Monticello, Minnesota, experiences a diverse climate characterized by distinct seasonal variations. Understanding these patterns is essential for residents and visitors alike.
Seasonal Temperature Variations
In Monticello, the warm season spans approximately four months, from May 19 to September 17, with average daily high temperatures exceeding 70°F. July stands out as the hottest month, boasting an average high of 81°F and a low of 62°F. Conversely, the cold season lasts about 3.3 months, from November 26 to March 4, with average daily highs below 35°F. January is typically the coldest month, featuring an average low of 4.5°F and a high of 22.1°F.
Precipitation and Humidity
Precipitation in Monticello is fairly evenly distributed throughout the year, with June being the wettest month, averaging 4.39 inches of rainfall. Humidity levels fluctuate seasonally; January records the highest relative humidity at 90%, while April experiences the lowest at 70%.
Wind Patterns
Wind speeds also vary throughout the year. April is the windiest month, with an average speed of 9.3 mph, whereas August is the calmest, averaging 6.8 mph.
Environmental Considerations
Monticello’s climate influences various environmental factors, including local agriculture, wildlife habitats, and recreational activities. Staying informed about these patterns helps the community adapt and thrive throughout the year.
By understanding Monticello’s climate, residents can better prepare for seasonal changes and appreciate the natural beauty that each season brings to our community.

