Climate almanac

Marion

Iowa, US · 42.03°, -91.60°

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What is the climate like in Marion?

The best time to visit Marion is typically June – September, with trip comfort peaking in August (6.8/10). Marion 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 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 (4.9 in)
  • Driest monthFebruary (1.7 in)
  • Annual precipitation39 in