January in Fishers averages a daily high of 2°C with nights around -7.2°C. Expect roughly 11.2 wet days totalling 74.5mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Fishers is September–October.
Based on CARMEL 3 E, IN US (3.9km), 1995–2024. 25 years of January data.