Wann weather by month
What a typical year looks like in Wann, Oklahoma: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at BARTLESVILLE MUNICIPAL AP, 25 km from Wann; records cover 1920–2026.
The year at a glance
- Precipitation a year
- 40.3 in1022 mm
- Snow a year
- 8 in21 cm
- Last spring freeze
- Apr 5
- First fall freeze
- Oct 25
- Heating degree days
- 4,134
- Cooling degree days
- 1,688
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 8°−13° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Wann in January
Highs average 47°8° and lows 22°−5°, with 1.5 in39 mm of precipitation and 1.9 in4.8 cm of snow in a typical January.
- Record high
- 80°27° (2015)
- Record low
- −25°−32° (1930)
- Heating degree days
- 939
- Cooling degree days
- 0
Wann in February
Highs average 52°11° and lows 26°−3°, with 1.9 in48 mm of precipitation and 1.6 in4.1 cm of snow in a typical February.
- Record high
- 91°33° (1962)
- Record low
- −28°−33° (2011)
- Heating degree days
- 717
- Cooling degree days
- 1
Wann in March
Highs average 62°17° and lows 35°2°, with 3 in76 mm of precipitation and 1.5 in3.8 cm of snow in a typical March.
- Record high
- 96°36° (2026)
- Record low
- −8°−22° (1948)
- Heating degree days
- 512
- Cooling degree days
- 7
Wann in April
Highs average 71°22° and lows 45°7°, with 4.3 in109 mm of precipitation in a typical April.
- Record high
- 104°40° (1972)
- Record low
- 9°−13° (1957)
- Heating degree days
- 240
- Cooling degree days
- 32
Wann in May
Highs average 79°26° and lows 55°13°, with 5.7 in144 mm of precipitation in a typical May.
- Record high
- 100°38° (1934)
- Record low
- 30°−1° (1954)
- Heating degree days
- 68
- Cooling degree days
- 132
Wann in June
Highs average 88°31° and lows 65°18°, with 5.3 in134 mm of precipitation in a typical June.
- Record high
- 110°43° (1936)
- Record low
- 41°5° (1956)
- Heating degree days
- 2
- Cooling degree days
- 334
Wann in July
Highs average 93°34° and lows 69°20°, with 3.7 in93 mm of precipitation in a typical July.
- Record high
- 115°46° (1954)
- Record low
- 7°−14° (1944)
- Heating degree days
- 0
- Cooling degree days
- 484
Wann in August
Highs average 92°33° and lows 66°19°, with 3.4 in86 mm of precipitation in a typical August.
- Record high
- 113°45° (1936)
- Record low
- 46°8° (1949)
- Heating degree days
- 0
- Cooling degree days
- 443
Wann in September
Highs average 84°29° and lows 58°14°, with 3.4 in87 mm of precipitation in a typical September.
- Record high
- 110°43° (2012)
- Record low
- 29°−2° (1995)
- Heating degree days
- 32
- Cooling degree days
- 211
Wann in OctoberThis month
Highs average 73°23° and lows 45°7°, with 3.6 in92 mm of precipitation in a typical October.
- Record high
- 99°37° (1939)
- Record low
- 16°−9° (1925)
- Heating degree days
- 227
- Cooling degree days
- 41
Wann in November
Highs average 60°16° and lows 34°1°, with 2.4 in60 mm of precipitation and 0.2 in0.5 cm of snow in a typical November.
- Record high
- 90°32° (1945)
- Record low
- 3°−16° (1976)
- Heating degree days
- 537
- Cooling degree days
- 3
Wann in December
Highs average 49°10° and lows 25°−4°, with 2.1 in54 mm of precipitation and 3 in8 cm of snow in a typical December.
- Record high
- 84°29° (2025)
- Record low
- −13°−25° (1989)
- Heating degree days
- 860
- Cooling degree days
- 0