August weather in Dunsmuir, CA
The average temperature in Dunsmuir in August is 70.3°F (51.5°F–89.1°F). Average precipitation: 0.20 inches.
August is a summer month in Dunsmuir, and is warmer than the annual average of 53.9°F. Daily temperatures swing about 37.6°F between overnight low and afternoon high. Expect about 1 days with precipitation. Daylight averages about 13h 39m. For travel, August is hot.
Avg High
89.1°F
Avg Low
51.5°F
Precipitation
0.20 in
Daylight
13h 39m
August records in Dunsmuir
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (2017) | 45.0°F (1989) | 0.80 in (2025) |
| August 2 | 105.1°F (2017) | 44.1°F (2004) | 0.93 in (2003) |
| August 3 | 102.9°F (1998) | 46.0°F (1997) | 0.09 in (2003) |
| August 4 | 102.9°F (1998) | 46.0°F (1991) | 0.02 in (2002) |
| August 5 | 102.9°F (1978) | 42.1°F (2002) | 0.20 in (2008) |
| August 6 | 105.1°F (1990) | 43.0°F (2002) | 0.10 in (1999) |
| August 7 | 106.0°F (1978) | 45.0°F (2007) | 0.31 in (2000) |
| August 8 | 109.0°F (1981) | 45.0°F (2003) | 0.08 in (1989) |
| August 9 | 109.0°F (1984) | 45.0°F (2003) | 0.00 in (1978) |
| August 10 | 104.0°F (1981) | 43.0°F (1994) | 0.55 in (2019) |
| August 11 | 102.0°F (1992) | 43.0°F (1994) | 0.00 in (1978) |
| August 12 | 106.0°F (2025) | 44.1°F (1989) | 0.00 in (1978) |
| August 13 | 106.0°F (2002) | 45.0°F (2000) | 0.10 in (1996) |
| August 14 | 105.1°F (2008) | 43.0°F (2007) | 0.19 in (1993) |
| August 15 | 106.0°F (2008) | 43.0°F (2007) | 0.16 in (1993) |
| August 16 | 102.0°F (2023) | 44.1°F (1993) | 0.06 in (1993) |
| August 17 | 102.0°F (2022) | 45.0°F (1993) | 0.12 in (2025) |
| August 18 | 102.0°F (2022) | 45.0°F (1978) | 0.35 in (2024) |
| August 19 | 102.9°F (2016) | 42.1°F (2024) | 1.20 in (1997) |
| August 20 | 102.0°F (2009) | 43.0°F (1981) | 0.41 in (1979) |
| August 21 | 98.1°F (2022) | 44.1°F (1998) | 0.01 in (1979) |
| August 22 | 100.9°F (1982) | 44.1°F (1978) | 1.54 in (2023) |
| August 23 | 99.0°F (1996) | 43.0°F (1978) | 0.60 in (1997) |
| August 24 | 100.0°F (2007) | 43.0°F (1984) | 0.94 in (2024) |
| August 25 | 99.0°F (2010) | 41.0°F (2024) | 0.47 in (1990) |
| August 26 | 100.9°F (2010) | 41.0°F (2005) | 0.03 in (1984) |
| August 27 | 100.9°F (1988) | 42.1°F (1983) | 0.05 in (1991) |
| August 28 | 102.0°F (1988) | 41.0°F (1994) | 0.11 in (1991) |
| August 29 | 102.0°F (1988) | 42.1°F (1985) | 0.55 in (1979) |
| August 30 | 100.9°F (1987) | 42.1°F (1985) | 0.10 in (1979) |
| August 31 | 104.0°F (1998) | 42.1°F (1995) | 0.72 in (1984) |