August weather in Marana, AZ
The average temperature in Marana in August is 83.5°F (68.8°F–98.2°F). Average precipitation: 2.54 inches.
August is a summer month in Marana, and is warmer than the annual average of 65.7°F. Daily temperatures swing about 29.4°F between overnight low and afternoon high. Daylight averages about 13h 12m. For travel, August is hot.
Avg High
98.2°F
Avg Low
68.8°F
Precipitation
2.54 in
Daylight
13h 12m
August records in Marana
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 109.9°F (2020) | 64.9°F (2009) | 0.60 in (2023) |
| August 2 | 107.1°F (2025) | 64.9°F (2009) | 0.45 in (2017) |
| August 3 | 108.0°F (2025) | 62.1°F (2010) | 1.01 in (2024) |
| August 4 | 108.0°F (2020) | 48.0°F (2012) | 0.40 in (2022) |
| August 5 | 108.0°F (2019) | 62.1°F (2014) | 0.08 in (2009) |
| August 6 | 109.9°F (2025) | 64.0°F (2020) | 0.87 in (2009) |
| August 7 | 113.0°F (2025) | 63.0°F (2013) | 0.10 in (2012) |
| August 8 | 111.9°F (2025) | 57.0°F (2009) | 1.68 in (2015) |
| August 9 | 107.1°F (2012) | 57.9°F (2013) | 1.40 in (2022) |
| August 10 | 108.0°F (2020) | 62.1°F (2009) | 1.27 in (2021) |
| August 11 | 107.1°F (2012) | 62.1°F (2009) | 1.70 in (2021) |
| August 12 | 105.1°F (2020) | 64.0°F (2013) | 0.75 in (2018) |
| August 13 | 109.0°F (2012) | 64.0°F (2013) | 1.42 in (2014) |
| August 14 | 109.9°F (2012) | 64.0°F (2009) | 0.40 in (2021) |
| August 15 | 111.0°F (2020) | 62.1°F (2014) | 0.03 in (2010) |
| August 16 | 109.0°F (2020) | 59.0°F (2017) | 0.81 in (2010) |
| August 17 | 109.9°F (2020) | 59.0°F (2009) | 1.20 in (2020) |
| August 18 | 109.9°F (2020) | 57.0°F (2017) | 0.19 in (2024) |
| August 19 | 109.9°F (2020) | 60.1°F (2017) | 0.40 in (2011) |
| August 20 | 108.0°F (2020) | 64.9°F (2021) | 1.19 in (2022) |
| August 21 | 109.0°F (2019) | 64.0°F (2021) | 0.39 in (2022) |
| August 22 | 111.0°F (2019) | 60.1°F (2016) | 0.25 in (2009) |
| August 23 | 105.1°F (2025) | 62.1°F (2025) | 0.48 in (2012) |
| August 24 | 105.1°F (2011) | 62.1°F (2014) | 0.35 in (2010) |
| August 25 | 109.0°F (2020) | 63.0°F (2016) | 0.37 in (2010) |
| August 26 | 107.1°F (2020) | 63.0°F (2009) | 0.22 in (2014) |
| August 27 | 106.0°F (2011) | 63.0°F (2009) | 0.35 in (2023) |
| August 28 | 106.0°F (2019) | 55.9°F (2016) | 0.00 in (2009) |
| August 29 | 108.0°F (2020) | 57.9°F (2016) | 0.34 in (2010) |
| August 30 | 107.1°F (2023) | 60.1°F (2014) | 0.54 in (2010) |
| August 31 | 107.1°F (2011) | 61.0°F (2014) | 0.50 in (2020) |