Anamosa, in Iowa, United States, is home to roughly 5,500 people in the Central Time Zone at 42.1°N latitude.
In 2025, Anamosa recorded an average annual temperature of 50°F. The hottest temperatures reached 92°F in June; the coolest were -13°F in January. Total precipitation for the year was 34 inches, with the wettest month being June. Snowfall for the year totaled approximately 10 inches.
View current conditions and forecast for Anamosa · More cities in Iowa