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 Dubuque

Q: When is the best time to visit Dubuque?

The best time to visit Dubuque is May, June, July and August based on the following average weather conditions. Daily hours of sunshine = 10 hours or more.

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Dubuque by month

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

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When is the best time to visit Dubuque?

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

Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

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Jan
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Feb
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Mar
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Apr
5
May
5
Jun
5
Jul
5
Aug
4
Sep
3
Oct
0.5
Nov
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Dec

Change criteria

Hours of Sunshine (daily)

5
Jan
7
Feb
7
Mar
8
Apr
10
May
11
Jun
10
Jul
10
Aug
8
Sep
7
Oct
5
Nov
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Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

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)