Monticello

What is the climate like in Monticello?

The best time to visit Monticello is typically September – November, with trip comfort peaking in September (7.7/10). Monticello is warmest in July, when daily highs average 92°F (33°C), and coolest in January, when lows fall to about 37°F (3°C). The wettest month is typically April and the driest is September; the year sees roughly 57 in (1438 mm) of precipitation.

• Best time to visitSeptember – November — comfort peaks in September (7.7/10)
• Warmest monthJuly — average high 92°F (33°C)
• Coolest monthJanuary — average low 37°F (3°C)
• Wettest monthApril (7.0 in (179 mm))
• Driest monthSeptember (2.3 in (59 mm))
• Annual precipitation57 in (1438 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromMonticello Muni AP, 3 km away (1876-2026)