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Harker Heights climate
Typical historical weather for Harker Heights, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Harker Heights.
Annual average
20.6°C
across all months
Warmest month
35.6°C
Aug average high
Coolest month
4.4°C
Jan average low
Annual rainfall
933mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
42.6°C
23 July 2018
Coldest day
-14.2°C
16 February 2021
Wettest day
231.8mm
5 July 2025
Windiest day
9.5m/s
4 March 2025
See the detail: Harker Heights on 5 July 2025.