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Fort Collins in January

January in Fort Collins averages a daily high of 7.3°C with nights around -7.5°C. Expect roughly 4.2 wet days totalling 10.8mm. Demanding conditions — pack for it and plan indoor options.

Across the year, the best time to visit Fort Collins is September–October.

Based on FORT COLLINS, CO US (1km), 1995–2024. 30 years of January data.

See all twelve months for Fort Collins →