Arnett weather by month
What a typical year looks like in Arnett, Oklahoma: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Gage Airport, 18 km from Arnett; records cover 1904–2026.
The year at a glance
- Precipitation a year
- 21.4 in544 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 16
- First fall freeze
- Oct 18
- Heating degree days
- 4,024
- Cooling degree days
- 1,916
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 5°−15° (heating, 99%) and 105°41° (cooling, 1%).
Month by month
Arnett in January
Highs average 51°10° and lows 22°−5°, with 0.56 in14 mm of precipitation in a typical January.
- Record high
- 86°30° (1986)
- Record low
- −20°−29° (1905)
- Heating degree days
- 882
- Cooling degree days
- 0
Arnett in February
Highs average 55°13° and lows 26°−4°, with 0.68 in17 mm of precipitation in a typical February.
- Record high
- 94°34° (2017)
- Record low
- −19°−28° (1905)
- Heating degree days
- 700
- Cooling degree days
- 1
Arnett in March
Highs average 65°18° and lows 35°2°, with 1.5 in39 mm of precipitation in a typical March.
- Record high
- 102°39° (1907)
- Record low
- −7°−22° (1948)
- Heating degree days
- 487
- Cooling degree days
- 11
Arnett in April
Highs average 73°23° and lows 44°7°, with 2 in51 mm of precipitation in a typical April.
- Record high
- 101°38° (2018)
- Record low
- 14°−10° (2009)
- Heating degree days
- 243
- Cooling degree days
- 42
Arnett in May
Highs average 82°28° and lows 55°13°, with 3.1 in77 mm of precipitation in a typical May.
- Record high
- 105°41° (1996)
- Record low
- 25°−4° (1907)
- Heating degree days
- 70
- Cooling degree days
- 164
Arnett in June
Highs average 90°32° and lows 65°18°, with 3.5 in88 mm of precipitation in a typical June.
- Record high
- 113°45° (2011)
- Record low
- 40°4° (1907)
- Heating degree days
- 3
- Cooling degree days
- 377
Arnett in July
Highs average 95°35° and lows 69°21°, with 2.1 in52 mm of precipitation in a typical July.
- Record high
- 114°46° (2022)
- Record low
- 47°8° (1990)
- Heating degree days
- 0
- Cooling degree days
- 527
Arnett in August
Highs average 94°34° and lows 67°20°, with 2.5 in64 mm of precipitation in a typical August.
- Record high
- 113°45° (1964)
- Record low
- 43°6° (1910)
- Heating degree days
- 0
- Cooling degree days
- 482
Arnett in September
Highs average 86°30° and lows 59°15°, with 1.5 in39 mm of precipitation in a typical September.
- Record high
- 108°42° (2000)
- Record low
- 29°−2° (1984)
- Heating degree days
- 29
- Cooling degree days
- 252
Arnett in OctoberThis month
Highs average 74°24° and lows 45°7°, with 2.3 in59 mm of precipitation in a typical October.
- Record high
- 102°39° (2016)
- Record low
- 10°−12° (1993)
- Heating degree days
- 217
- Cooling degree days
- 56
Arnett in November
Highs average 62°17° and lows 33°0°, with 0.78 in20 mm of precipitation in a typical November.
- Record high
- 93°34° (2023)
- Record low
- −5°−21° (1906)
- Heating degree days
- 538
- Cooling degree days
- 4
Arnett in December
Highs average 51°11° and lows 24°−5°, with 0.91 in23 mm of precipitation in a typical December.
- Record high
- 91°33° (1955)
- Record low
- −13°−25° (1983)
- Heating degree days
- 855
- Cooling degree days
- 0