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Hackettstown climate
Typical historical weather for Hackettstown, 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 Hackettstown.
Annual average
12.3°C
across all months
Warmest month
30°C
Jul average high
Coolest month
-3.4°C
Jan average low
Annual rainfall
1244mm
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
36.7°C
24 June 2025
Coldest day
-18.3°C
31 January 2019
Wettest day
107.4mm
26 October 2021
Windiest day
8m/s
25 February 2019
See the detail: Hackettstown on 26 October 2021.