Climate almanac
Anamosa
Iowa, United States · 42.11°, -91.29°
What is the climate like in Anamosa?
The best time to visit Anamosa is typically June – September, with trip comfort peaking in August (6.8/10). Anamosa is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 16°F (-9°C). The wettest month is typically May and the driest is February; the year sees roughly 39 in (990 mm) of precipitation.
- Best time to visitJune – September — comfort peaks in August (6.8/10)
- Warmest monthJuly — average high 84°F (29°C)
- Coolest monthJanuary — average low 16°F (-9°C)
- Wettest monthMay (4.8 in (122 mm))
- Driest monthFebruary (1.8 in (45 mm))
- Annual precipitation39 in (990 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromAnamosa 3 Ssw, 4 km away (2011-2026)