Sundown weather by month
What a typical year looks like in Sundown, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at LEVELLAND, 15 km from Sundown; records cover 1937–2026.
The year at a glance
- Precipitation a year
- 18.3 in464 mm
- Snow a year
- 6 in16 cm
- Last spring freeze
- Apr 7
- First fall freeze
- Oct 28
- Heating degree days
- 3,598
- Cooling degree days
- 1,598
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 13°−11° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Sundown in January
Highs average 54°12° and lows 25°−4°, with 0.66 in17 mm of precipitation and 1.3 in3.3 cm of snow in a typical January.
- Record high
- 82°28° (1950)
- Record low
- −16°−27° (1963)
- Heating degree days
- 792
- Cooling degree days
- 0
Sundown in February
Highs average 59°15° and lows 28°−2°, with 0.6 in15 mm of precipitation and 1.5 in3.8 cm of snow in a typical February.
- Record high
- 88°31° (2017)
- Record low
- −8°−22° (1951)
- Heating degree days
- 606
- Cooling degree days
- 0
Sundown in March
Highs average 67°19° and lows 35°2°, with 1.1 in28 mm of precipitation and 0.5 in1.3 cm of snow in a typical March.
- Record high
- 99°37° (2026)
- Record low
- 3°−16° (1948)
- Heating degree days
- 445
- Cooling degree days
- 3
Sundown in April
Highs average 75°24° and lows 43°6°, with 1 in25 mm of precipitation in a typical April.
- Record high
- 101°38° (2012)
- Record low
- 20°−7° (1973)
- Heating degree days
- 209
- Cooling degree days
- 26
Sundown in May
Highs average 84°29° and lows 53°12°, with 2.4 in61 mm of precipitation in a typical May.
- Record high
- 111°44° (2000)
- Record low
- 26°−3° (2013)
- Heating degree days
- 56
- Cooling degree days
- 166
Sundown in June
Highs average 91°33° and lows 63°17°, with 2.7 in68 mm of precipitation in a typical June.
- Record high
- 115°46° (1994)
- Record low
- 43°6° (1947)
- Heating degree days
- 2
- Cooling degree days
- 363
Sundown in July
Highs average 92°34° and lows 66°19°, with 2.1 in52 mm of precipitation in a typical July.
- Record high
- 111°44° (1995)
- Record low
- 48°9° (1951)
- Heating degree days
- 0
- Cooling degree days
- 434
Sundown in August
Highs average 91°33° and lows 64°18°, with 2.3 in58 mm of precipitation in a typical August.
- Record high
- 106°41° (1994)
- Record low
- 49°9° (2010)
- Heating degree days
- 1
- Cooling degree days
- 382
Sundown in September
Highs average 84°29° and lows 57°14°, with 2.3 in58 mm of precipitation in a typical September.
- Record high
- 105°41° (1995)
- Record low
- 33°1° (1983)
- Heating degree days
- 28
- Cooling degree days
- 185
Sundown in OctoberThis month
Highs average 75°24° and lows 45°7°, with 1.5 in39 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 103°39° (2000)
- Record low
- 14°−10° (2019)
- Heating degree days
- 193
- Cooling degree days
- 38
Sundown in November
Highs average 63°17° and lows 34°1°, with 0.87 in22 mm of precipitation and 0.9 in2.3 cm of snow in a typical November.
- Record high
- 94°34° (1942)
- Record low
- 0°−18° (1976)
- Heating degree days
- 507
- Cooling degree days
- 1
Sundown in December
Highs average 54°12° and lows 27°−3°, with 0.78 in20 mm of precipitation and 1.9 in4.8 cm of snow in a typical December.
- Record high
- 82°28° (2025)
- Record low
- −3°−19° (1982)
- Heating degree days
- 759
- Cooling degree days
- 0