Thomas weather by month
What a typical year looks like in Thomas, Oklahoma: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Watonga 7w Mesonet, 22 km from Thomas; records cover 2007–2026.
The year at a glance
- Precipitation a year
- 32 in814 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 4
- First fall freeze
- Nov 1
- Heating degree days
- 3,776
- Cooling degree days
- 1,962
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 10°−12° (heating, 99%) and 106°41° (cooling, 1%).
Month by month
Thomas in January
Highs average 48°9° and lows 27°−3°, with 0.93 in24 mm of precipitation in a typical January.
- Record high
- 77°25° (2015)
- Record low
- −2°−19° (2024)
- Heating degree days
- 848
- Cooling degree days
- 0
Thomas in February
Highs average 52°11° and lows 31°−1°, with 1.1 in28 mm of precipitation in a typical February.
- Record high
- 89°32° (2017)
- Record low
- −9°−23° (2021)
- Heating degree days
- 664
- Cooling degree days
- 1
Thomas in March
Highs average 62°17° and lows 39°4°, with 2.3 in58 mm of precipitation in a typical March.
- Record high
- 98°37° (2026)
- Record low
- 1°−17° (2014)
- Heating degree days
- 461
- Cooling degree days
- 10
Thomas in April
Highs average 70°21° and lows 47°8°, with 3.1 in78 mm of precipitation in a typical April.
- Record high
- 95°35° (2012)
- Record low
- 20°−7° (2018)
- Heating degree days
- 228
- Cooling degree days
- 37
Thomas in May
Highs average 79°26° and lows 56°13°, with 4.2 in107 mm of precipitation in a typical May.
- Record high
- 103°39° (2026)
- Record low
- 34°1° (2013)
- Heating degree days
- 74
- Cooling degree days
- 156
Thomas in June
Highs average 89°32° and lows 67°19°, with 4.4 in112 mm of precipitation in a typical June.
- Record high
- 109°43° (2012)
- Record low
- 51°11° (2012)
- Heating degree days
- 1
- Cooling degree days
- 383
Thomas in July
Highs average 94°34° and lows 70°21°, with 3.2 in81 mm of precipitation in a typical July.
- Record high
- 110°43° (2011)
- Record low
- 55°13° (2019)
- Heating degree days
- 0
- Cooling degree days
- 532
Thomas in August
Highs average 93°34° and lows 70°21°, with 3.5 in88 mm of precipitation in a typical August.
- Record high
- 112°44° (2012)
- Record low
- 53°12° (2010)
- Heating degree days
- 0
- Cooling degree days
- 511
Thomas in September
Highs average 84°29° and lows 62°16°, with 2.9 in73 mm of precipitation in a typical September.
- Record high
- 105°41° (2026)
- Record low
- 46°8° (2020)
- Heating degree days
- 22
- Cooling degree days
- 256
Thomas in OctoberThis month
Highs average 72°22° and lows 50°10°, with 3.1 in78 mm of precipitation in a typical October.
- Record high
- 96°36° (2024)
- Record low
- 19°−7° (2019)
- Heating degree days
- 184
- Cooling degree days
- 72
Thomas in November
Highs average 59°15° and lows 38°4°, with 1.9 in49 mm of precipitation in a typical November.
- Record high
- 86°30° (2023)
- Record low
- 11°−12° (2019)
- Heating degree days
- 493
- Cooling degree days
- 4
Thomas in December
Highs average 49°9° and lows 29°−1°, with 1.5 in37 mm of precipitation in a typical December.
- Record high
- 82°28° (2025)
- Record low
- 0°−18° (2016)
- Heating degree days
- 801
- Cooling degree days
- 0