About Anamosa, IA

Anamosa, in Iowa, United States, is home to roughly 5,500 people in the Central Time Zone at 42.1°N latitude.

Recent weather here gives a sense of typical conditions: in 2025, Anamosa recorded a mean annual temperature of 50°F, ranging from -13°F lows in January to 92°F highs in June, with about 34 inches of precipitation across the year.