July weather forecast
Iowa, USA

July is the zenith of summer in Iowa, where temperatures, humidity, and sunshine reach their peak. Daytime temperatures frequently find themselves in the 85°F (29.4°C) to 95°F (35°C) range, with occasional surges pushing them closer to the 100°F (37.8°C) mark. As for the nights, they retain a warm quality, usually oscillating between 65°F (18.3°C) and 75°F (23.9°C).

The combination of intense heat and substantial humidity can lead to formidable thunderstorms. These storms, while potentially powerful, bring much-needed relief from the relentless summer heat. It's not uncommon for these storms to be accompanied by dramatic displays of lightning and, in some cases, gusty winds.

When contrasted with June, July generally experiences a slight uptick in temperatures. The state basks in the generous sunlight, with the sun often blazing down from clear, cloudless skies. These conditions, while ideal for sun-seekers, demand precautions like hydration and sun protection for those venturing outdoors.

Cities proximate to water bodies, such as Clinton along the Mississippi River, might enjoy a modicum of relief from the extreme heat due to the cooling effects of the water. Still, there's no escaping the fact that July stands as Iowa's hottest month. The sheer intensity of the sun, interspersed with periodic rainstorms, encapsulates the heart of the Iowan summer.

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• Des Moines - July »
  Des Moines's July weather, with an average high temperature of 83.1°F (28.4°C) and an average low temperature of 65.5°F (18.6°C), tends to be the warmest of the year. Des Moines's July weather, marked by an average high temperature of 83.1°F (28.4°C) and an average low temperature of 65.5°F (18.6°C), is the warmest in the year.
• Cedar Rapids - July »
  Cedar Rapids's July weather reaches an average high of 80.8°F (27.1°C) and an average low of 64.6°F (18.1°C), making it the warmest month. Continuing the summer trend, July is the hottest month in Cedar Rapids with temperatures rising to 80.8°F (27.1°C).
• Davenport - July »
  January and July, with an average relative humidity of 83%, are most humid months in Davenport, Iowa. Davenport registers the average highest temperatures during July, with peaks of 81.7°F (27.6°C) and lows of 64.9°F (18.3°C).
• Sioux City - July »
  July's distinctive weather pattern sets it up as Sioux City's warmest month, with high temperatures averaging at 83.8°F (28.8°C) and low temperatures at 64.9°F (18.3°C). July is when summer hits its peak in Sioux City, supported by the increase in daily sunshine and longer days.
• Iowa City - July »
  July is the month when Iowa City experiences its warmest temperatures, averaging a high of 81.5°F (27.5°C) and a low of 64.6°F (18.1°C). January and July, with an average relative humidity of 83%, are most humid months in Iowa City, Iowa.
• Waterloo - July »
  Waterloo's July weather, with an average high temperature of 80.1°F (26.7°C) and an average low temperature of 63.1°F (17.3°C), tends to be the warmest of the year. With an average of 9.9h of sunshine, July has the most sunshine of the year in Waterloo, Iowa.
• Ames - July »
  July takes the baton of summer from June and runs with it, making Ames, Iowa a warm city with plenty of sun-soaked days. On the first day of July in Ames sunrise is at 5:43 am and sunset at 8:54 pm.
• West Des Moines - July »
  July, with its high-temperature average of 82.9°F (28.3°C) and a low-temperature average of 65.3°F (18.5°C), is the warmest month in West Des Moines. July has the most sunshine of the year in West Des Moines with an average of 10.4h of sunshine.
• Council Bluffs - July »
  July proves to be the warmest month in Council Bluffs recording an average peak temperature of 84.4°F (29.1°C) and a minimum temperature of 65.8°F (18.8°C). Council Bluffs experiences its highest average temperatures in July, reaching a peak of 84.4°F (29.1°C) and a minimum of 65.8°F (18.8°C).
• Dubuque - July »
  July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Dubuque, Iowa. In Dubuque during July, the rain falls for 15 days and regularly aggregates up to 3.27" (83mm) of precipitation.
• Ankeny - July »
  The month of July sees the average highest temperatures in Ankeny, reaching 82.2°F (27.9°C) at the peak and 65.1°F (18.4°C) at the low. July impresses with its high temperatures, making it the warmest month in Ankeny, Iowa.
• Urbandale - July »
  July is the month when Urbandale's temperatures reach their peak, with averages of 82.4°F (28°C) and lows of 65.1°F (18.4°C). July is the month when Urbandale sees the highest average temperatures, with a high of 82.4°F (28°C) and a low of 65.1°F (18.4°C).