Detroit weather in May

May in Detroit: nice, a little rain — one of the best months to visit.

#2 of 12 months in Detroit · #130 of 604 destinations to visit in May · comfort 88/100 (tier A)

Updated June 2026 · climate normals from ERA5 reanalysis

Detroit climate normals — May

Daytime high20°C / 68°F😎 nice
Nighttime low11°C / 51°F
Feels like (high)19°C / 66°F
Rainfall78 mm / 3.1 in🌦 some rain
Rainy days12 days
Humidity68%💧 humid
Dew point9°C / 48°F
Sunshine10.1 h/day
Daylight14.6 h
Wind21 km/h / 13 mph
Snowfall0.2 cm / 0.1 in
Air quality (US AQI)56🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

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Detroit in May — FAQ

Is May a good time to visit Detroit?
May in Detroit: nice, a little rain — one of the best months to visit. It ranks #2 of 12 months for Detroit on SeasonMap's comfort score (88/100).
What is the weather like in Detroit in May?
In May, Detroit averages a daily high of 19.8°C and a low of 10.6°C, with about 78 mm of rain over roughly 12.2 rainy days.
What is the air quality in Detroit in May?
Detroit has a mean US Air Quality Index of about 56 in May.

Other months in Detroit

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