Climate almanac

Le Mars

Iowa, United States · 42.79°, -96.17°

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What is the climate like in Le Mars?

The best time to visit Le Mars is typically June – October, with trip comfort peaking in September (7.4/10). Le Mars is warmest in July, when daily highs average 85°F (30°C), and coolest in January, when lows fall to about 15°F (-10°C). The wettest month is typically May and the driest is February; the year sees roughly 33 in (848 mm) of precipitation.

  • Best time to visitJune – October — comfort peaks in September (7.4/10)
  • Warmest monthJuly — average high 85°F (30°C)
  • Coolest monthJanuary — average low 15°F (-10°C)
  • Wettest monthMay (5.1 in (131 mm))
  • Driest monthFebruary (1.1 in (28 mm))
  • Annual precipitation33 in (848 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromLe Mars, 1 km away (1896-2026)