Casa Grande Weather in July
Average highs run from 108°F on July 1 to 106°F on July 31, and lows from 76°F to 79°F. Normal precipitation for the month is 0.91 in over about 3 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
- 107°F
- Average low
- 78°F
- Precipitation
- 0.91 in
- Record high
- 122°FJul 6, 1905
- Record low
- 52°FJul 24, 1912
- Chance of a freeze
- 0%
- Days of 90°F or more
- 30.9
- Daylight
- 14 h 17 min to 13 h 46 min
- Cloud cover
- 46%
- Humidity
- 30%
- Dew point
- 53°F
- Wind
- 6.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jul 1 | 108°F | 76°F | 117°F 1907 | 57°F 2004 | 5% |
| Jul 2 | 108°F | 76°F | 118°F 1907 | 60°F 1955 | 5% |
| Jul 3 | 108°F | 76°F | 120°F 1907 | 60°F 1935 | 6% |
| Jul 4 | 108°F | 76°F | 118°F 1936 | 56°F 1935 | 6% |
| Jul 5 | 108°F | 77°F | 119°F 1905 | 60°F 1938 | 6% |
| Jul 6 | 108°F | 77°F | 122°F 1905 | 58°F 1978 | 6% |
| Jul 7 | 108°F | 77°F | 121°F 1905 | 60°F 1938 | 7% |
| Jul 8 | 107°F | 77°F | 118°F 1905 | 59°F 1926 | 7% |
| Jul 9 | 107°F | 78°F | 117°F 1958 | 61°F 1926 | 7% |
| Jul 10 | 107°F | 78°F | 117°F 1979 | 61°F 1944 | 8% |
| Jul 11 | 107°F | 78°F | 118°F 1934 | 62°F 1936 | 8% |
| Jul 12 | 107°F | 78°F | 117°F 1904 | 59°F 1944 | 8% |
| Jul 13 | 107°F | 78°F | 117°F 1907 | 59°F 1944 | 8% |
| Jul 14 | 107°F | 78°F | 117°F 1907 | 60°F 1944 | 9% |
| Jul 15 | 107°F | 79°F | 120°F 1936 | 63°F 1908 | 9% |
| Jul 16 | 107°F | 79°F | 119°F 1936 | 65°F 1942 | 9% |
| Jul 17 | 107°F | 79°F | 117°F 1936 | 61°F 1972 | 9% |
| Jul 18 | 107°F | 79°F | 115°F 2023 | 57°F 1912 | 10% |
| Jul 19 | 107°F | 79°F | 116°F 2023 | 62°F 1908 | 10% |
| Jul 20 | 107°F | 79°F | 116°F 1952 | 63°F 1912 | 10% |
| Jul 21 | 106°F | 79°F | 117°F 2006 | 63°F 1911 | 11% |
| Jul 22 | 106°F | 79°F | 115°F 1906 | 57°F 1912 | 11% |
| Jul 23 | 106°F | 79°F | 119°F 1906 | 57°F 1912 | 11% |
| Jul 24 | 106°F | 79°F | 115°F 1905 | 52°F 1912 | 11% |
| Jul 25 | 106°F | 79°F | 118°F 1907 | 53°F 1912 | 12% |
| Jul 26 | 106°F | 79°F | 118°F 1995 | 60°F 1912 | 12% |
| Jul 27 | 106°F | 79°F | 120°F 1995 | 58°F 1912 | 12% |
| Jul 28 | 106°F | 79°F | 116°F 1906 | 62°F 1912 | 12% |
| Jul 29 | 106°F | 79°F | 119°F 1906 | 62°F 1908 | 13% |
| Jul 30 | 106°F | 79°F | 118°F 1906 | 64°F 1908 | 13% |
| Jul 31 | 106°F | 79°F | 119°F 1907 | 61°F 1971 | 13% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- July 1
- sunrise 5:22 AM, sunset 7:39 PM
- July 31
- sunrise 5:40 AM, sunset 7:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00021306 (Casa Grande), public domain. Records: NOAA GHCN-Daily, station USC00021306, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.