Post, Texas climate: Normal weather by month, frost dates and records
Post's normal year runs from 29°F January nights to 95°F July afternoons, with 22.1 inches of precipitation and 4 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 17.0°C, January lows of −2°C, July highs of 35°C, 561 mm of precipitation a year.
- NOAA stationPost
- Station IDUSC00417206
- Location33.20°N 101.37°W
- Elevation2,611 ft (796 m)
- Population3,594
On October 23, the normal high in Post is 75°F and the normal low 47°F, and the chance of measurable rain or snow is 11%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Post.
- Jan 56° 29°
- Feb 61° 32°
- Mar 69° 39°
- Apr 77° 47°
- May 85° 57°
- Jun 93° 66°
- Jul 95° 70°
- Aug 94° 69°
- Sep 86° 61°
- Oct 78° 50°
- Nov 66° 38°
- Dec 57° 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 Post each month?
July is the warmest month, with normal highs of 95°F; January the coldest, with normal lows of 29°F. The most precipitation falls in June (3.28 in), the least in January (0.79 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 56°F | 29°F | 42.3°F | 0.79 | 0.9 | 2 | <1 | 21 | 10 h 10 min |
| February | 61°F | 32°F | 46.0°F | 0.97 | 1.5 | 3 | <1 | 14 | 11 h |
| March | 69°F | 39°F | 53.8°F | 1.00 | 0.0 | 3 | 1 | 7 | 12 h |
| April | 77°F | 47°F | 62.1°F | 1.66 | 0.0 | 3 | 4 | 1 | 13 h |
| May | 85°F | 57°F | 71.1°F | 2.72 | 0.0 | 5 | 12 | <1 | 13 h 50 min |
| June | 93°F | 66°F | 79.2°F | 3.28 | 0.0 | 6 | 21 | <1 | 14 h 20 min |
| July | 95°F | 70°F | 82.5°F | 2.36 | 0.0 | 4 | 26 | <1 | 14 h 10 min |
| August | 94°F | 69°F | 81.4°F | 2.46 | 0.0 | 5 | 25 | <1 | 13 h 30 min |
| September | 86°F | 61°F | 73.8°F | 2.83 | 0.0 | 5 | 13 | <1 | 12 h 30 min |
| October | 78°F | 50°F | 63.8°F | 1.73 | 0.0 | 4 | 4 | 1 | 11 h 20 min |
| November | 66°F | 38°F | 51.9°F | 1.31 | 0.5 | 3 | <1 | 7 | 10 h 30 min |
| December | 57°F | 31°F | 43.5°F | 0.98 | 1.2 | 2 | <1 | 18 | 10 h |
| Year (annual) | 76°F | 49°F | 62.6°F | 22.09 | 4.1 | 44 | 105 | 68 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 13°C | −2°C | 5.7°C | 20 mm | 2 cm |
| February | 16°C | 0°C | 7.8°C | 25 mm | 4 cm |
| March | 20°C | 4°C | 12.1°C | 25 mm | 0 cm |
| April | 25°C | 8°C | 16.7°C | 42 mm | 0 cm |
| May | 30°C | 14°C | 21.7°C | 69 mm | 0 cm |
| June | 34°C | 19°C | 26.2°C | 83 mm | 0 cm |
| July | 35°C | 21°C | 28.1°C | 60 mm | 0 cm |
| August | 35°C | 20°C | 27.4°C | 62 mm | 0 cm |
| September | 30°C | 16°C | 23.2°C | 72 mm | 0 cm |
| October | 25°C | 10°C | 17.7°C | 44 mm | 0 cm |
| November | 19°C | 3°C | 11.1°C | 33 mm | 1 cm |
| December | 14°C | −1°C | 6.4°C | 25 mm | 3 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00417206; 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 Post?
Normal highs sit between 65°F and 85°F in March, April, October and November. Of those, November has the fewest days with rain (3).
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 USC00417206.
When is the last frost in Post?
In Post, the last spring frost (32°F) comes after April 1 in half of years and after April 19 in one year in ten; the first autumn frost comes before November 9 in half of years and before October 25 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
- April 11 year in 10 after April 19; 9 in 10 after March 10
- First autumn frost, half of years before
- November 91 year in 10 before October 25; 9 in 10 before November 23
NOAA puts the median frost-free season at 223 days, and the season without a hard freeze (28°F) at 246 days.
