Union City weather by month
What a typical year looks like in Union City, Oklahoma: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Minco 2ssw Mesonet, 15 km from Union City; records cover 2007–2026.
The year at a glance
- Precipitation a year
- 0 in0 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 2
- First fall freeze
- Nov 5
- Heating degree days
- 3,596
- Cooling degree days
- 1,909
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 11°−12° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Union City in January
Highs average 50°10° and lows 28°−2°, with — of precipitation in a typical January.
- Record high
- 78°26° (2017)
- Record low
- −4°−20° (2017)
- Heating degree days
- 821
- Cooling degree days
- 0
Union City in February
Highs average 54°12° and lows 31°−1°, with — of precipitation in a typical February.
- Record high
- 89°32° (2017)
- Record low
- −11°−24° (2021)
- Heating degree days
- 636
- Cooling degree days
- 1
Union City in March
Highs average 62°17° and lows 40°4°, with — of precipitation in a typical March.
- Record high
- 96°36° (2026)
- Record low
- 3°−16° (2014)
- Heating degree days
- 447
- Cooling degree days
- 9
Union City in April
Highs average 71°22° and lows 48°9°, with — of precipitation in a typical April.
- Record high
- 93°34° (2022)
- Record low
- 22°−6° (2018)
- Heating degree days
- 205
- Cooling degree days
- 35
Union City in May
Highs average 79°26° and lows 58°15°, with — of precipitation in a typical May.
- Record high
- 95°35° (2008)
- Record low
- 34°1° (2013)
- Heating degree days
- 51
- Cooling degree days
- 159
Union City in June
Highs average 87°31° and lows 67°19°, with — of precipitation in a typical June.
- Record high
- 104°40° (2011)
- Record low
- 52°11° (2009)
- Heating degree days
- 0
- Cooling degree days
- 357
Union City in July
Highs average 93°34° and lows 70°21°, with — of precipitation in a typical July.
- Record high
- 109°43° (2011)
- Record low
- 55°13° (2013)
- Heating degree days
- 0
- Cooling degree days
- 519
Union City in August
Highs average 93°34° and lows 70°21°, with — of precipitation in a typical August.
- Record high
- 112°44° (2026)
- Record low
- 55°13° (2015)
- Heating degree days
- 0
- Cooling degree days
- 502
Union City in September
Highs average 84°29° and lows 62°17°, with — of precipitation in a typical September.
- Record high
- 105°41° (2026)
- Record low
- 43°6° (2020)
- Heating degree days
- 17
- Cooling degree days
- 256
Union City in OctoberThis month
Highs average 73°23° and lows 51°10°, with — of precipitation in a typical October.
- Record high
- 94°34° (2021)
- Record low
- 22°−6° (2019)
- Heating degree days
- 171
- Cooling degree days
- 67
Union City in November
Highs average 60°16° and lows 38°4°, with — of precipitation in a typical November.
- Record high
- 86°30° (2023)
- Record low
- 12°−11° (2019)
- Heating degree days
- 473
- Cooling degree days
- 4
Union City in December
Highs average 50°10° and lows 30°−1°, with — of precipitation in a typical December.
- Record high
- 85°29° (2025)
- Record low
- 3°−16° (2016)
- Heating degree days
- 775
- Cooling degree days
- 0