Iowa City Weather in May

Thinking of visiting Iowa City in May? Expect high temperatures reaching 23°C (73°F) during the day, dropping to 11°C (52°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Iowa City in May

The climate data from previous years indicates about 13 days of rain, averaging 108 mm (4.3 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Iowa City in May

May in Iowa City brings high temperatures, with highs of 23°C (73°F) and nights around 11°C (52°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Should you favor a climate that's both dry and comfortably warm, September typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.