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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
14.7°C
across all months
Warmest month
31.7°C
Jul average high
Coolest month
-2.7°C
Jan average low
Annual rainfall
1232mm
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
38.5°C
20 August 2023
Coldest day
-24.2°C
16 February 2021
Wettest day
103.9mm
29 April 2017
Windiest day
8.2m/s
19 March 2025
See the detail: Mount Vernon on 29 April 2017.