August weather in Apache Junction, AZ
The average temperature in Apache Junction in August is 90.1°F (76.4°F–103.8°F). Average precipitation: 1.50 inches.
August is a summer month in Apache Junction, and is warmer than the annual average of 71.9°F. Daily temperatures swing about 27.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 13h 14m. For travel, August is hot.
Avg High
103.8°F
Avg Low
76.4°F
Precipitation
1.50 in
Daylight
13h 14m
August records in Apache Junction
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 114.1°F (1996) | 70.0°F (2005) | 1.03 in (2007) |
| August 2 | 114.1°F (1993) | 70.0°F (1990) | 0.18 in (1990) |
| August 3 | 113.0°F (1994) | 68.0°F (2005) | 0.34 in (1997) |
| August 4 | 113.0°F (1995) | 72.0°F (1990) | 0.54 in (2017) |
| August 5 | 114.1°F (1995) | 71.1°F (1996) | 0.45 in (1987) |
| August 6 | 115.0°F (2025) | 70.0°F (2002) | 0.43 in (1994) |
| August 7 | 116.1°F (2025) | 66.9°F (1991) | 0.56 in (1992) |
| August 8 | 115.0°F (2025) | 64.9°F (2009) | 0.34 in (2000) |
| August 9 | 111.9°F (1995) | 64.0°F (2009) | 0.77 in (2016) |
| August 10 | 115.0°F (2003) | 69.1°F (2001) | 1.27 in (2018) |
| August 11 | 114.1°F (2003) | 69.1°F (2018) | 0.60 in (2018) |
| August 12 | 113.0°F (2012) | 68.0°F (1999) | 1.04 in (2006) |
| August 13 | 113.0°F (2020) | 68.0°F (1993) | 0.81 in (2005) |
| August 14 | 114.1°F (2020) | 66.9°F (1990) | 2.19 in (1990) |
| August 15 | 114.1°F (2020) | 66.9°F (1990) | 0.74 in (1990) |
| August 16 | 111.9°F (2020) | 66.0°F (2017) | 0.47 in (1995) |
| August 17 | 114.1°F (2020) | 66.9°F (2017) | 0.70 in (2021) |
| August 18 | 113.0°F (2020) | 68.0°F (2017) | 0.37 in (2010) |
| August 19 | 111.0°F (2020) | 69.1°F (2017) | 0.45 in (2022) |
| August 20 | 111.0°F (2019) | 69.1°F (2014) | 0.37 in (1999) |
| August 21 | 111.9°F (2019) | 68.0°F (1990) | 0.83 in (1995) |
| August 22 | 111.0°F (2011) | 66.0°F (1992) | 1.52 in (1992) |
| August 23 | 109.9°F (2011) | 64.0°F (1992) | 0.78 in (1996) |
| August 24 | 113.0°F (2020) | 64.0°F (1989) | 1.15 in (2018) |
| August 25 | 113.0°F (2020) | 64.0°F (1989) | 0.36 in (1993) |
| August 26 | 111.9°F (2011) | 66.9°F (1989) | 0.61 in (2008) |
| August 27 | 109.9°F (2020) | 64.9°F (2008) | 1.40 in (2008) |
| August 28 | 114.1°F (1998) | 66.0°F (1996) | 1.17 in (1996) |
| August 29 | 111.9°F (1998) | 68.0°F (2004) | 0.41 in (2002) |
| August 30 | 109.9°F (2011) | 64.9°F (2000) | 0.87 in (2015) |
| August 31 | 111.9°F (1995) | 64.0°F (2000) | 0.83 in (2013) |