Climate almanac

Winterset

Iowa, United States · 41.33°, -94.01°

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What is the climate like in Winterset?

The best time to visit Winterset is typically June – September, with trip comfort peaking in September (7.1/10). Winterset is warmest in July, when daily highs average 86°F (30°C), and coolest in January, when lows fall to about 17°F (-8°C). The wettest month is typically May and the driest is February; the year sees roughly 37 in (936 mm) of precipitation.

  • Best time to visitJune – September — comfort peaks in September (7.1/10)
  • Warmest monthJuly — average high 86°F (30°C)
  • Coolest monthJanuary — average low 17°F (-8°C)
  • Wettest monthMay (5.9 in (150 mm))
  • Driest monthFebruary (1.3 in (32 mm))
  • Annual precipitation37 in (936 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromWinterset 4n, 8 km away (1893-2026)