Sanderson weather by month
What a typical year looks like in Sanderson, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Dryden Terrell County Airport, 22 km from Sanderson; records cover 1999–2026.
The year at a glance
- Precipitation a year
- 9.8 in248 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 27
- First fall freeze
- Nov 26
- Heating degree days
- 1,727
- Cooling degree days
- 2,933
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 25°−4° (heating, 99%) and 105°41° (cooling, 1%).
Month by month
Sanderson in January
Highs average 62°17° and lows 37°3°, with 0.66 in17 mm of precipitation in a typical January.
- Record high
- 89°32° (2017)
- Record low
- 13°−11° (2010)
- Heating degree days
- 484
- Cooling degree days
- 1
Sanderson in February
Highs average 68°20° and lows 41°5°, with 0.59 in15 mm of precipitation in a typical February.
- Record high
- 97°36° (2026)
- Record low
- 5°−15° (2021)
- Heating degree days
- 306
- Cooling degree days
- 9
Sanderson in March
Highs average 76°24° and lows 48°9°, with 0.55 in14 mm of precipitation in a typical March.
- Record high
- 100°38° (2026)
- Record low
- 19°−7° (2002)
- Heating degree days
- 151
- Cooling degree days
- 55
Sanderson in April
Highs average 84°29° and lows 56°13°, with 0.43 in11 mm of precipitation in a typical April.
- Record high
- 104°40° (2020)
- Record low
- 32°0° (2007)
- Heating degree days
- 36
- Cooling degree days
- 174
Sanderson in May
Highs average 91°33° and lows 64°18°, with 1.3 in33 mm of precipitation in a typical May.
- Record high
- 111°44° (2000)
- Record low
- 37°3° (2013)
- Heating degree days
- 3
- Cooling degree days
- 392
Sanderson in June
Highs average 95°35° and lows 70°21°, with 1.2 in31 mm of precipitation in a typical June.
- Record high
- 113°45° (2014)
- Record low
- 58°14° (2023)
- Heating degree days
- 0
- Cooling degree days
- 530
Sanderson in July
Highs average 97°36° and lows 72°22°, with 1 in25 mm of precipitation in a typical July.
- Record high
- 110°43° (2020)
- Record low
- 64°18° (2019)
- Heating degree days
- 0
- Cooling degree days
- 603
Sanderson in August
Highs average 96°36° and lows 72°22°, with 0.95 in24 mm of precipitation in a typical August.
- Record high
- 110°43° (2011)
- Record low
- 63°17° (2004)
- Heating degree days
- 0
- Cooling degree days
- 586
Sanderson in September
Highs average 89°32° and lows 67°19°, with 1.1 in27 mm of precipitation in a typical September.
- Record high
- 107°42° (2000)
- Record low
- 49°9° (2000)
- Heating degree days
- 2
- Cooling degree days
- 389
Sanderson in OctoberThis month
Highs average 81°27° and lows 57°14°, with 1.1 in27 mm of precipitation in a typical October.
- Record high
- 103°39° (2020)
- Record low
- 26°−3° (2019)
- Heating degree days
- 46
- Cooling degree days
- 172
Sanderson in November
Highs average 71°21° and lows 45°7°, with 0.53 in13 mm of precipitation in a typical November.
- Record high
- 94°34° (2025)
- Record low
- 24°−4° (2010)
- Heating degree days
- 232
- Cooling degree days
- 20
Sanderson in December
Highs average 62°17° and lows 38°3°, with 0.42 in11 mm of precipitation in a typical December.
- Record high
- 89°32° (2021)
- Record low
- 13°−11° (2022)
- Heating degree days
- 467
- Cooling degree days
- 2