Henderson weather by month
What a typical year looks like in Henderson, Arkansas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Mountain Home 1 Nnw, 16 km from Henderson; records cover 1902–2026.
The year at a glance
- Precipitation a year
- 50.9 in1292 mm
- Snow a year
- 8 in20 cm
- Last spring freeze
- Apr 1
- First fall freeze
- Oct 28
- Heating degree days
- 3,990
- Cooling degree days
- 1,549
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 9°−13° (heating, 99%) and 99°37° (cooling, 1%).
Month by month
Henderson in January
Highs average 46°8° and lows 26°−3°, with 3.3 in84 mm of precipitation and 1.9 in4.8 cm of snow in a typical January.
- Record high
- 83°28° (1943)
- Record low
- −15°−26° (1918)
- Heating degree days
- 901
- Cooling degree days
- 0
Henderson in February
Highs average 51°10° and lows 29°−1°, with 3.3 in83 mm of precipitation and 2.6 in6.6 cm of snow in a typical February.
- Record high
- 88°31° (2024)
- Record low
- −14°−26° (1951)
- Heating degree days
- 699
- Cooling degree days
- 0
Henderson in March
Highs average 60°15° and lows 37°3°, with 5 in128 mm of precipitation and 2 in5.1 cm of snow in a typical March.
- Record high
- 96°36° (2026)
- Record low
- −2°−19° (1948)
- Heating degree days
- 516
- Cooling degree days
- 7
Henderson in April
Highs average 70°21° and lows 46°8°, with 5.6 in142 mm of precipitation in a typical April.
- Record high
- 95°35° (1940)
- Record low
- 21°−6° (1920)
- Heating degree days
- 238
- Cooling degree days
- 29
Henderson in May
Highs average 77°25° and lows 56°13°, with 5.7 in144 mm of precipitation in a typical May.
- Record high
- 101°38° (1934)
- Record low
- 29°−2° (1903)
- Heating degree days
- 74
- Cooling degree days
- 112
Henderson in June
Highs average 85°29° and lows 65°18°, with 3.9 in99 mm of precipitation in a typical June.
- Record high
- 110°43° (1936)
- Record low
- 42°6° (1917)
- Heating degree days
- 4
- Cooling degree days
- 299
Henderson in July
Highs average 89°32° and lows 69°20°, with 4.2 in105 mm of precipitation in a typical July.
- Record high
- 112°44° (1954)
- Record low
- 46°8° (1975)
- Heating degree days
- 0
- Cooling degree days
- 437
Henderson in August
Highs average 89°32° and lows 68°20°, with 3.7 in95 mm of precipitation in a typical August.
- Record high
- 114°46° (1934)
- Record low
- 47°8° (1986)
- Heating degree days
- 1
- Cooling degree days
- 413
Henderson in September
Highs average 82°28° and lows 60°15°, with 3.7 in93 mm of precipitation in a typical September.
- Record high
- 107°42° (1925)
- Record low
- 32°0° (1924)
- Heating degree days
- 28
- Cooling degree days
- 203
Henderson in OctoberThis month
Highs average 71°22° and lows 48°9°, with 4 in101 mm of precipitation and 0.1 in0.3 cm of snow in a typical October.
- Record high
- 97°36° (1938)
- Record low
- 18°−8° (1917)
- Heating degree days
- 211
- Cooling degree days
- 45
Henderson in November
Highs average 59°15° and lows 37°3°, with 4.8 in122 mm of precipitation in a typical November.
- Record high
- 87°31° (1934)
- Record low
- 9°−13° (1937)
- Heating degree days
- 509
- Cooling degree days
- 4
Henderson in December
Highs average 49°9° and lows 29°−1°, with 3.8 in96 mm of precipitation and 1.2 in3 cm of snow in a typical December.
- Record high
- 84°29° (2025)
- Record low
- −16°−27° (1917)
- Heating degree days
- 809
- Cooling degree days
- 0