest season is 1946–47, with 22.9 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00410498; records: ACIS (NOAA Regional Climate Centers), station USC00410498. Records use complete months only; a month missing more than three days is left out.
How sunny is Balmorhea?
Over a year 86% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Balmorhea, 5.6 kWh per square metre a day. April is the sunniest month (89%) and September the cloudiest (83%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 85% | 3.7 |
| February | 85% | 4.7 |
| March | 86% | 5.8 |
| April | 89% | 7.0 |
| May | 88% | 7.4 |
| June | 88% | 7.4 |
| July | 84% | 6.9 |
| August | 85% | 6.4 |
| September | 83% | 5.5 |
| October | 87% | 4.9 |
| November | 87% | 4.0 |
| December | 85% | 3.5 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Balmorhea need?
A normal year in Balmorhea brings 2,494 heating degree days, 54% fewer than the median U.S. place (5,373), and 2,123 cooling degree days, 2.3 times the median (908). Four months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 5,704 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 600 | 0 |
| February | 427 | 3 |
| March | 281 | 19 |
| April | 110 | 77 |
| May | 24 | 258 |
| June | 0 | 459 |
| July | 0 | 487 |
| August | 0 | 460 |
| September | 14 | 264 |
| October | 103 | 87 |
| November | 349 | 9 |
| December | 586 | 1 |
| Year (annual) | 2,494 | 2,123 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00410498. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Has Balmorhea been warmer than normal lately?
Over 62 complete years from 1924 to 2020, the station's annual mean temperature rose at a fitted 1.9°F per century (+0.11°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Balmorhea's climate compare?
Balmorhea is warmer than 91 of the other 320 places with their own NOAA record in Texas, and wetter than 7. Across the 7,247 U.S. stations with normals, its annual mean of 63.9°F is warmer than 85%.
In the Köppen classification computed from these normals, Balmorhea is BSk: cold semi-arid steppe. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Balmorhea's climate
What is the coldest month in Balmorhea?
January, with a normal high of 60°F and a normal low of 31°F. The warmest is July (94°F by day, 68°F at night).
Does it snow in Balmorhea?
Rarely: NOAA's normal is 0.6 inch a year.
What is the rainiest month in Balmorhea?
September, with 2.02 in of precipitation in a normal year; the driest is March with 0.38 in.
What plant hardiness zone is Balmorhea in?
The USDA's 2023 map puts Balmorhea in zone 8a in ZIP code 79718, the nearest ZIP area. By the same method at Balmorhea's NOAA station, the coldest night of a typical year reaches 14°F (19 years, 1991-2020): zone 8a.
How late can frost come in Balmorhea?
In half of years the last 32°F night comes after March 29; in one year in ten it comes after April 16. Waiting until April 16 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Texas climateThe statewide normals and every place in the state
- Kent (8 mi SE), TX22 miles from this station, 63.3°F a year
- Mount Locke, TX25 miles from this station, 59.2°F a year
- Pecos (8 mi W), TX28 miles from this station, 65.4°F a year
- Fort Davis, TX28 miles from this station, 62.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made