Climate almanac

Anamosa

Iowa, United States · 42.11°, -91.29°

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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)