Greenville weather by month
What a typical year looks like in Greenville, Oklahoma: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Madill 11wsw Mesonet, 17 km from Greenville; records cover 2007–2026.
The year at a glance
- Precipitation a year
- 0 in0 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 31
- First fall freeze
- Nov 5
- Heating degree days
- 2,874
- Cooling degree days
- 2,214
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 105°41° (cooling, 1%).
Month by month
Greenville in January
Highs average 54°12° and lows 31°0°, with — of precipitation in a typical January.
- Record high
- 82°28° (2023)
- Record low
- 2°−17° (2017)
- Heating degree days
- 702
- Cooling degree days
- 0
Greenville in February
Highs average 58°15° and lows 36°2°, with — of precipitation in a typical February.
- Record high
- 92°33° (2024)
- Record low
- −11°−24° (2021)
- Heating degree days
- 512
- Cooling degree days
- 3
Greenville in March
Highs average 66°19° and lows 43°6°, with — of precipitation in a typical March.
- Record high
- 95°35° (2026)
- Record low
- 10°−12° (2014)
- Heating degree days
- 340
- Cooling degree days
- 18
Greenville in April
Highs average 74°23° and lows 51°11°, with — of precipitation in a typical April.
- Record high
- 92°33° (2020)
- Record low
- 24°−4° (2009)
- Heating degree days
- 143
- Cooling degree days
- 59
Greenville in May
Highs average 81°27° and lows 60°15°, with — of precipitation in a typical May.
- Record high
- 97°36° (2017)
- Record low
- 32°0° (2013)
- Heating degree days
- 33
- Cooling degree days
- 194
Greenville in June
Highs average 89°32° and lows 69°20°, with — of precipitation in a typical June.
- Record high
- 102°39° (2011)
- Record low
- 51°11° (2020)
- Heating degree days
- 0
- Cooling degree days
- 415
Greenville in July
Highs average 93°34° and lows 72°22°, with — of precipitation in a typical July.
- Record high
- 111°44° (2018)
- Record low
- 58°14° (2013)
- Heating degree days
- 0
- Cooling degree days
- 552
Greenville in August
Highs average 95°35° and lows 71°22°, with — of precipitation in a typical August.
- Record high
- 112°44° (2011)
- Record low
- 56°13° (2015)
- Heating degree days
- 0
- Cooling degree days
- 553
Greenville in September
Highs average 87°31° and lows 63°17°, with — of precipitation in a typical September.
- Record high
- 108°42° (2023)
- Record low
- 41°5° (2020)
- Heating degree days
- 8
- Cooling degree days
- 308
Greenville in OctoberThis month
Highs average 76°25° and lows 52°11°, with — of precipitation in a typical October.
- Record high
- 96°36° (2015)
- Record low
- 25°−4° (2017)
- Heating degree days
- 124
- Cooling degree days
- 99
Greenville in November
Highs average 65°18° and lows 42°5°, with — of precipitation in a typical November.
- Record high
- 91°33° (2017)
- Record low
- 15°−9° (2014)
- Heating degree days
- 371
- Cooling degree days
- 12
Greenville in December
Highs average 55°13° and lows 34°1°, with — of precipitation in a typical December.
- Record high
- 84°29° (2025)
- Record low
- 7°−14° (2022)
- Heating degree days
- 641
- Cooling degree days
- 1