August weather in Mammoth, AZ
The average temperature in Mammoth in August is 78.5°F (66.1°F–91.0°F). Average precipitation: 3.57 inches.
August is a summer month in Mammoth, and is warmer than the annual average of 62.1°F. Daily temperatures swing about 24.9°F between overnight low and afternoon high. Daylight averages about 13h 12m. For travel, August is hot.
Avg High
91.0°F
Avg Low
66.1°F
Precipitation
3.57 in
Daylight
13h 12m
August records in Mammoth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 105.1°F (2020) | 63.0°F (2016) | 1.03 in (2019) |
| August 2 | 100.0°F (2018) | 63.0°F (2010) | 1.10 in (2015) |
| August 3 | 100.0°F (2018) | 62.1°F (2010) | 0.42 in (2021) |
| August 4 | 99.0°F (2024) | 62.1°F (2010) | 0.64 in (2022) |
| August 5 | 100.9°F (2023) | 61.0°F (2014) | 0.18 in (2022) |
| August 6 | 102.9°F (2023) | 61.0°F (2014) | 1.06 in (2016) |
| August 7 | 104.0°F (2025) | 60.1°F (2013) | 0.55 in (2011) |
| August 8 | 105.1°F (2025) | 57.9°F (2018) | 1.57 in (2018) |
| August 9 | 100.9°F (2012) | 57.9°F (2018) | 1.70 in (2022) |
| August 10 | 102.0°F (2012) | 55.9°F (2016) | 0.22 in (2021) |
| August 11 | 102.0°F (2012) | 55.9°F (2016) | 2.10 in (2016) |
| August 12 | 104.0°F (2012) | 60.1°F (2018) | 0.65 in (2021) |
| August 13 | 105.1°F (2012) | 60.1°F (2023) | 4.50 in (2017) |
| August 14 | 104.0°F (2012) | 60.1°F (2016) | 1.95 in (2022) |
| August 15 | 102.9°F (2020) | 61.0°F (2017) | 0.44 in (2021) |
| August 16 | 102.0°F (2020) | 57.0°F (2017) | 0.05 in (2023) |
| August 17 | 105.1°F (2020) | 57.9°F (2017) | 0.80 in (2018) |
| August 18 | 104.0°F (2020) | 57.9°F (2017) | 2.20 in (2022) |
| August 19 | 102.9°F (2013) | 60.1°F (2021) | 0.20 in (2021) |
| August 20 | 106.0°F (2020) | 57.9°F (2014) | 1.08 in (2022) |
| August 21 | 102.0°F (2019) | 57.0°F (2017) | 0.70 in (2022) |
| August 22 | 102.9°F (2025) | 57.0°F (2016) | 0.52 in (2012) |
| August 23 | 102.9°F (2025) | 57.9°F (2014) | 1.49 in (2015) |
| August 24 | 104.0°F (2020) | 60.1°F (2014) | 1.25 in (2017) |
| August 25 | 102.9°F (2020) | 60.1°F (2016) | 1.06 in (2010) |
| August 26 | 102.9°F (2020) | 61.0°F (2024) | 0.09 in (2013) |
| August 27 | 102.0°F (2011) | 60.1°F (2016) | 0.70 in (2014) |
| August 28 | 102.0°F (2011) | 57.0°F (2016) | 0.02 in (2015) |
| August 29 | 100.9°F (2023) | 55.9°F (2016) | 0.05 in (2014) |
| August 30 | 102.9°F (2023) | 59.0°F (2010) | 0.24 in (2013) |
| August 31 | 100.0°F (2011) | 62.1°F (2014) | 0.41 in (2015) |