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

18.6°C

across all months

Warmest month

33.4°C

Jul average high

Coolest month

2.5°C

Jan average low

Annual rainfall

1438mm

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

39.6°C

26 August 2023

Coldest day

-18.8°C

16 February 2021

Wettest day

116.2mm

9 March 2016

Windiest day

7.3m/s

19 March 2025