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Hopatcong climate
Typical historical weather for Hopatcong, 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 Hopatcong.
Annual average
11.6°C
across all months
Warmest month
29.2°C
Jul average high
Coolest month
-4.2°C
Jan average low
Annual rainfall
1211mm
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
35.9°C
29 July 2025
Coldest day
-21.4°C
1 February 2019
Wettest day
129.6mm
26 October 2021
Windiest day
7.9m/s
25 February 2019
See the detail: Hopatcong on 26 October 2021.