Casa Grande weather in July: Casa Grande, Arizona: normal highs, lows, rain and records for July
Casa Grande in July has a normal high of 107°F and a normal low of 78°F, a daily mean of 93°F, falling from 108°F on the 1st to 106°F by the 31st. Measurable precipitation falls on 3 days in a normal July, 0.91 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 42°C and low of 26°C, 23 mm of precipitation in July.
- NOAA stationCasa Grande
- Station IDUSC00021306
- Location32.89°N 111.71°W
- Elevation1,400 ft (427 m)
- From the center3 miles
- Population68,927
- Jan 69° 39°
- Feb 73° 42°
- Mar 80° 47°
- Apr 88° 53°
- May 96° 60°
- Jun 106° 70°
- Jul 107° 78°
- Aug 105° 77°
- Sep 100° 71°
- Oct 91° 57°
- Nov 78° 45°
- Dec 68° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Casa Grande in July?
The normal high is 107°F and the normal low 78°F, for a daily mean of 92.5°F. July is 4.6°F warmer than June and 1.2°F warmer than August. July is the warmest month of the year in Casa Grande and the 3rd wettest. Across the month the normal high falls 2°F, from 108°F on July 1 to 106°F on July 31. From one year to the next July's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Julys in three average between 91°F and 94°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 13%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 108°F | 76°F | 5% | 3% |
| July 8 | 107°F | 77°F | 7% | 4% |
| July 15 | 107°F | 79°F | 9% | 5% |
| July 22 | 106°F | 79°F | 11% | 6% |
| July 31 | 106°F | 79°F | 13% | 7% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 1, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 108°F | 76°F | 5% | 3% | 14 h 20 min |
| July 2 | 108°F | 76°F | 5% | 3% | 14 h 20 min |
| July 3 | 108°F | 76°F | 6% | 3% | 14 h 20 min |
| July 4 | 108°F | 76°F | 6% | 4% | 14 h 20 min |
| July 5 | 108°F | 77°F | 6% | 4% | 14 h 20 min |
| July 6 | 108°F | 77°F | 6% | 4% | 14 h 20 min |
| July 7 | 108°F | 77°F | 7% | 4% | 14 h 10 min |
| July 8 | 107°F | 77°F | 7% | 4% | 14 h 10 min |
| July 9 | 107°F | 78°F | 7% | 4% | 14 h 10 min |
| July 10 | 107°F | 78°F | 8% | 4% | 14 h 10 min |
| July 11 | 107°F | 78°F | 8% | 5% | 14 h 10 min |
| July 12 | 107°F | 78°F | 8% | 5% | 14 h 10 min |
| July 13 | 107°F | 78°F | 8% | 5% | 14 h 10 min |
| July 14 | 107°F | 78°F | 9% | 5% | 14 h 10 min |
| July 15 | 107°F | 79°F | 9% | 5% | 14 h 10 min |
| July 16 | 107°F | 79°F | 9% | 5% | 14 h 10 min |
| July 17 | 107°F | 79°F | 9% | 5% | 14 h 10 min |
| July 18 | 107°F | 79°F | 10% | 6% | 14 h |
| July 19 | 107°F | 79°F | 10% | 6% | 14 h |
| July 20 | 107°F | 79°F | 10% | 6% | 14 h |
| July 21 | 106°F | 79°F | 11% | 6% | 14 h |
| July 22 | 106°F | 79°F | 11% | 6% | 14 h |
| July 23 | 106°F | 79°F | 11% | 6% | 14 h |
| July 24 | 106°F | 79°F | 11% | 6% | 14 h |
| July 25 | 106°F | 79°F | 12% | 7% | 14 h |
| July 26 | 106°F | 79°F | 12% | 7% | 14 h |
| July 27 | 106°F | 79°F | 12% | 7% | 13 h 50 min |
| July 28 | 106°F | 79°F | 12% | 7% | 13 h 50 min |
| July 29 | 106°F | 79°F | 13% | 7% | 13 h 50 min |
| July 30 | 106°F | 79°F | 13% | 7% | 13 h 50 min |
| July 31 | 106°F | 79°F | 13% | 7% | 13 h 50 min |
- Normal high
- 107°FJuly average
- Normal low
- 78°FJuly average
- Precipitation
- 0.91 inmonth total
- Days with precipitation
- 30.01 inch or more
- Days at 90°F or more
- 31
- Daylight
- 14 h 20 min to 13 h 50 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00021306; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Casa Grande in July?
On a given July day the chance of 0.01 inch or more is 9% on average, highest around July 31 (13%). In all, 0.91 in falls on 3 days of a normal July.
In a normal July in Casa Grande, 31 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00021306.
What are the records for July in Casa Grande?
The warmest July temperature on this station's record (since 1903) is 122°F, on July 6, 1905; the coldest is 56°F, on July 4, 1935. The wettest July brought 5.75 in (1936).
The July mean against the 1991-2020 normal of 92.5°F: 2021 90.7°F (−1.8), 2022 93.2°F (+0.7), 2023 97.6°F (+5.1), 2024 95.9°F (+3.4), 2025 93.4°F (+0.9), 2026 94.3°F (+1.8). 5 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 90.7°F | −1.8°F | 5.19 in |
| 2022 | 93.2°F | +0.7°F | 1.07 in |
| 2023 | 97.6°F | +5.1°F | 0.08 in |
| 2024 | 95.9°F | +3.4°F | 0.98 in |
| 2025 | 93.4°F | +0.9°F | 0.40 in |
| 2026 | 94.3°F | +1.8°F | 0.95 in |
Source: records: ACIS, station USC00021306; recent months: ACIS, station USC00021306. Records and recent months use complete months only.
How does July in Casa Grande compare across Arizona?
Across the 97 places PlainClimate covers in Arizona, July normal highs run from 76°F in Greer to 111°F in Bullhead City; Casa Grande's is 107°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.