Mild
Average highs are around 21°C, so days are mild rather than hot.
May verdict
Dubuque, Iowa, United States in May
Weather score55Mixed
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 9.8h per day, so bright days are a strong part of the month. Rainfall averages 98mm, so some wet days are possible.
May weather
Monthly averages
Temp
21°C
Rain
98mm
Sun
9.8h
Weather score
55
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 98mm, so some wet days are possible.
Bright
Sunshine averages 9.8h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Dubuque, Iowa, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May21°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
May98mm average rain
May is wetter than Dubuque's yearly average, so flexible plans matter more.
Driest monthsJanuary to February and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May9.8 hours average sun
May is one of Dubuque's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
May55 weather score
May sits close to Dubuque's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
