Des Moines (WA) Climate by Month
The climate in Des Moines is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It is also known for its large amounts of rain/snowfall.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
In Des Moines, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 25°C in July to a chilly 7°C in the coolest month, December. Nights are cooler, with temperatures generally dropping to 2°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Des Moines experiences significant rain/snowfall throughout the year, averaging 1079 mm of precipitation annually. The climate in Des Moines shows significant variation throughout the year. Expect heavy rainfall in November, with an average of 177 mm of precipitation over 21 rainy days. In contrast, July offers drier and sunnier days, with around 14 mm of rainfall over 4 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Des Moines serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.4 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Des Moines.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Des Moines ranges from 4°C in February to 5°C in January.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Des Moines in the United States of America
During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in January and November.
July has an average maximum temperature of 25°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 7°C.
November tops the wettest month list with 177 mm of rainfall.
July is the driest month with 14 mm of precipitation.
July is the sunniest month with an average of 312 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.