August weather in Omak, WA
The average temperature in Omak in August is 72.8°F (56.8°F–88.8°F). Average precipitation: 0.27 inches.
August is a summer month in Omak, and is warmer than the annual average of 49.9°F. Daily temperatures swing about 32°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 14h 8m. For travel, August is hot.
Avg High
88.8°F
Avg Low
56.8°F
Precipitation
0.27 in
Daylight
14h 8m
August records in Omak
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 106.0°F (2009) | 43.0°F (2006) | 0.47 in (2013) |
| August 2 | 106.0°F (2024) | 51.1°F (2008) | 0.04 in (2013) |
| August 3 | 104.0°F (2024) | 46.9°F (2016) | 0.35 in (2004) |
| August 4 | 106.0°F (1998) | 46.0°F (2006) | 0.06 in (1999) |
| August 5 | 104.0°F (1998) | 42.1°F (2002) | 0.36 in (2004) |
| August 6 | 102.9°F (2019) | 43.0°F (2002) | 0.37 in (2025) |
| August 7 | 104.0°F (2019) | 44.1°F (2020) | 0.10 in (2025) |
| August 8 | 102.0°F (2022) | 48.0°F (2016) | 0.01 in (2008) |
| August 9 | 105.1°F (2018) | 46.9°F (2016) | 0.13 in (2008) |
| August 10 | 102.9°F (2018) | 48.9°F (2011) | 0.60 in (2013) |
| August 11 | 104.0°F (2021) | 45.0°F (2008) | 0.08 in (2019) |
| August 12 | 104.0°F (2015) | 50.0°F (2006) | 0.04 in (2014) |
| August 13 | 102.9°F (2004) | 48.0°F (2003) | 0.00 in (1998) |
| August 14 | 107.1°F (2023) | 45.0°F (2009) | 0.27 in (2014) |
| August 15 | 109.0°F (2023) | 46.0°F (2009) | 0.09 in (2014) |
| August 16 | 105.1°F (2008) | 48.0°F (2011) | 0.17 in (2025) |
| August 17 | 106.0°F (2008) | 43.0°F (2011) | 0.11 in (2005) |
| August 18 | 104.0°F (2020) | 43.0°F (2005) | 0.00 in (1998) |
| August 19 | 99.0°F (2022) | 45.0°F (2005) | 0.19 in (2008) |
| August 20 | 102.0°F (2009) | 41.0°F (2000) | 0.26 in (2021) |
| August 21 | 100.0°F (2005) | 44.1°F (2000) | 0.31 in (2014) |
| August 22 | 97.0°F (2022) | 41.0°F (2008) | 0.12 in (2001) |
| August 23 | 97.0°F (2025) | 45.0°F (2000) | 0.12 in (2024) |
| August 24 | 100.0°F (2025) | 43.0°F (2005) | 0.53 in (2024) |
| August 25 | 100.9°F (2025) | 45.0°F (2001) | 0.07 in (2004) |
| August 26 | 100.0°F (2025) | 39.9°F (2008) | 0.02 in (2018) |
| August 27 | 98.1°F (2023) | 39.0°F (2010) | 0.00 in (1998) |
| August 28 | 100.0°F (2023) | 42.1°F (2024) | 0.00 in (1998) |
| August 29 | 100.9°F (1998) | 41.0°F (2010) | 0.18 in (2013) |
| August 30 | 98.1°F (2022) | 39.9°F (2005) | 0.41 in (1999) |
| August 31 | 100.0°F (2022) | 37.9°F (2006) | 0.03 in (2010) |