Des Moines Weather in July
Average highs run from 74°F on July 1 to 79°F on July 31, and lows from 55°F to 58°F. Normal precipitation for the month is 0.60 in over about 5 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 77°F
- Average low
- 57°F
- Precipitation
- 0.60 in
- Record high
- 103°FJul 29, 2009
- Record low
- 43°FJul 2, 1954
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.8
- Daylight
- 15 h 53 min to 14 h 58 min
- Cloud cover
- 48%
- Humidity
- 78%
- Dew point
- 57°F
- Wind
- 3.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jul 1 | 74°F | 55°F | 94°F 2014 | 45°F 1948 | 23% | 0% |
| Jul 2 | 75°F | 55°F | 93°F 2015 | 43°F 1954 | 22% | 0% |
| Jul 3 | 75°F | 55°F | 92°F 2015 | 44°F 1954 | 22% | 0% |
| Jul 4 | 75°F | 56°F | 92°F 2015 | 43°F 1949 | 21% | 0% |
| Jul 5 | 75°F | 56°F | 91°F 1958 | 47°F 1951 | 20% | 0% |
| Jul 6 | 76°F | 56°F | 94°F 1960 | 45°F 1949 | 20% | 0% |
| Jul 7 | 76°F | 56°F | 93°F 2024 | 47°F 1955 | 19% | 0% |
| Jul 8 | 76°F | 56°F | 95°F 2010 | 47°F 1950 | 19% | 0% |
| Jul 9 | 76°F | 56°F | 98°F 2024 | 48°F 1960 | 19% | 0% |
| Jul 10 | 77°F | 56°F | 89°F 2002 | 46°F 1960 | 18% | 0% |
| Jul 11 | 77°F | 56°F | 98°F 2007 | 49°F 1960 | 18% | 0% |
| Jul 12 | 77°F | 57°F | 97°F 1961 | 47°F 1954 | 17% | 0% |
| Jul 13 | 77°F | 57°F | 93°F 1961 | 50°F 1948 | 17% | 0% |
| Jul 14 | 78°F | 57°F | 91°F 1996 | 50°F 1982 | 17% | 0% |
| Jul 15 | 78°F | 57°F | 93°F 2018 | 49°F 1982 | 16% | 0% |
| Jul 16 | 78°F | 57°F | 98°F 1979 | 50°F 1953 | 16% | 0% |
| Jul 17 | 78°F | 57°F | 96°F 1979 | 48°F 1950 | 16% | 0% |
| Jul 18 | 78°F | 57°F | 93°F 1995 | 47°F 1952 | 16% | 0% |
| Jul 19 | 78°F | 57°F | 95°F 1988 | 48°F 1962 | 15% | 0% |
| Jul 20 | 78°F | 57°F | 100°F 1994 | 50°F 1953 | 15% | 0% |
| Jul 21 | 79°F | 58°F | 97°F 2006 | 48°F 1951 | 15% | 0% |
| Jul 22 | 79°F | 58°F | 96°F 2006 | 49°F 1954 | 15% | 0% |
| Jul 23 | 79°F | 58°F | 99°F 1991 | 47°F 1955 | 15% | 0% |
| Jul 24 | 79°F | 58°F | 95°F 2004 | 43°F 1953 | 14% | 0% |
| Jul 25 | 79°F | 58°F | 94°F 1988 | 47°F 1954 | 14% | 0% |
| Jul 26 | 79°F | 58°F | 94°F 2022 | 49°F 1952 | 14% | 0% |
| Jul 27 | 79°F | 58°F | 95°F 1958 | 46°F 1956 | 14% | 0% |
| Jul 28 | 79°F | 58°F | 97°F 1958 | 47°F 1953 | 14% | 0% |
| Jul 29 | 79°F | 58°F | 103°F 2009 | 45°F 1954 | 14% | 0% |
| Jul 30 | 79°F | 58°F | 96°F 2009 | 48°F 1951 | 14% | 0% |
| Jul 31 | 79°F | 58°F | 95°F 2022 | 47°F 1954 | 14% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- July 1
- sunrise 5:17 AM, sunset 9:10 PM
- July 31
- sunrise 5:46 AM, sunset 8:44 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024233 (Seattle Tacoma Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00024233, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.