Fort Collins

What is the climate like in Fort Collins?

The best time to visit Fort Collins is typically June – October, with trip comfort peaking in September (8.6/10). Fort Collins is warmest in July, when daily highs average 89°F (32°C), and coolest in January, when lows fall to about 20°F (-7°C). The wettest month is typically May and the driest is December; the year sees roughly 19 in (473 mm) of precipitation.

• Best time to visitJune – October — comfort peaks in September (8.6/10)
• Warmest monthJuly — average high 89°F (32°C)
• Coolest monthJanuary — average low 20°F (-7°C)
• Wettest monthMay (4.2 in (107 mm))
• Driest monthDecember (0.7 in (18 mm))
• Annual precipitation19 in (473 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromFt Collins, 1 km away (1893-2026)