Apache Junction weather in August: Apache Junction, Arizona: normal highs, lows, rain and records for August
Apache Junction in August has a normal high of 104°F and a normal low of 76°F, a daily mean of 90°F, falling from 104°F on the 1st to 103°F by the 31st. Measurable precipitation falls on 6 days in a normal August, 1.50 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 40°C and low of 25°C, 38 mm of precipitation in August.
- NOAA stationApache Junction (5 mi NE)
- Station IDUSC00020288
- Location33.46°N 111.48°W
- Elevation2,070 ft (631 m)
- From the center6 miles
- Population44,309
- Jan 67° 43°
- Feb 70° 44°
- Mar 77° 48°
- Apr 85° 53°
- May 93° 60°
- Jun 103° 69°
- Jul 105° 77°
- Aug 104° 76°
- Sep 99° 71°
- Oct 88° 60°
- Nov 76° 50°
- Dec 66° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Apache Junction in August?
The normal high is 104°F and the normal low 76°F, for a daily mean of 90.1°F. August is 1.0°F cooler than July and 4.9°F warmer than September. August is the 2nd warmest month of the year in Apache Junction and the 4th wettest. Across the month the normal high falls 1°F, from 104°F on August 1 to 103°F on August 31. From one year to the next August's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 88°F and 92°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 18%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 104°F | 78°F | 18% | 10% |
| August 8 | 104°F | 77°F | 18% | 11% |
| August 15 | 104°F | 77°F | 18% | 11% |
| August 22 | 104°F | 76°F | 18% | 11% |
| August 31 | 103°F | 75°F | 16% | 10% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 104°F | 78°F | 18% | 10% | 13 h 50 min |
| August 2 | 104°F | 78°F | 18% | 10% | 13 h 50 min |
| August 3 | 104°F | 77°F | 18% | 10% | 13 h 50 min |
| August 4 | 104°F | 77°F | 18% | 11% | 13 h 40 min |
| August 5 | 104°F | 77°F | 18% | 11% | 13 h 40 min |
| August 6 | 104°F | 77°F | 18% | 11% | 13 h 40 min |
| August 7 | 104°F | 77°F | 18% | 11% | 13 h 40 min |
| August 8 | 104°F | 77°F | 18% | 11% | 13 h 40 min |
| August 9 | 104°F | 77°F | 18% | 11% | 13 h 40 min |
| August 10 | 104°F | 77°F | 18% | 11% | 13 h 30 min |
| August 11 | 104°F | 77°F | 18% | 11% | 13 h 30 min |
| August 12 | 104°F | 77°F | 18% | 11% | 13 h 30 min |
| August 13 | 104°F | 77°F | 18% | 11% | 13 h 30 min |
| August 14 | 104°F | 77°F | 18% | 11% | 13 h 30 min |
| August 15 | 104°F | 77°F | 18% | 11% | 13 h 30 min |
| August 16 | 104°F | 76°F | 18% | 11% | 13 h 20 min |
| August 17 | 104°F | 76°F | 18% | 11% | 13 h 20 min |
| August 18 | 104°F | 76°F | 18% | 11% | 13 h 20 min |
| August 19 | 104°F | 76°F | 18% | 11% | 13 h 20 min |
| August 20 | 104°F | 76°F | 18% | 11% | 13 h 20 min |
| August 21 | 104°F | 76°F | 18% | 11% | 13 h 20 min |
| August 22 | 104°F | 76°F | 18% | 11% | 13 h 10 min |
| August 23 | 104°F | 76°F | 18% | 11% | 13 h 10 min |
| August 24 | 104°F | 76°F | 18% | 11% | 13 h 10 min |
| August 25 | 103°F | 76°F | 17% | 11% | 13 h 10 min |
| August 26 | 103°F | 76°F | 17% | 11% | 13 h 10 min |
| August 27 | 103°F | 76°F | 17% | 11% | 13 h |
| August 28 | 103°F | 75°F | 17% | 11% | 13 h |
| August 29 | 103°F | 75°F | 17% | 11% | 13 h |
| August 30 | 103°F | 75°F | 16% | 10% | 13 h |
| August 31 | 103°F | 75°F | 16% | 10% | 13 h |
- Normal high
- 104°FAugust average
- Normal low
- 76°FAugust average
- Precipitation
- 1.50 inmonth total
- Days with precipitation
- 60.01 inch or more
- Days at 90°F or more
- 31
- Daylight
- 13 h 50 min to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 91%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00020288; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Apache Junction in August?
On a given August day the chance of 0.01 inch or more is 18% on average, highest around August 7 (18%). In all, 1.50 in falls on 6 days of a normal August.
In a normal August in Apache Junction, 31 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00020288.
What are the records for August in Apache Junction?
The warmest August temperature on this station's record (since 1987) is 116°F, on August 7, 2025; the coldest is 64°F, on August 25, 1989. The wettest August brought 4.40 in (1992).
The August mean against the 1991-2020 normal of 90.1°F: 2021 88.6°F (−1.5), 2022 88.3°F (−1.8), 2023 92.8°F (+2.7), 2024 92.7°F (+2.6). 2 of 4 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 88.6°F | −1.5°F | 2.09 in |
| 2022 | 88.3°F | −1.8°F | 2.15 in |
| 2023 | 92.8°F | +2.7°F | 1.50 in |
| 2024 | 92.7°F | +2.6°F | 0.75 in |
Source: records: ACIS, station USC00020288; recent months: ACIS, station USC00020288. Records and recent months use complete months only.
How does August in Apache Junction compare across Arizona?
Across the 97 places PlainClimate covers in Arizona, August normal highs run from 73°F in Greer to 109°F in Bullhead City; Apache Junction's is 104°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Apache Junction in July105°F by day, 77°F at night
- Apache Junction in September99°F by day, 71°F at night
- Apache Junction through the yearEvery month, frost dates, records and recent years
- Arizona in AugustThe statewide normal and the warmest and coolest places
- Bullhead City: Arizona's warmest Augustnormal high 109°F