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Williamsport climate
Typical historical weather for Williamsport, 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 Williamsport.
Annual average
10.7°C
across all months
Warmest month
28.6°C
Jul average high
Coolest month
-5.5°C
Jan average low
Annual rainfall
1240mm
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
34.6°C
27 July 2020
Coldest day
-25°C
31 January 2019
Wettest day
85.1mm
1 September 2021
Windiest day
7.2m/s
25 February 2019
See the detail: Williamsport on 1 September 2021.