August weather in Selah, WA
The average temperature in Selah in August is 69.7°F (52.3°F–87.2°F). Average precipitation: 0.16 inches.
August is a summer month in Selah, and is warmer than the annual average of 49.2°F. Daily temperatures swing about 34.9°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 14h 0m. For travel, August is a comfortable month to visit.
Avg High
87.2°F
Avg Low
52.3°F
Precipitation
0.16 in
Daylight
14h 0m
August records in Selah
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 104.0°F (2015) | 42.1°F (2002) | 0.04 in (2010) |
| August 2 | 104.0°F (2009) | 42.1°F (2008) | 0.00 in (1999) |
| August 3 | 100.0°F (2015) | 41.0°F (2002) | 0.08 in (2004) |
| August 4 | 100.0°F (1999) | 45.0°F (2002) | 0.00 in (1999) |
| August 5 | 100.0°F (2014) | 39.9°F (2002) | 0.40 in (2024) |
| August 6 | 102.0°F (2005) | 39.9°F (2002) | 0.21 in (2003) |
| August 7 | 102.0°F (2005) | 41.0°F (2002) | 0.21 in (2003) |
| August 8 | 100.9°F (2019) | 44.1°F (2002) | 0.02 in (1999) |
| August 9 | 100.0°F (2022) | 32.0°F (2020) | 0.13 in (2008) |
| August 10 | 102.9°F (2018) | 46.0°F (2007) | 0.35 in (2019) |
| August 11 | 100.0°F (2001) | 45.0°F (2007) | 0.02 in (2003) |
| August 12 | 100.9°F (2025) | 43.0°F (2000) | 0.16 in (2009) |
| August 13 | 100.0°F (2004) | 37.0°F (2020) | 0.03 in (2017) |
| August 14 | 104.0°F (2001) | 33.1°F (2020) | 0.06 in (2014) |
| August 15 | 102.0°F (2001) | 28.9°F (2020) | 0.15 in (1999) |
| August 16 | 104.0°F (2023) | 43.0°F (2000) | 0.03 in (2025) |
| August 17 | 102.0°F (2008) | 45.0°F (2000) | 0.05 in (2005) |
| August 18 | 105.1°F (2023) | 44.1°F (2002) | 0.18 in (2024) |
| August 19 | 100.0°F (2020) | 43.0°F (2000) | 0.10 in (2007) |
| August 20 | 97.0°F (2004) | 42.1°F (2000) | 0.02 in (2007) |
| August 21 | 100.9°F (2009) | 44.1°F (2000) | 0.25 in (2024) |
| August 22 | 98.1°F (2005) | 42.1°F (2008) | 0.35 in (2004) |
| August 23 | 97.0°F (2022) | 39.9°F (2021) | 0.16 in (2001) |
| August 24 | 98.1°F (2025) | 41.0°F (2001) | 0.12 in (2024) |
| August 25 | 99.0°F (2025) | 43.0°F (2005) | 0.22 in (2008) |
| August 26 | 99.0°F (2025) | 41.0°F (2008) | 0.13 in (2013) |
| August 27 | 96.1°F (2025) | 42.1°F (2007) | 0.01 in (2004) |
| August 28 | 98.1°F (2023) | 41.0°F (2000) | 0.00 in (1999) |
| August 29 | 100.9°F (2023) | 41.0°F (2010) | 0.02 in (2019) |
| August 30 | 97.0°F (2017) | 42.1°F (2006) | 0.09 in (2019) |
| August 31 | 96.1°F (2007) | 36.0°F (1999) | 0.13 in (1999) |