July weather forecast and climate
Des Moines, IA

A close view of city buildings in Des Moines, Iowa, USA
A close view of city buildings in Des Moines, Iowa, USA

What is the warmest month in Des Moines?

The warmest month in Des Moines is July, with an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 66.7°F (19.3°C).

What is the temperature in July in Des Moines?

The average high-temperature, in July, in Des Moines, Iowa, is 85.6°F (29.8°C), while the average low-temperature is 66.7°F (19.3°C).

How many days does it rain in July in Des Moines?

In Des Moines, Iowa, in July, it is raining for 10.1 days, with typically 4.5" (113.5mm) of accumulated precipitation.
Average temperature in July - Des Moines, IA
  • Average high temperature in July: 29.8°C

The warmest month (with the highest average high temperature) is July (29.8°C).
The month with the lowest average high temperature is January (-0.6°C).

  • Average low temperature in July: 19.3°C

The month with the highest average low temperature is July (19.3°C).
The coldest month (with the lowest average low temperature) is January (-9.8°C).

Average humidity in July - Des Moines, IA
  • Average humidity in July: 67.7%

The month with the highest relative humidity is December (74.6%).
The month with the lowest relative humidity is May (63%).

Average rainfall in July - Des Moines, IA
  • Average rainfall in July: 113.5mm

The wettest month (with the highest rainfall) is June (125.5mm).
The driest month (with the lowest rainfall) is January (25.4mm).

Average rainfall days in July - Des Moines, IA
  • Average rainfall days in July: 10.1 days

The month with the highest number of rainy days is May (12.5 days).
The month with the lowest number of rainy days is January (7.5 days).

Average snowfall in July - Des Moines, IA
  • Average snowfall in July: 0mm

The month with the highest snowfall is December (228.6mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in July - Des Moines, IA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (6.5 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in July / Average sunshine in July - Des Moines, IA
  • Average daylight in July: 14.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in July: 10.9h

The month with most sunshine is July (Average sunshine: 10.9h).
The month with least sunshine is December (Average sunshine: 4.2h).

Average UV index in July - Des Moines, IA
  • Average UV index in July: 9

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).

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