Climate almanac
Burlington
Iowa, United States · 40.81°, -91.11°
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)