Austwell, Texas climate: Normal weather by month, frost dates and records
Austwell's normal year runs from 45°F January nights to 93°F August afternoons, with 41.9 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 21.6°C, January lows of 7°C, August highs of 34°C, 1,064 mm of precipitation a year.
- NOAA stationAustwell
- Station IDUSC00410436
- Location28.39°N 96.84°W
- Elevation23 ft (7 m)
- Population114
On October 10, the normal high in Austwell is 85°F and the normal low 68°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Austwell.
- Jan 64° 45°
- Feb 68° 49°
- Mar 72° 55°
- Apr 78° 63°
- May 84° 70°
- Jun 90° 74°
- Jul 91° 76°
- Aug 93° 77°
- Sep 89° 73°
- Oct 83° 66°
- Nov 73° 55°
- Dec 66° 48°
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 Austwell each month?
August is the warmest month, with normal highs of 93°F; January the coldest, with normal lows of 45°F. The most precipitation falls in May (5.05 in), the least in February (1.89 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 64°F | 45°F | 54.4°F | 2.84 | – | <1 | 3 | 10 h 30 min |
| February | 68°F | 49°F | 58.3°F | 1.89 | – | <1 | <1 | 11 h 10 min |
| March | 72°F | 55°F | 63.9°F | 2.96 | – | <1 | 1 | 12 h |
| April | 78°F | 63°F | 70.5°F | 2.41 | – | 1 | <1 | 12 h 50 min |
| May | 84°F | 70°F | 76.8°F | 5.05 | – | 2 | <1 | 13 h 30 min |
| June | 90°F | 74°F | 82.0°F | 4.15 | – | 14 | <1 | 14 h |
| July | 91°F | 76°F | 83.3°F | 3.80 | – | 25 | <1 | 13 h 50 min |
| August | 93°F | 77°F | 84.6°F | 3.77 | – | 27 | <1 | 13 h 10 min |
| September | 89°F | 73°F | 80.9°F | 4.73 | – | 15 | <1 | 12 h 20 min |
| October | 83°F | 66°F | 74.1°F | 3.84 | – | 3 | <1 | 11 h 30 min |
| November | 73°F | 55°F | 64.0°F | 3.89 | – | <1 | <1 | 10 h 50 min |
| December | 66°F | 48°F | 56.9°F | 2.56 | – | <1 | 1 | 10 h 20 min |
| Year (annual) | 79°F | 62°F | 70.8°F | 41.89 | – | 86 | 5 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 18°C | 7°C | 12.4°C | 72 mm |
| February | 20°C | 9°C | 14.6°C | 48 mm |
| March | 22°C | 13°C | 17.7°C | 75 mm |
| April | 26°C | 17°C | 21.4°C | 61 mm |
| May | 29°C | 21°C | 24.9°C | 128 mm |
| June | 32°C | 24°C | 27.8°C | 105 mm |
| July | 33°C | 24°C | 28.5°C | 97 mm |
| August | 34°C | 25°C | 29.2°C | 96 mm |
| September | 32°C | 23°C | 27.2°C | 120 mm |
| October | 28°C | 19°C | 23.4°C | 98 mm |
| November | 23°C | 13°C | 17.8°C | 99 mm |
| December | 19°C | 9°C | 13.8°C | 65 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00410436; 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 Austwell?
Normal highs sit between 65°F and 85°F in February, March, April, May, October, November and December.
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 USC00410436.
When is the last frost in Austwell?
In Austwell, the last spring frost (32°F) comes after January 30 in half of years and after March 2 in one year in ten; the first autumn frost comes before December 27 in half of years and before November 27 in one year in ten. A night at 32°F or colder comes at all in 84% of years here (NOAA).
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- January 301 year in 10 after March 2; 9 in 10 after December 19
- First autumn frost, half of years before
- December 271 year in 10 before November 27; 9 in 10 before February 6
NOAA puts the median frost-free season at 333 days, and the season without a hard freeze (28°F) at 365 days.
A hard freeze (28°F) comes after January 21 in half of springs and before January 8 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Austwell in zone 9b in ZIP code 77990, the nearest ZIP area.
Frost dates for every NOAA station in Texas · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00410436; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. 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 Austwell?
In a normal year in Austwell, 86 days a year reach 90°F and 5 nights fall to 32°F or colder.
- Days at 90°F or more
- 86a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 5a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00410436.
How sunny is Austwell?
Over a year 80% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Austwell, 4.9 kWh per square metre a day. August is the sunniest month (87%) and February the cloudiest (68%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 70% | 3.0 |
| February | 68% | 3.5 |
| March | 73% | 4.6 |
| April | 76% | 5.5 |
| May | 82% | 6.2 |
| June | 86% | 6.7 |
| July | 86% | 6.5 |
| August | 87% | 6.3 |
| September | 82% | 5.2 |
| October | 84% | 4.6 |
| November | 79% | 3.5 |
| December | 71% | 2.7 |
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 Austwell need?
A normal year in Austwell brings 1,100 heating degree days, 80% fewer than the median U.S. place (5,373), and 3,238 cooling degree days, 3.6 times the median (908). One month needs 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 7,747 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 339 | 11 |
| February | 218 | 29 |
| March | 109 | 75 |
| April | 19 | 182 |
| May | 2 | 366 |
| June | 0 | 510 |
| July | 0 | 568 |
| August | 0 | 606 |
| September | 0 | 477 |
| October | 17 | 299 |
| November | 123 | 94 |
| December | 274 | 23 |
| Year (annual) | 1,100 | 3,238 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00410436. 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 Austwell been warmer than normal lately?
2024 averaged 73.6°F, 2.8°F above the 1991-2020 normal of 70.8°F. 2 of the 2 complete years since 2023 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2023 | 73.1°F | +2.3°F | 28.76 |
| 2024 | 73.6°F | +2.8°F | 36.73 |
Source: observed years: ACIS, station USC00410436. A year counts only with all twelve months complete.
How does Austwell's climate compare?
Austwell is warmer than 273 of the other 320 places with their own NOAA record in Texas, and wetter than 240. Across the 7,247 U.S. stations with normals, its annual mean of 70.8°F is warmer than 96%.
In the Köppen classification computed from these normals, Austwell 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.
Which places near Austwell share this climate record?
2 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Seadrift, TX1,056 people · 8 mi E
- Tivoli, TX533 people · 6 mi NW
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Austwell's climate
What is the coldest month in Austwell?
January, with a normal high of 64°F and a normal low of 45°F. The warmest is August (93°F by day, 77°F at night).
What is the rainiest month in Austwell?
May, with 5.05 in of precipitation in a normal year; the driest is February with 1.89 in.
What plant hardiness zone is Austwell in?
The USDA's 2023 map puts Austwell in zone 9b in ZIP code 77990, the nearest ZIP area.
How late can frost come in Austwell?
In half of years the last 32°F night comes after January 30; in one year in ten it comes after March 2. Waiting until March 2 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Texas climateThe statewide normals and every place in the state
- Port Aransas (32 mi NNE), TX6 miles from this station, 70.2°F a year
- Aransas Wildlife Refuge, TX6 miles from this station, 70.2°F a year
- Rockport, TX25 miles from this station, 73.0°F a year
- Port O'Connor, TX25 miles from this station, 71.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made