August weather in Koyukuk, AK
The average temperature in Koyukuk in August is 54.0°F (45.6°F–62.4°F). Average precipitation: 2.47 inches.
August is a summer month in Koyukuk, and is warmer than the annual average of 26°F. Daily temperatures swing about 16.8°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 16h 13m. For travel, August is a comfortable month to visit.
Avg High
62.4°F
Avg Low
45.6°F
Precipitation
2.47 in
Daylight
16h 13m
August records in Koyukuk
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 82.0°F (2010) | 41.0°F (2000) | 0.32 in (1998) |
| August 2 | 81.0°F (2002) | 37.9°F (2003) | 0.68 in (2024) |
| August 3 | 82.9°F (2002) | 36.0°F (2011) | 0.64 in (2024) |
| August 4 | 82.0°F (2002) | 39.0°F (2003) | 0.34 in (2017) |
| August 5 | 82.0°F (2021) | 39.9°F (2008) | 0.44 in (2010) |
| August 6 | 77.0°F (2021) | 33.1°F (1998) | 0.73 in (2007) |
| August 7 | 78.1°F (2025) | 35.1°F (2002) | 1.01 in (2019) |
| August 8 | 77.0°F (2003) | 36.0°F (2012) | 0.27 in (2006) |
| August 9 | 80.1°F (2005) | 35.1°F (2022) | 0.30 in (2021) |
| August 10 | 82.9°F (2003) | 37.0°F (2020) | 0.50 in (2019) |
| August 11 | 79.0°F (2003) | 35.1°F (2002) | 0.33 in (2024) |
| August 12 | 77.0°F (2005) | 37.0°F (2020) | 0.56 in (2011) |
| August 13 | 80.1°F (2005) | 39.0°F (2020) | 0.71 in (2004) |
| August 14 | 79.0°F (2005) | 36.0°F (2002) | 0.52 in (2017) |
| August 15 | 80.1°F (2004) | 33.1°F (2000) | 0.58 in (2022) |
| August 16 | 81.0°F (2004) | 34.0°F (2009) | 1.06 in (2024) |
| August 17 | 82.9°F (2004) | 30.0°F (1997) | 0.75 in (2002) |
| August 18 | 86.0°F (2004) | 28.0°F (1997) | 0.90 in (2024) |
| August 19 | 84.9°F (2004) | 32.0°F (2022) | 0.75 in (2006) |
| August 20 | 82.0°F (2004) | 30.0°F (2025) | 0.50 in (2016) |
| August 21 | 73.9°F (2004) | 30.0°F (2025) | 0.50 in (2016) |
| August 22 | 72.0°F (2020) | 32.0°F (2002) | 0.56 in (2016) |
| August 23 | 73.9°F (2004) | 28.9°F (2002) | 0.60 in (2016) |
| August 24 | 73.0°F (2004) | 30.0°F (2002) | 0.58 in (2025) |
| August 25 | 73.0°F (2007) | 33.1°F (2000) | 0.60 in (2023) |
| August 26 | 73.9°F (2007) | 28.9°F (2009) | 0.53 in (2022) |
| August 27 | 73.9°F (2007) | 28.0°F (2009) | 1.00 in (2025) |
| August 28 | 75.0°F (2007) | 30.0°F (2021) | 0.56 in (2025) |
| August 29 | 71.1°F (2006) | 30.0°F (1998) | 0.63 in (1997) |
| August 30 | 72.0°F (2016) | 28.9°F (2002) | 0.38 in (2012) |
| August 31 | 68.0°F (2007) | 32.0°F (2024) | 0.38 in (2017) |