Harker Heights weather by month
What a typical year looks like in Harker Heights, Texas: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at KILLEEN, 5 km from Harker Heights; records cover 1983–2026.
The year at a glance
- Precipitation a year
- 34.8 in883 mm
- Snow a year
- Rare
- Last spring freeze
- Feb 28
- First fall freeze
- Nov 13
- Heating degree days
- 2,071
- Cooling degree days
- 2,682
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 22°−6° (heating, 99%) and 103°39° (cooling, 1%).
Month by month
Harker Heights in January
Highs average 60°15° and lows 36°2°, with 2.5 in62 mm of precipitation in a typical January.
- Record high
- 88°31° (2000)
- Record low
- 10°−12° (2018)
- Heating degree days
- 536
- Cooling degree days
- 3
Harker Heights in February
Highs average 63°17° and lows 40°4°, with 2.2 in55 mm of precipitation in a typical February.
- Record high
- 94°34° (1986)
- Record low
- 2°−17° (1985)
- Heating degree days
- 387
- Cooling degree days
- 9
Harker Heights in March
Highs average 70°21° and lows 47°8°, with 3.3 in83 mm of precipitation in a typical March.
- Record high
- 96°36° (1991)
- Record low
- 17°−8° (2002)
- Heating degree days
- 236
- Cooling degree days
- 33
Harker Heights in April
Highs average 77°25° and lows 54°12°, with 2.2 in55 mm of precipitation in a typical April.
- Record high
- 98°37° (1996)
- Record low
- 29°−2° (1987)
- Heating degree days
- 80
- Cooling degree days
- 89
Harker Heights in May
Highs average 84°29° and lows 63°17°, with 4.7 in119 mm of precipitation in a typical May.
- Record high
- 100°38° (1984)
- Record low
- 37°3° (1995)
- Heating degree days
- 12
- Cooling degree days
- 272
Harker Heights in June
Highs average 92°33° and lows 70°21°, with 3.2 in82 mm of precipitation in a typical June.
- Record high
- 106°41° (2012)
- Record low
- 41°5° (1987)
- Heating degree days
- 0
- Cooling degree days
- 478
Harker Heights in July
Highs average 96°35° and lows 72°22°, with 2.7 in70 mm of precipitation in a typical July.
- Record high
- 111°44° (2018)
- Record low
- 55°13° (1995)
- Heating degree days
- 0
- Cooling degree days
- 589
Harker Heights in August
Highs average 97°36° and lows 73°23°, with 1.6 in42 mm of precipitation in a typical August.
- Record high
- 110°43° (2023)
- Record low
- 56°13° (1992)
- Heating degree days
- 0
- Cooling degree days
- 609
Harker Heights in September
Highs average 90°32° and lows 67°19°, with 3.9 in99 mm of precipitation in a typical September.
- Record high
- 112°44° (2000)
- Record low
- 41°5° (1994)
- Heating degree days
- 5
- Cooling degree days
- 400
Harker Heights in OctoberThis month
Highs average 80°27° and lows 56°14°, with 3.4 in87 mm of precipitation in a typical October.
- Record high
- 101°38° (2024)
- Record low
- 24°−4° (1993)
- Heating degree days
- 66
- Cooling degree days
- 161
Harker Heights in November
Highs average 69°21° and lows 46°8°, with 2.7 in69 mm of precipitation in a typical November.
- Record high
- 91°33° (1988)
- Record low
- 19°−7° (1993)
- Heating degree days
- 257
- Cooling degree days
- 35
Harker Heights in December
Highs average 60°16° and lows 38°3°, with 2.4 in61 mm of precipitation in a typical December.
- Record high
- 87°31° (2024)
- Record low
- −2°−19° (1989)
- Heating degree days
- 492
- Cooling degree days
- 4