Climate almanac

Carroll

Iowa, United States · 42.07°, -94.87°

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What is the climate like in Carroll?

The best time to visit Carroll is typically June – September, with trip comfort peaking in September (7.2/10). Carroll is warmest in July, when daily highs average 85°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 January; the year sees roughly 36 in (908 mm) of precipitation.

  • Best time to visitJune – September — comfort peaks in September (7.2/10)
  • Warmest monthJuly — average high 85°F (29°C)
  • Coolest monthJanuary — average low 16°F (-9°C)
  • Wettest monthMay (5.8 in (147 mm))
  • Driest monthJanuary (1.3 in (33 mm))
  • Annual precipitation36 in (908 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromCarroll, 1 km away (1893-2026)