August weather in Marysville, WA
The average temperature in Marysville in August is 65.4°F (55.2°F–75.7°F). Average precipitation: 1.15 inches.
August is a summer month in Marysville, and is warmer than the annual average of 52.1°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Daylight averages about 14h 7m. For travel, August is one of the best months of the year to visit.
Avg High
75.7°F
Avg Low
55.2°F
Precipitation
1.15 in
Daylight
14h 7m
August records in Marysville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 89.1°F (2022) | 43.0°F (1917) | 0.42 in (1919) |
| August 2 | 89.1°F (2022) | 41.0°F (1937) | 0.23 in (1956) |
| August 3 | 84.9°F (2015) | 41.0°F (1916) | 0.35 in (1933) |
| August 4 | 87.1°F (2017) | 41.0°F (1955) | 0.54 in (1962) |
| August 5 | 91.9°F (1952) | 43.0°F (1950) | 0.77 in (1933) |
| August 6 | 88.0°F (2012) | 45.0°F (1919) | 0.38 in (1984) |
| August 7 | 87.1°F (1964) | 45.0°F (1919) | 0.85 in (1995) |
| August 8 | 86.0°F (1981) | 43.0°F (1917) | 1.51 in (1985) |
| August 9 | 91.9°F (1960) | 43.0°F (1975) | 0.61 in (1991) |
| August 10 | 93.9°F (1960) | 43.0°F (1917) | 0.26 in (1922) |
| August 11 | 90.0°F (1981) | 43.0°F (1917) | 0.50 in (2009) |
| August 12 | 89.1°F (2014) | 43.0°F (1918) | 0.45 in (1983) |
| August 13 | 91.0°F (1977) | 42.1°F (1955) | 1.26 in (2014) |
| August 14 | 89.1°F (2002) | 44.1°F (1954) | 0.63 in (1999) |
| August 15 | 90.0°F (2010) | 39.9°F (1966) | 0.78 in (2015) |
| August 16 | 91.9°F (2021) | 43.0°F (1935) | 1.00 in (1972) |
| August 17 | 100.0°F (2020) | 43.0°F (1969) | 1.02 in (1995) |
| August 18 | 91.0°F (2023) | 42.1°F (1920) | 0.88 in (1926) |
| August 19 | 88.0°F (1977) | 37.9°F (1916) | 0.82 in (1975) |
| August 20 | 88.0°F (2016) | 39.9°F (1916) | 0.84 in (1976) |
| August 21 | 86.0°F (2016) | 39.9°F (1916) | 0.38 in (1921) |
| August 22 | 86.0°F (2018) | 42.1°F (1951) | 1.04 in (1989) |
| August 23 | 87.1°F (2018) | 39.9°F (1987) | 0.92 in (1929) |
| August 24 | 86.0°F (1981) | 41.0°F (1992) | 1.22 in (1977) |
| August 25 | 84.0°F (1985) | 42.1°F (1973) | 0.91 in (2008) |
| August 26 | 87.1°F (2022) | 43.0°F (1921) | 1.70 in (1960) |
| August 27 | 91.0°F (2016) | 0.0°F (1994) | 0.90 in (1968) |
| August 28 | 84.9°F (1986) | 37.9°F (1918) | 0.80 in (1965) |
| August 29 | 86.0°F (2017) | 39.9°F (1965) | 0.60 in (1920) |
| August 30 | 89.1°F (2017) | 42.1°F (1915) | 1.11 in (2013) |
| August 31 | 84.0°F (1918) | 42.1°F (1969) | 0.51 in (1975) |