Des Moines

Iowa Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in Iowa, the United States of America in July.

Planning a journey to Iowa, the United States of America this July and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Iowa in July

Iowa, the United States of America is a region in the United States of America. July in Iowa generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to high. July falls during the summer season.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is warm in Dyersville at 28°C (82°F) to very warm in Council Bluffs at 31°C (88°F). Nighttime temperatures generally drop to 19°C (66°F) in Council Bluffs and 16°C (61°F) in Dyersville. In Iowa, the United States of America, July typically stands out as the hottest month of the year. If you're planning a visit during this time, it would be wise to come prepared. Packing light and breathable summer cloths will ensure you stay comfortable throughout your stay.

To explore the conditions in Iowa, the United States of America in more detail, check the map below.

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in Council Bluffs with an average of 79 mm (3.1 in) to high rainfall in Dubuque with 144 mm (5.7 in).

Average sunshine

July brings good sunshine to many areas. West Des Moines sees around 335 hours of sunlight, great for visitors looking for bright days.

Explore Iowa by month

Pick a month to see the average temperature, rainfall and sunshine in Iowa — and find the best time to visit. (based on West Des Moines)

Best Places to Visit in Iowa in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Iowa.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Iowa

What is the weather like in July for some of the most popular destinations in Iowa, the United States of America?

Temperature range in Iowa (July)

Precipitation variation in Iowa (July)

West Des Moines

In July West Des Moines generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are tolerable that month.

June
July
August
Max temperature
28°C (82°F)
30°C (86°F)
29°C (84°F)
Min temperature
17°C (63°F)
19°C (66°F)
18°C (64°F)
Monthly sun hours
311 hours
335 hours
299 hours
Monthly rainfall
154 mm (6.1 in)
101 mm (4 in)
116 mm (4.6 in)
Monthly rainy days
12 days
9 days
11 days
Weather conditions

Ames

In July Ames generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

June
July
August
Max temperature
27°C (81°F)
29°C (84°F)
28°C (82°F)
Min temperature
16°C (61°F)
17°C (63°F)
16°C (61°F)
Monthly sun hours
311 hours
335 hours
299 hours
Monthly rainfall
135 mm (5.3 in)
113 mm (4.4 in)
137 mm (5.4 in)
Monthly rainy days
13 days
10 days
10 days
Weather conditions

Urbandale

In July Urbandale generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are tolerable that month.

June
July
August
Max temperature
28°C (82°F)
30°C (86°F)
29°C (84°F)
Min temperature
17°C (63°F)
19°C (66°F)
18°C (64°F)
Monthly sun hours
311 hours
335 hours
299 hours
Monthly rainfall
172 mm (6.8 in)
109 mm (4.3 in)
130 mm (5.1 in)
Monthly rainy days
12 days
9 days
11 days
Weather conditions

Ankeny

In July Ankeny generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 18°C (64°F) and high monthly rainfall. So on average the conditions are tolerable that month.

June
July
August
Max temperature
28°C (82°F)
30°C (86°F)
29°C (84°F)
Min temperature
16°C (61°F)
18°C (64°F)
17°C (63°F)
Monthly sun hours
311 hours
335 hours
299 hours
Monthly rainfall
168 mm (6.6 in)
116 mm (4.6 in)
124 mm (4.9 in)
Monthly rainy days
13 days
10 days
11 days
Weather conditions

Clive

In July Clive generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are tolerable that month.

June
July
August
Max temperature
28°C (82°F)
30°C (86°F)
29°C (84°F)
Min temperature
17°C (63°F)
19°C (66°F)
18°C (64°F)
Monthly sun hours
311 hours
335 hours
299 hours
Monthly rainfall
168 mm (6.6 in)
108 mm (4.3 in)
125 mm (4.9 in)
Monthly rainy days
12 days
10 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Iowa, in the United States of America.

In our records: the United States of America July extremes

Notable July records observed across cities in the United States of America in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in the United States of America reached 51°C (124°F) in Palm Desert on July 28, 1995.

Popular cities in July

Day & night temperatures, rainfall and average weather in Iowa in July.

City Weather Day temp Night temp Rainfall
West Des Moines 30°C (86°F) 19°C (66°F) 101 mm (4 in)
Ames 29°C (84°F) 17°C (63°F) 113 mm (4.4 in)
Urbandale 30°C (86°F) 19°C (66°F) 109 mm (4.3 in)
Ankeny 30°C (86°F) 18°C (64°F) 116 mm (4.6 in)
Clive 30°C (86°F) 19°C (66°F) 108 mm (4.3 in)
Cedar Falls 28°C (82°F) 17°C (63°F) 118 mm (4.6 in)

Iowa weather in July: frequently asked questions

What is the weather like in Iowa, the United States of America in July?

July in Iowa, the United States of America brings unpleasant weather. In West Des Moines, daytime temperatures are typically around 30°C (86°F) and nighttime lows hover near 19°C (66°F).

What is the average temperature in Iowa, the United States of America in July?

Average temperatures in Iowa, the United States of America during July range from a nighttime low near 19°C (66°F) to a daytime high around 30°C (86°F) in West Des Moines.

Does Iowa, the United States of America get a lot of rain in July?

Iowa, the United States of America sees substantial rainfall in July. West Des Moines typically averages about 101 mm (4 in), a mix of wet and dry days, but bring an umbrella.

Is July a Good Time to Visit Iowa, the United States of America?

Given the typically tolerable weather conditions in West Des Moines, July might be a good time to visit Iowa, the United States of America.

Generally speaking, September provides perfect weather in West Des Moines. On the other hand, the months of January, February, March, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Iowa.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.