Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average sea temperature in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July's arrival signals a subtle increase in average high-temperatures, moving from June's agreeable 70°F (21.1°C) to a moderately hot 77.2°F (25.1°C). Des Moines endures a clear shift from daytime heat to a mean low-temperature of 52.5°F (11.4°C) during July nights.Humidity
The least humid month in Des Moines is July, with an average relative humidity of 68%.Rainfall
July is the month with the least rainfall in Des Moines. Rain falls for 6.3 days and accumulates 0.31" (8mm) of precipitation.Snowfall
April through October are months without snowfall.Ocean temperature
In Des Moines, in July, the average water temperature is 51.3°F (10.7°C).Note: Diving into 51.3°F (10.7°C) when it's under 50°F (10°C) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
The average length of the day in July in Des Moines is 15h and 30min.On the first day of July, sunrise is at 5:17 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:43 pm PDT.
Sunshine
In July, the average sunshine in Des Moines is 10.5h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 5 during July, leads to the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average July temperature in Des Moines?
What is the least humid month in Des Moines?
What is the average humidity in July in Des Moines?
What is the driest month in Des Moines?
How many days does it rain in July in Des Moines?
When it does not snow in Des Moines?
How cold is the water in July in Des Moines?
How many hours of daylight does Des Moines have in July?
When are sunrise and sunset in July in Des Moines?
How many hours of sunshine does Des Moines have in July?
What are the months with the highest UV index in Des Moines?
What is the UV index reading in July in Des Moines?
Average temperature in July
Des Moines, WA
- Average high temperature in July: 77.2°F
The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in July: 52.5°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in July
Des Moines, WA
- Average pressure in July: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in July
Des Moines, WA
- Average wind speed in July: 3.6mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.6mph).
Average humidity in July
Des Moines, WA
- Average humidity in July: 68%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (68%).
Average rainfall in July
Des Moines, WA
- Average rainfall in July: 0.31"
The wettest month (with the highest rainfall) is December (2.2").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in July
Des Moines, WA
- Average rainfall days in July: 6.3 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in July
Des Moines, WA
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in July
Des Moines, WA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in July
Des Moines, WA
- Average sea temperature in July: 51.2°F
The best month for swimming (with the highest average sea temperature) is August (53.7°F).
The coldest month (with the lowest average sea temperature) is February (45.8°F).
Average daylight in July /
Average sunshine in July
Des Moines, WA
- Average daylight in July: 15h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in July: 10h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in July
Des Moines, WA
- Average sunshine days in July: 22.6 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (13 days).
Average UV index in July
Des Moines, WA
- Average UV index in July: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in July
Des Moines, WA
- Average cloud cover in July: 28
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in July
Des Moines, WA
- Average visibility in July: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
Des Moines, Washington, USA
Weather forecast for your location
2. Allow the app to use your location