Henderson weather by month
What a typical year looks like in Henderson, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Longview 11 SE, 25 km from Henderson; records cover 1975–2026.
The year at a glance
- Precipitation a year
- 50.3 in1277 mm
- Snow a year
- 0.4 in1 cm
- Last spring freeze
- Mar 6
- First fall freeze
- Nov 16
- Heating degree days
- 2,254
- Cooling degree days
- 2,393
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 24°−4° (heating, 99%) and 102°39° (cooling, 1%).
Month by month
Henderson in January
Highs average 57°14° and lows 36°2°, with 4.3 in110 mm of precipitation and 0.2 in0.5 cm of snow in a typical January.
- Record high
- 84°29° (1978)
- Record low
- 4°−16° (1982)
- Heating degree days
- 576
- Cooling degree days
- 3
Henderson in February
Highs average 61°16° and lows 40°4°, with 4.2 in107 mm of precipitation and 0.2 in0.5 cm of snow in a typical February.
- Record high
- 90°32° (1986)
- Record low
- −2°−19° (2021)
- Heating degree days
- 421
- Cooling degree days
- 7
Henderson in March
Highs average 69°20° and lows 47°8°, with 4.7 in120 mm of precipitation in a typical March.
- Record high
- 88°31° (1995)
- Record low
- 17°−8° (1980)
- Heating degree days
- 257
- Cooling degree days
- 26
Henderson in April
Highs average 76°24° and lows 54°12°, with 4.6 in117 mm of precipitation in a typical April.
- Record high
- 93°34° (1990)
- Record low
- 30°−1° (1987)
- Heating degree days
- 92
- Cooling degree days
- 82
Henderson in May
Highs average 83°28° and lows 62°17°, with 4.4 in110 mm of precipitation in a typical May.
- Record high
- 98°37° (1998)
- Record low
- 39°4° (2013)
- Heating degree days
- 13
- Cooling degree days
- 244
Henderson in June
Highs average 89°32° and lows 69°21°, with 4.9 in125 mm of precipitation in a typical June.
- Record high
- 104°40° (2013)
- Record low
- 54°12° (1997)
- Heating degree days
- 0
- Cooling degree days
- 429
Henderson in July
Highs average 93°34° and lows 72°22°, with 2.9 in74 mm of precipitation in a typical July.
- Record high
- 106°41° (1978)
- Record low
- 56°13° (1997)
- Heating degree days
- 0
- Cooling degree days
- 542
Henderson in August
Highs average 94°34° and lows 72°22°, with 3.1 in79 mm of precipitation in a typical August.
- Record high
- 109°43° (1998)
- Record low
- 52°11° (1997)
- Heating degree days
- 0
- Cooling degree days
- 546
Henderson in September
Highs average 88°31° and lows 66°19°, with 3.5 in89 mm of precipitation in a typical September.
- Record high
- 111°44° (2000)
- Record low
- 41°5° (1983)
- Heating degree days
- 4
- Cooling degree days
- 358
Henderson in OctoberThis month
Highs average 78°26° and lows 55°13°, with 4.5 in113 mm of precipitation in a typical October.
- Record high
- 96°36° (1989)
- Record low
- 27°−3° (1993)
- Heating degree days
- 81
- Cooling degree days
- 126
Henderson in November
Highs average 67°19° and lows 45°7°, with 4.2 in106 mm of precipitation in a typical November.
- Record high
- 86°30° (1989)
- Record low
- 18°−8° (1976)
- Heating degree days
- 293
- Cooling degree days
- 24
Henderson in December
Highs average 59°15° and lows 38°3°, with 5 in126 mm of precipitation in a typical December.
- Record high
- 83°28° (2005)
- Record low
- 2°−17° (1989)
- Heating degree days
- 517
- Cooling degree days
- 6