O'Donnell weather by month
What a typical year looks like in O'Donnell, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Tahoka, 23 km from O'Donnell; records cover 1913–2026.
The year at a glance
- Precipitation a year
- 20.7 in525 mm
- Snow a year
- 5 in12 cm
- Last spring freeze
- Mar 30
- First fall freeze
- Nov 7
- Heating degree days
- 3,097
- Cooling degree days
- 1,952
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 15°−9° (heating, 99%) and 102°39° (cooling, 1%).
Month by month
O'Donnell in January
Highs average 56°13° and lows 28°−2°, with 0.76 in19 mm of precipitation and 1 in2.5 cm of snow in a typical January.
- Record high
- 86°30° (1969)
- Record low
- −5°−21° (1962)
- Heating degree days
- 713
- Cooling degree days
- 0
O'Donnell in February
Highs average 60°16° and lows 31°0°, with 0.74 in19 mm of precipitation and 1.4 in3.6 cm of snow in a typical February.
- Record high
- 91°33° (2017)
- Record low
- −15°−26° (1933)
- Heating degree days
- 541
- Cooling degree days
- 1
O'Donnell in March
Highs average 68°20° and lows 38°3°, with 1.1 in27 mm of precipitation and 0.1 in0.3 cm of snow in a typical March.
- Record high
- 99°37° (2026)
- Record low
- 3°−16° (1917)
- Heating degree days
- 375
- Cooling degree days
- 10
O'Donnell in April
Highs average 77°25° and lows 46°8°, with 1.3 in34 mm of precipitation and 0.1 in0.3 cm of snow in a typical April.
- Record high
- 102°39° (2012)
- Record low
- 20°−7° (1973)
- Heating degree days
- 165
- Cooling degree days
- 53
O'Donnell in May
Highs average 84°29° and lows 57°14°, with 2.9 in74 mm of precipitation in a typical May.
- Record high
- 108°42° (2000)
- Record low
- 30°−1° (1917)
- Heating degree days
- 42
- Cooling degree days
- 207
O'Donnell in June
Highs average 92°33° and lows 66°19°, with 2.8 in72 mm of precipitation in a typical June.
- Record high
- 111°44° (1994)
- Record low
- 42°6° (1917)
- Heating degree days
- 1
- Cooling degree days
- 408
O'Donnell in July
Highs average 93°34° and lows 69°20°, with 2.3 in58 mm of precipitation in a typical July.
- Record high
- 109°43° (1933)
- Record low
- 48°9° (1915)
- Heating degree days
- 0
- Cooling degree days
- 498
O'Donnell in August
Highs average 92°33° and lows 68°20°, with 2.2 in57 mm of precipitation in a typical August.
- Record high
- 109°43° (1917)
- Record low
- 45°7° (1915)
- Heating degree days
- 0
- Cooling degree days
- 458
O'Donnell in September
Highs average 85°29° and lows 60°16°, with 2.9 in74 mm of precipitation in a typical September.
- Record high
- 105°41° (2026)
- Record low
- 33°1° (1983)
- Heating degree days
- 19
- Cooling degree days
- 246
O'Donnell in OctoberThis month
Highs average 76°25° and lows 49°9°, with 1.7 in42 mm of precipitation in a typical October.
- Record high
- 101°38° (1977)
- Record low
- 18°−8° (2019)
- Heating degree days
- 142
- Cooling degree days
- 67
O'Donnell in November
Highs average 65°18° and lows 37°3°, with 1.1 in28 mm of precipitation and 0.7 in1.8 cm of snow in a typical November.
- Record high
- 91°33° (2006)
- Record low
- 4°−16° (1976)
- Heating degree days
- 423
- Cooling degree days
- 4
O'Donnell in December
Highs average 57°14° and lows 30°−1°, with 0.78 in20 mm of precipitation and 1.3 in3.3 cm of snow in a typical December.
- Record high
- 83°28° (1937)
- Record low
- −3°−19° (1989)
- Heating degree days
- 676
- Cooling degree days
- 0