Kansas City, Missouri weather in May

Averages from 2021–2025 (155 days of record).

Average high: 75°F
Average low: 57°F
Rainy days: ~14 per month
Total precipitation: 5.8 in
Warmest recorded: 92°F
Coldest recorded: 40°F

Expect May days in Kansas City, Missouri to top out around 75°F and cool to about 57°F overnight, with roughly 14 days of measurable rain across the month. In recent years May has ranged from 40°F to 92°F.

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Current Kansas City, Missouri forecast → · Historical data by Open-Meteo (ERA5).