August weather in Tempe, AZ
The average temperature in Tempe in August is 89.9°F (75.1°F–104.8°F). Average precipitation: 1.30 inches.
August is a summer month in Tempe, and is warmer than the annual average of 71.8°F. Daily temperatures swing about 29.7°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 14m. For travel, August is hot.
Avg High
104.8°F
Avg Low
75.1°F
Precipitation
1.30 in
Daylight
13h 14m
August records in Tempe
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 117.0°F (1972) | 64.9°F (1976) | 0.98 in (1987) |
| August 2 | 118.9°F (1972) | 64.9°F (1976) | 0.99 in (1978) |
| August 3 | 115.0°F (2024) | 57.9°F (1956) | 2.01 in (1964) |
| August 4 | 115.0°F (2024) | 62.1°F (1953) | 1.10 in (2017) |
| August 5 | 117.0°F (1969) | 60.1°F (1976) | 0.56 in (2005) |
| August 6 | 116.1°F (2025) | 61.0°F (1976) | 1.26 in (1974) |
| August 7 | 118.0°F (2025) | 63.0°F (1956) | 0.61 in (1955) |
| August 8 | 114.1°F (1980) | 62.1°F (2009) | 1.20 in (2008) |
| August 9 | 113.0°F (2025) | 61.0°F (2009) | 0.43 in (2001) |
| August 10 | 111.9°F (1965) | 66.0°F (1974) | 1.97 in (2018) |
| August 11 | 111.0°F (1962) | 64.9°F (1974) | 0.65 in (1980) |
| August 12 | 114.1°F (1962) | 62.1°F (1974) | 1.20 in (2006) |
| August 13 | 111.9°F (1962) | 64.0°F (1974) | 0.67 in (1956) |
| August 14 | 116.1°F (1962) | 59.0°F (1976) | 0.55 in (2021) |
| August 15 | 113.0°F (1962) | 57.0°F (1968) | 0.61 in (1995) |
| August 16 | 113.0°F (2023) | 57.9°F (1968) | 0.63 in (1983) |
| August 17 | 113.0°F (2020) | 57.9°F (1980) | 0.88 in (1983) |
| August 18 | 111.9°F (2020) | 57.9°F (1956) | 0.62 in (1966) |
| August 19 | 113.0°F (2020) | 62.1°F (1972) | 1.60 in (1996) |
| August 20 | 111.9°F (2025) | 59.0°F (1980) | 1.11 in (1985) |
| August 21 | 114.1°F (2025) | 59.0°F (1980) | 1.05 in (1995) |
| August 22 | 113.0°F (1969) | 60.1°F (1968) | 1.06 in (2006) |
| August 23 | 113.0°F (1969) | 52.0°F (1968) | 0.86 in (2012) |
| August 24 | 113.0°F (1969) | 57.9°F (1965) | 0.95 in (1957) |
| August 25 | 111.0°F (2011) | 55.9°F (1978) | 0.53 in (1982) |
| August 26 | 113.0°F (2011) | 54.0°F (1978) | 1.10 in (1963) |
| August 27 | 113.0°F (1967) | 55.9°F (1978) | 1.20 in (1986) |
| August 28 | 115.0°F (2023) | 59.0°F (1956) | 0.75 in (1999) |
| August 29 | 114.1°F (2023) | 57.0°F (1956) | 1.61 in (2008) |
| August 30 | 114.1°F (2023) | 57.0°F (1956) | 0.53 in (2015) |
| August 31 | 111.0°F (1970) | 55.9°F (1957) | 0.29 in (2001) |