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Monticello climate
Typical historical weather for Monticello, 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 Monticello.
Annual average
19.7°C
across all months
Warmest month
33.2°C
Aug average high
Coolest month
4.2°C
Jan average low
Annual rainfall
1409mm
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
40.7°C
24 August 2023
Coldest day
-12.9°C
22 January 2025
Wettest day
176.6mm
15 September 2021
Windiest day
8.5m/s
30 August 2021
See the detail: Monticello on 15 September 2021.