Best time to visit Dubuque

Find the best time to visit Dubuque and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Dubuque by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Iowa

Radisson Hotels: up to 25% off prepaid rates

  • Save up to 25% on hotel stays when you book advance
  • Radisson Rewards members get extra 10% off hotels
  • Book hotels in Europe, Middle East, Africa, Asia & Pacific
Show discount codeShow discount code ******AID
Redeem Radisson Hotels discount code >>

View all Radisson Hotels offers

When is the best time to visit Dubuque?

The best time to visit Dubuque is June and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

Change criteria

Max Day Temperature (°C)

  • -4°C maximum daytime temperature in January in Dubuque-4
    Jan
  • -1°C maximum daytime temperature in February in Dubuque-1
    Feb
  • 6°C maximum daytime temperature in March in Dubuque6
    Mar
  • 15°C maximum daytime temperature in April in Dubuque15
    Apr
  • 21°C maximum daytime temperature in May in Dubuque21
    May
  • 26°C maximum daytime temperature in June in Dubuque26
    Jun
  • 29°C maximum daytime temperature in July in Dubuque29
    Jul
  • 27°C maximum daytime temperature in August in Dubuque27
    Aug
  • 23°C maximum daytime temperature in September in Dubuque23
    Sep
  • 16°C maximum daytime temperature in October in Dubuque16
    Oct
  • 7°C maximum daytime temperature in November in Dubuque7
    Nov
  • -1°C maximum daytime temperature in December in Dubuque-1
    Dec

Hours of Sunshine (daily)

Which is the hottest month in Dubuque?

The hottest time of year in Dubuque is normally July. Expect maximum daytime temperatures to reach 29°C with moderate heat and humidity.

Which month has the most rain in Dubuque?

In terms of rainfall, August is usually the wettest month in Dubuque with 113mm on average. There are normally 9 days in August with some rain.

When is it sunniest in Dubuque?

The sunniest time of year in Dubuque is normally August with bright sunshine on average for 70% of daylight hours; that's 10 hours of sunshine per day.

Best time to visit

The weather guide for Iowa (Dubuque) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Iowa travel features

Do you want to learn more about Iowa? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Iowa.

We don't currently have any travel features on Iowa. Discover more about holiday destinations around the world with this selection of general travel articles.

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Back to Holiday Weather Top ^