August weather in Dewey-Humboldt, AZ
The average temperature in Dewey-Humboldt in August is 73.5°F (59.7°F–87.2°F). Average precipitation: 2.78 inches.
August is a summer month in Dewey-Humboldt, and is warmer than the annual average of 55.4°F. Daily temperatures swing about 27.5°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 18m. For travel, August is a comfortable month to visit.
Avg High
87.2°F
Avg Low
59.7°F
Precipitation
2.78 in
Daylight
13h 18m
August records in Dewey-Humboldt
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (2020) | 46.0°F (1903) | 2.65 in (1906) |
| August 2 | 99.0°F (1934) | 45.0°F (1903) | 1.09 in (1926) |
| August 3 | 98.1°F (1918) | 46.0°F (1903) | 1.90 in (1971) |
| August 4 | 99.0°F (1904) | 45.0°F (1976) | 1.81 in (1934) |
| August 5 | 99.0°F (1994) | 41.0°F (1924) | 1.66 in (1934) |
| August 6 | 102.0°F (1905) | 43.0°F (1928) | 1.00 in (1984) |
| August 7 | 98.1°F (1905) | 43.0°F (1928) | 1.60 in (1919) |
| August 8 | 99.0°F (2025) | 46.9°F (1950) | 1.92 in (1971) |
| August 9 | 100.9°F (1928) | 48.9°F (1900) | 1.46 in (1994) |
| August 10 | 97.0°F (1928) | 44.1°F (1949) | 1.36 in (2001) |
| August 11 | 100.9°F (1937) | 41.0°F (1949) | 2.15 in (2016) |
| August 12 | 99.0°F (1933) | 42.1°F (1900) | 2.08 in (1984) |
| August 13 | 100.0°F (1933) | 45.0°F (1902) | 1.91 in (2014) |
| August 14 | 99.0°F (1933) | 42.1°F (1899) | 1.47 in (1931) |
| August 15 | 99.0°F (2020) | 39.9°F (1968) | 1.26 in (1961) |
| August 16 | 100.9°F (2020) | 42.1°F (1918) | 1.60 in (1927) |
| August 17 | 102.0°F (2020) | 39.9°F (1899) | 1.21 in (1998) |
| August 18 | 100.0°F (1905) | 39.9°F (1899) | 1.51 in (1971) |
| August 19 | 99.0°F (1928) | 41.0°F (1899) | 2.52 in (2014) |
| August 20 | 100.0°F (1928) | 37.0°F (1909) | 1.51 in (1963) |
| August 21 | 97.0°F (2025) | 42.1°F (1979) | 1.07 in (1911) |
| August 22 | 96.1°F (2019) | 43.0°F (1979) | 3.15 in (1960) |
| August 23 | 97.0°F (1936) | 32.0°F (1968) | 1.75 in (1992) |
| August 24 | 98.1°F (2011) | 39.9°F (1968) | 1.09 in (1959) |
| August 25 | 97.0°F (1985) | 43.0°F (1948) | 1.20 in (1904) |
| August 26 | 98.1°F (1924) | 41.0°F (1940) | 1.28 in (1963) |
| August 27 | 97.0°F (1924) | 41.0°F (1954) | 1.51 in (2014) |
| August 28 | 97.0°F (1924) | 41.0°F (1920) | 2.10 in (1925) |
| August 29 | 96.1°F (1930) | 42.1°F (1920) | 2.00 in (1951) |
| August 30 | 97.0°F (2023) | 42.1°F (1964) | 0.47 in (1925) |
| August 31 | 98.1°F (1950) | 37.9°F (1957) | 0.95 in (1919) |