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Chambersburg climate
Typical historical weather for Chambersburg, 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 Chambersburg.
Annual average
12.5°C
across all months
Warmest month
30.4°C
Jul average high
Coolest month
-3.8°C
Jan average low
Annual rainfall
1079mm
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
38.3°C
16 July 2024
Coldest day
-21.2°C
22 January 2025
Wettest day
98.7mm
1 September 2021
Windiest day
8.7m/s
2 March 2018
See the detail: Chambersburg on 1 September 2021.