Climate almanac

Harlan

Iowa, US · 41.65°, -95.33°

+ Compare

What is the climate like in Harlan?

The best time to visit Harlan is typically June – September, with trip comfort peaking in September (7.3/10). Harlan 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 37 in of precipitation.

  • Best time to visitJune – September — comfort peaks in September (7.3/10)
  • Warmest monthJuly — average high 85°F (29°C)
  • Coolest monthJanuary — average low 16°F (-9°C)
  • Wettest monthMay (6.0 in)
  • Driest monthJanuary (1.3 in)
  • Annual precipitation37 in