August weather in Bellingham, WA
The average temperature in Bellingham in August is 64.3°F (53.8°F–74.8°F). Average precipitation: 1.11 inches.
August is a summer month in Bellingham, and is warmer than the annual average of 51.9°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 14h 10m. For travel, August is one of the best months of the year to visit.
Avg High
74.8°F
Avg Low
53.8°F
Precipitation
1.11 in
Daylight
14h 10m
August records in Bellingham
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 82.0°F (2014) | 46.9°F (2011) | 0.15 in (1985) |
| August 2 | 82.9°F (2014) | 48.0°F (2006) | 0.24 in (2013) |
| August 3 | 84.0°F (1993) | 46.9°F (2002) | 0.42 in (2001) |
| August 4 | 84.0°F (1993) | 48.9°F (2008) | 0.17 in (2022) |
| August 5 | 84.9°F (1993) | 48.9°F (2022) | 0.19 in (1996) |
| August 6 | 84.9°F (1993) | 48.9°F (1992) | 0.44 in (1992) |
| August 7 | 84.0°F (2018) | 48.9°F (1996) | 1.25 in (1995) |
| August 8 | 86.0°F (2018) | 48.9°F (1992) | 0.20 in (1999) |
| August 9 | 88.0°F (2018) | 46.0°F (2019) | 0.89 in (1991) |
| August 10 | 88.0°F (2018) | 50.0°F (1992) | 0.34 in (2009) |
| August 11 | 91.0°F (1990) | 48.0°F (2007) | 0.58 in (2009) |
| August 12 | 82.9°F (1997) | 46.9°F (2000) | 0.12 in (1991) |
| August 13 | 86.0°F (2002) | 46.0°F (2020) | 0.52 in (2014) |
| August 14 | 86.0°F (2002) | 48.9°F (2000) | 0.25 in (1989) |
| August 15 | 88.0°F (2012) | 48.0°F (2000) | 0.45 in (1999) |
| August 16 | 86.0°F (2010) | 46.0°F (2011) | 0.60 in (1999) |
| August 17 | 84.9°F (2012) | 46.0°F (1994) | 1.10 in (2005) |
| August 18 | 84.9°F (1997) | 48.0°F (1987) | 0.64 in (1990) |
| August 19 | 87.1°F (2016) | 48.0°F (1998) | 0.23 in (2000) |
| August 20 | 87.1°F (2016) | 48.0°F (1995) | 0.37 in (2008) |
| August 21 | 82.0°F (2018) | 45.0°F (1987) | 1.87 in (1989) |
| August 22 | 82.0°F (2017) | 46.0°F (1987) | 1.10 in (2001) |
| August 23 | 80.1°F (2014) | 46.9°F (2010) | 0.26 in (2024) |
| August 24 | 79.0°F (1992) | 43.0°F (2021) | 0.73 in (2004) |
| August 25 | 80.1°F (2010) | 44.1°F (2021) | 1.31 in (2004) |
| August 26 | 84.9°F (2016) | 46.9°F (1985) | 0.29 in (1997) |
| August 27 | 84.9°F (2016) | 45.0°F (2021) | 0.94 in (1991) |
| August 28 | 82.0°F (2002) | 44.1°F (2000) | 0.25 in (2013) |
| August 29 | 82.0°F (2002) | 46.0°F (1985) | 0.54 in (2015) |
| August 30 | 81.0°F (1996) | 46.0°F (2010) | 0.71 in (1990) |
| August 31 | 81.0°F (1987) | 46.0°F (2006) | 0.68 in (1990) |