Marietta weather by month
What a typical year looks like in Marietta, Oklahoma: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Burneyville 2se Mesonet, 14 km from Marietta; records cover 2007–2026.
The year at a glance
- Precipitation a year
- 0 in0 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 12
- First fall freeze
- Nov 1
- Heating degree days
- 2,916
- Cooling degree days
- 2,241
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 14°−10° (heating, 99%) and 106°41° (cooling, 1%).
Month by month
Marietta in January
Highs average 55°13° and lows 30°−1°, with — of precipitation in a typical January.
- Record high
- 85°29° (2023)
- Record low
- 2°−17° (2017)
- Heating degree days
- 702
- Cooling degree days
- 0
Marietta in February
Highs average 59°15° and lows 34°1°, with — of precipitation in a typical February.
- Record high
- 91°33° (2024)
- Record low
- −12°−24° (2021)
- Heating degree days
- 515
- Cooling degree days
- 4
Marietta in March
Highs average 67°20° and lows 42°6°, with — of precipitation in a typical March.
- Record high
- 96°36° (2026)
- Record low
- 10°−12° (2014)
- Heating degree days
- 338
- Cooling degree days
- 22
Marietta in April
Highs average 75°24° and lows 50°10°, with — of precipitation in a typical April.
- Record high
- 94°34° (2011)
- Record low
- 19°−7° (2009)
- Heating degree days
- 143
- Cooling degree days
- 64
Marietta in May
Highs average 83°28° and lows 60°15°, with — of precipitation in a typical May.
- Record high
- 100°38° (2017)
- Record low
- 28°−2° (2013)
- Heating degree days
- 32
- Cooling degree days
- 218
Marietta in June
Highs average 90°32° and lows 68°20°, with — of precipitation in a typical June.
- Record high
- 104°40° (2011)
- Record low
- 52°11° (2020)
- Heating degree days
- 0
- Cooling degree days
- 421
Marietta in July
Highs average 94°35° and lows 71°22°, with — of precipitation in a typical July.
- Record high
- 112°44° (2022)
- Record low
- 52°11° (2013)
- Heating degree days
- 0
- Cooling degree days
- 553
Marietta in August
Highs average 95°35° and lows 71°21°, with — of precipitation in a typical August.
- Record high
- 113°45° (2011)
- Record low
- 55°13° (2015)
- Heating degree days
- 0
- Cooling degree days
- 551
Marietta in September
Highs average 87°31° and lows 62°17°, with — of precipitation in a typical September.
- Record high
- 110°43° (2023)
- Record low
- 41°5° (2021)
- Heating degree days
- 10
- Cooling degree days
- 295
Marietta in OctoberThis month
Highs average 77°25° and lows 51°10°, with — of precipitation in a typical October.
- Record high
- 97°36° (2014)
- Record low
- 22°−6° (2017)
- Heating degree days
- 136
- Cooling degree days
- 97
Marietta in November
Highs average 66°19° and lows 40°4°, with — of precipitation in a typical November.
- Record high
- 93°34° (2017)
- Record low
- 15°−9° (2014)
- Heating degree days
- 380
- Cooling degree days
- 14
Marietta in December
Highs average 56°13° and lows 32°0°, with — of precipitation in a typical December.
- Record high
- 84°29° (2025)
- Record low
- 7°−14° (2022)
- Heating degree days
- 660
- Cooling degree days
- 2