Harrison weather by month
What a typical year looks like in Harrison, Arkansas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Harrison Boone County Airport, 4 km from Harrison; records cover 1892–2026.
The year at a glance
- Precipitation a year
- 44.5 in1130 mm
- Snow a year
- Rare
- Last spring freeze
- Apr 4
- First fall freeze
- Oct 27
- Heating degree days
- 3,884
- Cooling degree days
- 1,473
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 99°37° (cooling, 1%).
Month by month
Harrison in January
Highs average 47°8° and lows 27°−3°, with 2.7 in68 mm of precipitation in a typical January.
- Record high
- 81°27° (1943)
- Record low
- −18°−28° (1930)
- Heating degree days
- 867
- Cooling degree days
- 0
Harrison in February
Highs average 51°11° and lows 31°−1°, with 2.4 in61 mm of precipitation in a typical February.
- Record high
- 87°31° (1927)
- Record low
- −20°−29° (1905)
- Heating degree days
- 676
- Cooling degree days
- 1
Harrison in March
Highs average 60°16° and lows 38°3°, with 3.9 in99 mm of precipitation in a typical March.
- Record high
- 98°37° (1929)
- Record low
- −10°−23° (1948)
- Heating degree days
- 497
- Cooling degree days
- 8
Harrison in April
Highs average 70°21° and lows 47°8°, with 5 in126 mm of precipitation in a typical April.
- Record high
- 99°37° (1927)
- Record low
- 20°−7° (1899)
- Heating degree days
- 232
- Cooling degree days
- 31
Harrison in May
Highs average 77°25° and lows 56°13°, with 4.8 in122 mm of precipitation in a typical May.
- Record high
- 99°37° (1926)
- Record low
- 26°−3° (1903)
- Heating degree days
- 75
- Cooling degree days
- 112
Harrison in June
Highs average 85°29° and lows 64°18°, with 3.9 in98 mm of precipitation in a typical June.
- Record high
- 107°42° (2012)
- Record low
- 40°4° (1903)
- Heating degree days
- 4
- Cooling degree days
- 286
Harrison in July
Highs average 89°32° and lows 68°20°, with 3.7 in93 mm of precipitation in a typical July.
- Record high
- 112°44° (1936)
- Record low
- 41°5° (1910)
- Heating degree days
- 0
- Cooling degree days
- 418
Harrison in August
Highs average 89°32° and lows 67°19°, with 3.4 in87 mm of precipitation in a typical August.
- Record high
- 112°44° (1934)
- Record low
- 41°5° (1915)
- Heating degree days
- 1
- Cooling degree days
- 391
Harrison in September
Highs average 81°27° and lows 59°15°, with 4.1 in103 mm of precipitation in a typical September.
- Record high
- 106°41° (1913)
- Record low
- 30°−1° (1908)
- Heating degree days
- 34
- Cooling degree days
- 182
Harrison in OctoberThis month
Highs average 71°22° and lows 48°9°, with 3.8 in97 mm of precipitation in a typical October.
- Record high
- 96°36° (1909)
- Record low
- 16°−9° (1910)
- Heating degree days
- 214
- Cooling degree days
- 40
Harrison in November
Highs average 59°15° and lows 38°3°, with 4 in101 mm of precipitation in a typical November.
- Record high
- 86°30° (1927)
- Record low
- 5°−15° (1908)
- Heating degree days
- 500
- Cooling degree days
- 4
Harrison in December
Highs average 49°10° and lows 30°−1°, with 2.9 in75 mm of precipitation in a typical December.
- Record high
- 85°29° (2025)
- Record low
- −11°−24° (1989)
- Heating degree days
- 784
- Cooling degree days
- 0