The temperatures in Dubuque in May are usually low and can range between 11°C and 20°C.
You can expect rain for roughly half of the month of May in Dubuque. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Dubuque in May 2025.
If you’re planning to visit Dubuque in the near future, we highly recommend that you review the 14 day weather forecast for Dubuque before you arrive.
Temperatures
20° / 11°
Rainy Days
10
Snowy Days
0
Dry Days
21
Rainfall
206
mm
Sun Hours
8.8
Hrs
