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Mount Vernon climate
Typical historical weather for Mount Vernon, 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 Mount Vernon.
Annual average
20°C
across all months
Warmest month
34.5°C
Jul average high
Coolest month
4.5°C
Jan average low
Annual rainfall
1098mm
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
40.4°C
10 August 2019
Coldest day
-8.6°C
24 December 2022
Wettest day
121.1mm
11 September 2017
Windiest day
10.4m/s
11 September 2017
See the detail: Mount Vernon on 11 September 2017.