August weather in Twentynine Palms, CA
The average temperature in Twentynine Palms in August is 89.6°F (76.4°F–102.7°F). Average precipitation: 0.65 inches.
August is a summer month in Twentynine Palms, and is warmer than the annual average of 70.3°F. Daily temperatures swing about 26.3°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 13h 17m. For travel, August is hot.
Avg High
102.7°F
Avg Low
76.4°F
Precipitation
0.65 in
Daylight
13h 17m
August records in Twentynine Palms
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 114.1°F (1938) | 59.0°F (1937) | 1.76 in (2003) |
| August 2 | 115.0°F (1993) | 61.0°F (1937) | 1.22 in (1945) |
| August 3 | 114.1°F (1995) | 59.0°F (2004) | 1.18 in (1992) |
| August 4 | 115.0°F (2016) | 57.9°F (1956) | 0.77 in (2008) |
| August 5 | 114.1°F (1998) | 59.0°F (1951) | 0.28 in (2022) |
| August 6 | 113.0°F (1969) | 60.1°F (1976) | 0.47 in (1945) |
| August 7 | 113.0°F (1981) | 60.1°F (1999) | 0.73 in (1941) |
| August 8 | 111.9°F (1981) | 59.0°F (1999) | 0.57 in (1997) |
| August 9 | 111.9°F (1980) | 60.1°F (1948) | 0.48 in (1983) |
| August 10 | 113.0°F (2004) | 59.0°F (1942) | 1.07 in (1941) |
| August 11 | 116.1°F (1940) | 60.1°F (1949) | 0.74 in (2017) |
| August 12 | 114.1°F (1937) | 59.0°F (1988) | 0.63 in (2004) |
| August 13 | 114.1°F (2002) | 55.9°F (1988) | 0.28 in (2004) |
| August 14 | 114.1°F (1989) | 57.9°F (1968) | 0.84 in (1943) |
| August 15 | 113.0°F (2002) | 57.9°F (1987) | 2.16 in (1961) |
| August 16 | 113.0°F (2002) | 59.0°F (1938) | 1.04 in (1970) |
| August 17 | 111.9°F (2020) | 57.0°F (1976) | 1.82 in (1977) |
| August 18 | 111.0°F (1992) | 57.9°F (1976) | 0.99 in (1945) |
| August 19 | 113.0°F (1950) | 57.9°F (1980) | 1.60 in (1984) |
| August 20 | 111.9°F (1950) | 53.1°F (1959) | 1.56 in (2023) |
| August 21 | 111.9°F (1950) | 55.9°F (1936) | 0.33 in (1950) |
| August 22 | 111.0°F (1950) | 57.0°F (1968) | 0.57 in (1939) |
| August 23 | 111.0°F (1998) | 55.9°F (1968) | 0.05 in (1959) |
| August 24 | 113.0°F (1985) | 52.0°F (2004) | 1.62 in (2000) |
| August 25 | 109.9°F (1956) | 55.0°F (1973) | 1.23 in (2025) |
| August 26 | 111.9°F (2001) | 57.0°F (1954) | 1.24 in (2003) |
| August 27 | 111.0°F (1958) | 55.9°F (1973) | 0.50 in (1971) |
| August 28 | 111.0°F (1998) | 57.9°F (2004) | 1.20 in (1971) |
| August 29 | 111.0°F (1981) | 55.0°F (1941) | 0.66 in (2000) |
| August 30 | 111.9°F (2022) | 55.9°F (1942) | 0.34 in (2013) |
| August 31 | 111.9°F (1950) | 54.0°F (1989) | 0.50 in (2021) |