Climate almanac

Burlington

Iowa, United States · 40.81°, -91.11°

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What is the climate like in Burlington?

The best time to visit Burlington is typically May – September, with trip comfort peaking in September (7.3/10). Burlington is warmest in July, when daily highs average 87°F (30°C), and coolest in January, when lows fall to about 20°F (-7°C). The wettest month is typically May and the driest is February; the year sees roughly 39 in (985 mm) of precipitation.

  • Best time to visitMay – September — comfort peaks in September (7.3/10)
  • Warmest monthJuly — average high 87°F (30°C)
  • Coolest monthJanuary — average low 20°F (-7°C)
  • Wettest monthMay (4.8 in (122 mm))
  • Driest monthFebruary (2.0 in (51 mm))
  • Annual precipitation39 in (985 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromBurlington Muni AP, 4 km away (1897-2026)