Blackwell weather by month
What a typical year looks like in Blackwell, Oklahoma: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Ponca City Municipal Airport, 19 km from Blackwell; records cover 1948–2026.
The year at a glance
- Precipitation a year
- 33.6 in853 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 6
- First fall freeze
- Oct 27
- Heating degree days
- 3,957
- Cooling degree days
- 1,939
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 9°−13° (heating, 99%) and 104°40° (cooling, 1%).
Month by month
Blackwell in January
Highs average 47°8° and lows 25°−4°, with 1 in26 mm of precipitation in a typical January.
- Record high
- 80°27° (2015)
- Record low
- −12°−24° (1984)
- Heating degree days
- 902
- Cooling degree days
- 0
Blackwell in February
Highs average 52°11° and lows 28°−2°, with 1.1 in28 mm of precipitation in a typical February.
- Record high
- 92°33° (1996)
- Record low
- −25°−32° (2011)
- Heating degree days
- 698
- Cooling degree days
- 1
Blackwell in March
Highs average 62°17° and lows 37°3°, with 2.2 in55 mm of precipitation in a typical March.
- Record high
- 97°36° (2026)
- Record low
- −2°−19° (1960)
- Heating degree days
- 490
- Cooling degree days
- 9
Blackwell in April
Highs average 71°21° and lows 46°8°, with 3.8 in96 mm of precipitation in a typical April.
- Record high
- 101°38° (1972)
- Record low
- 19°−7° (1957)
- Heating degree days
- 234
- Cooling degree days
- 39
Blackwell in May
Highs average 79°26° and lows 57°14°, with 5.1 in130 mm of precipitation in a typical May.
- Record high
- 100°38° (1985)
- Record low
- 30°−1° (1967)
- Heating degree days
- 62
- Cooling degree days
- 158
Blackwell in June
Highs average 88°31° and lows 67°19°, with 4.7 in119 mm of precipitation in a typical June.
- Record high
- 110°43° (1953)
- Record low
- 44°7° (1969)
- Heating degree days
- 2
- Cooling degree days
- 381
Blackwell in July
Highs average 93°34° and lows 71°22°, with 3.7 in94 mm of precipitation in a typical July.
- Record high
- 116°47° (1996)
- Record low
- 50°10° (1972)
- Heating degree days
- 0
- Cooling degree days
- 538
Blackwell in August
Highs average 92°33° and lows 70°21°, with 3.3 in83 mm of precipitation in a typical August.
- Record high
- 112°44° (2011)
- Record low
- 49°9° (1988)
- Heating degree days
- 0
- Cooling degree days
- 493
Blackwell in September
Highs average 84°29° and lows 61°16°, with 2.7 in70 mm of precipitation in a typical September.
- Record high
- 110°43° (2000)
- Record low
- 28°−2° (1984)
- Heating degree days
- 25
- Cooling degree days
- 256
Blackwell in OctoberThis month
Highs average 73°23° and lows 48°9°, with 3.1 in78 mm of precipitation in a typical October.
- Record high
- 96°36° (1951)
- Record low
- 15°−9° (1993)
- Heating degree days
- 200
- Cooling degree days
- 59
Blackwell in November
Highs average 60°15° and lows 36°2°, with 1.7 in42 mm of precipitation in a typical November.
- Record high
- 90°32° (2012)
- Record low
- 8°−13° (1976)
- Heating degree days
- 512
- Cooling degree days
- 5
Blackwell in December
Highs average 49°9° and lows 27°−3°, with 1.3 in32 mm of precipitation in a typical December.
- Record high
- 83°28° (2021)
- Record low
- −10°−23° (1989)
- Heating degree days
- 832
- Cooling degree days
- 0