A hard freeze (28°F) comes after March 17 in half of springs and before November 19 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Post in zone 8a in ZIP code 79356, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Post's NOAA station is in zone 8a: the coldest night of a typical year reaches 12°F (24 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 USC00417206; 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 Post?
In a normal year in Post, 105 days a year reach 90°F (24 of them 100°F or more), 68 nights fall to 32°F or colder and 44 days bring measurable precipitation.
- Days at 90°F or more
- 105a normal year
- Days at 100°F or more
- 24a normal year
- Nights at 32°F or colder
- 68a normal year
- Days that stay below freezing
- 5high of 32°F or less
- Days with 0.01 inch of precipitation
- 44a normal year
- Days with 1 inch of snow or more
- 1a normal year
The highest temperature in this station's record (since 1962) is 114°F, on June 26, 2011; the lowest is −1°F, on February 2, 1985.
The wettest calendar year on that record is 2004, with 42.68 in; the snowiest season is 1972–73, with 26.3 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00417206; records: ACIS (NOAA Regional Climate Centers), station USC00417206. Records use complete months only; a month missing more than three days is left out.
How sunny is Post?
Over a year 86% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Post, 5.3 kWh per square metre a day. June is the sunniest month (90%) and February the cloudiest (80%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 84% | 3.3 |
| February | 80% | 4.1 |
| March | 82% | 5.3 |
| April | 85% | 6.5 |
| May | 84% | 7.0 |
| June | 90% | 7.6 |
| July | 89% | 7.2 |
| August | 89% | 6.7 |
| September | 85% | 5.5 |
| October | 84% | 4.4 |
| November | 85% | 3.5 |
| December | 82% | 3.0 |
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 Post need?
A normal year in Post brings 2,998 heating degree days, 44% fewer than the median U.S. place (5,373), and 2,164 cooling degree days, 2.4 times the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 5,526 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 702 | 0 |
| February | 534 | 2 |
| March | 363 | 16 |
| April | 151 | 65 |
| May | 38 | 229 |
| June | 1 | 429 |
| July | 0 | 543 |
| August | 0 | 510 |
| September | 13 | 276 |
| October | 127 | 88 |
| November | 403 | 8 |
| December | 666 | 0 |
| Year (annual) | 2,998 | 2,164 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00417206. 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 Post been warmer than normal lately?
2025 averaged 65.6°F, 3.0°F above the 1991-2020 normal of 62.6°F. 5 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 63.4°F | +0.8°F | 19.39 | 19.6 |
| 2022 | 64.9°F | +2.3°F | 11.88 | 1.9 |
| 2023 | 66.1°F | +3.5°F | 28.76 | 3.3 |
| 2024 | 66.8°F | +4.2°F | 17.77 | 0.7 |
| 2025 | 65.6°F | +3.0°F | 19.14 | 1.4 |
Over 38 complete years from 1965 to 2025, the station's annual mean temperature rose at a fitted 4.2°F per century (+0.23°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00417206; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Post's climate compare?
Post is warmer than 52 of the other 320 places with their own NOAA record in Texas, and wetter than 77. Across the 7,247 U.S. stations with normals, its annual mean of 62.6°F is warmer than 82%.
In the Köppen classification computed from these normals, Post is Cfa: temperate, no dry season, hot summer. 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 Post's climate
What is the coldest month in Post?
January, with a normal high of 56°F and a normal low of 29°F. The warmest is July (95°F by day, 70°F at night).
Does it snow in Post?
Yes: 4 inches in a normal year, falling on 2 days with 0.1 inch or more, the most in February (1.5 inches).
What is the rainiest month in Post?
June, with 3.28 in of precipitation in a normal year; the driest is January with 0.79 in.
What plant hardiness zone is Post in?
The USDA's 2023 map puts Post in zone 8a in ZIP code 79356, the nearest ZIP area. By the same method at Post's NOAA station, the coldest night of a typical year reaches 12°F (24 years, 1991-2020): zone 8a.
How late can frost come in Post?
In half of years the last 32°F night comes after April 1; in one year in ten it comes after April 19. Waiting until April 19 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Texas climateThe statewide normals and every place in the state
- Lake Alan Henry, TX21 miles from this station, 63.4°F a year
- White River Reservoir, TX24 miles from this station, 62.2°F a year
- Tahoka, TX25 miles from this station, 61.8°F a year
- Gail, TX30 miles from this station, 63.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made