Monticello is a city of approximately 5,200 people in Louisiana, United States. Located in the Central Time Zone at 30.5°N latitude.
In 2025, Monticello recorded an average annual temperature of 70°F. The hottest temperatures reached 98°F in July; the coolest were 8°F in January. Total precipitation for the year was 47 inches, with the wettest month being May. Snowfall for the year totaled approximately 1 inches.
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