Climate almanac

Red Oak

Iowa, United States · 41.01°, -95.23°

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What is the climate like in Red Oak?

The best time to visit Red Oak is typically May – September, with trip comfort peaking in September (7.3/10). Red Oak is warmest in June, when daily highs average 87°F (30°C), and coolest in January, when lows fall to about 18°F (-8°C). The wettest month is typically May and the driest is February; the year sees roughly 37 in (930 mm) of precipitation.

  • Best time to visitMay – September — comfort peaks in September (7.3/10)
  • Warmest monthJune — average high 87°F (30°C)
  • Coolest monthJanuary — average low 18°F (-8°C)
  • Wettest monthMay (5.5 in (140 mm))
  • Driest monthFebruary (1.1 in (29 mm))
  • Annual precipitation37 in (930 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromRed Oak, 2 km away (1897-2026)