Lamar weather by month
What a typical year looks like in Lamar, Oklahoma: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Holdenville 3ese Mesonet, 21 km from Lamar; records cover 2009–2026.
The year at a glance
- Precipitation a year
- 0 in0 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 31
- First fall freeze
- Oct 31
- Heating degree days
- 3,283
- Cooling degree days
- 1,937
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 12°−11° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Lamar in January
Highs average 51°11° and lows 30°−1°, with — of precipitation in a typical January.
- Record high
- 78°26° (2015)
- Record low
- 1°−17° (2017)
- Heating degree days
- 764
- Cooling degree days
- 0
Lamar in February
Highs average 55°13° and lows 33°0°, with — of precipitation in a typical February.
- Record high
- 86°30° (2024)
- Record low
- −12°−24° (2021)
- Heating degree days
- 598
- Cooling degree days
- 2
Lamar in March
Highs average 64°18° and lows 42°5°, with — of precipitation in a typical March.
- Record high
- 93°34° (2020)
- Record low
- 5°−15° (2014)
- Heating degree days
- 389
- Cooling degree days
- 15
Lamar in April
Highs average 72°22° and lows 50°10°, with — of precipitation in a typical April.
- Record high
- 93°34° (2020)
- Record low
- 26°−3° (2018)
- Heating degree days
- 174
- Cooling degree days
- 43
Lamar in May
Highs average 79°26° and lows 60°15°, with — of precipitation in a typical May.
- Record high
- 92°33° (2014)
- Record low
- 34°1° (2013)
- Heating degree days
- 46
- Cooling degree days
- 171
Lamar in June
Highs average 87°30° and lows 67°20°, with — of precipitation in a typical June.
- Record high
- 104°40° (2011)
- Record low
- 50°10° (2012)
- Heating degree days
- 0
- Cooling degree days
- 357
Lamar in July
Highs average 91°33° and lows 71°22°, with — of precipitation in a typical July.
- Record high
- 109°43° (2022)
- Record low
- 57°14° (2013)
- Heating degree days
- 0
- Cooling degree days
- 493
Lamar in August
Highs average 92°34° and lows 70°21°, with — of precipitation in a typical August.
- Record high
- 111°44° (2011)
- Record low
- 53°12° (2015)
- Heating degree days
- 0
- Cooling degree days
- 506
Lamar in September
Highs average 84°29° and lows 63°17°, with — of precipitation in a typical September.
- Record high
- 108°42° (2011)
- Record low
- 44°7° (2010)
- Heating degree days
- 16
- Cooling degree days
- 264
Lamar in OctoberThis month
Highs average 74°23° and lows 51°11°, with — of precipitation in a typical October.
- Record high
- 93°34° (2015)
- Record low
- 26°−3° (2019)
- Heating degree days
- 152
- Cooling degree days
- 79
Lamar in November
Highs average 62°17° and lows 40°5°, with — of precipitation in a typical November.
- Record high
- 88°31° (2023)
- Record low
- 15°−9° (2019)
- Heating degree days
- 423
- Cooling degree days
- 7
Lamar in December
Highs average 52°11° and lows 32°0°, with — of precipitation in a typical December.
- Record high
- 84°29° (2025)
- Record low
- 3°−16° (2022)
- Heating degree days
- 721
- Cooling degree days
- 0