May weather in Washougal, WA
The average temperature in Washougal in May is 57.8°F (47.9°F–67.7°F). Average precipitation: 3.31 inches.
May is a spring month in Washougal, and is warmer than the annual average of 53.4°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Daylight averages about 14h 43m. For travel, May is a comfortable month to visit.
Avg High
67.7°F
Avg Low
47.9°F
Precipitation
3.31 in
Daylight
14h 43m
May records in Washougal
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (1998) | 33.1°F (1948) | 1.46 in (1949) |
| May 2 | 86.0°F (2014) | 30.9°F (1952) | 0.72 in (1995) |
| May 3 | 80.1°F (1966) | 30.0°F (2007) | 0.82 in (1999) |
| May 4 | 93.0°F (1992) | 30.9°F (2007) | 0.83 in (1951) |
| May 5 | 91.0°F (1992) | 27.0°F (2007) | 0.96 in (1948) |
| May 6 | 90.0°F (1992) | 34.0°F (2007) | 1.46 in (1963) |
| May 7 | 91.9°F (1987) | 34.0°F (1965) | 1.68 in (2022) |
| May 8 | 96.1°F (1987) | 34.0°F (1965) | 0.70 in (1991) |
| May 9 | 95.0°F (1987) | 30.9°F (2007) | 1.28 in (2011) |
| May 10 | 90.0°F (1987) | 33.1°F (2007) | 0.66 in (2005) |
| May 11 | 89.1°F (2019) | 32.0°F (2007) | 1.32 in (1967) |
| May 12 | 90.0°F (1988) | 35.1°F (2007) | 1.02 in (1987) |
| May 13 | 89.1°F (1997) | 34.0°F (1985) | 0.51 in (1998) |
| May 14 | 91.9°F (1973) | 28.0°F (2007) | 0.61 in (2009) |
| May 15 | 88.0°F (2012) | 36.0°F (1964) | 0.89 in (2001) |
| May 16 | 89.1°F (2023) | 36.0°F (2007) | 0.94 in (2011) |
| May 17 | 90.0°F (2008) | 34.0°F (2007) | 1.06 in (1972) |
| May 18 | 96.1°F (2008) | 35.1°F (2007) | 1.19 in (1999) |
| May 19 | 88.0°F (1963) | 28.9°F (2009) | 1.10 in (2025) |
| May 20 | 88.0°F (1963) | 37.9°F (1975) | 1.19 in (1960) |
| May 21 | 91.0°F (1963) | 37.0°F (2007) | 0.94 in (1972) |
| May 22 | 88.0°F (1988) | 35.1°F (1964) | 0.92 in (2024) |
| May 23 | 93.9°F (2001) | 32.0°F (2007) | 1.50 in (2013) |
| May 24 | 91.9°F (1999) | 35.1°F (1964) | 0.77 in (2013) |
| May 25 | 93.9°F (1992) | 37.9°F (1967) | 1.15 in (2021) |
| May 26 | 87.1°F (1966) | 36.0°F (1998) | 0.46 in (1960) |
| May 27 | 90.0°F (2005) | 37.0°F (1998) | 0.54 in (1980) |
| May 28 | 89.1°F (1986) | 33.1°F (1998) | 0.48 in (1948) |
| May 29 | 91.0°F (1972) | 34.0°F (2007) | 0.95 in (1985) |
| May 30 | 90.0°F (1995) | 37.0°F (1952) | 0.70 in (1969) |
| May 31 | 98.1°F (1983) | 39.9°F (1950) | 0.98 in (1993) |