May weather in Montesano, WA
The average temperature in Montesano in May is 56.3°F (44.3°F–68.3°F). Average precipitation: 3.29 inches.
May is a spring month in Montesano, and is warmer than the annual average of 52.3°F. Daily temperatures swing about 24°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 14h 51m. For travel, May is a comfortable month to visit.
Avg High
68.3°F
Avg Low
44.3°F
Precipitation
3.29 in
Daylight
14h 51m
May records in Montesano
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (2014) | 25.0°F (1954) | 0.64 in (1984) |
| May 2 | 89.1°F (1946) | 28.0°F (2006) | 0.86 in (1949) |
| May 3 | 82.9°F (1992) | 32.0°F (1959) | 1.47 in (1975) |
| May 4 | 84.0°F (1944) | 28.9°F (1949) | 1.65 in (2014) |
| May 5 | 86.0°F (2013) | 30.0°F (1949) | 0.76 in (1963) |
| May 6 | 89.1°F (1953) | 30.0°F (1965) | 0.65 in (1979) |
| May 7 | 89.1°F (1987) | 30.0°F (2003) | 0.82 in (2022) |
| May 8 | 93.0°F (1987) | 27.0°F (2002) | 0.77 in (1973) |
| May 9 | 86.0°F (1987) | 27.0°F (2008) | 0.88 in (2014) |
| May 10 | 91.0°F (2019) | 28.0°F (2012) | 1.18 in (2005) |
| May 11 | 91.0°F (2024) | 28.9°F (2012) | 0.75 in (2017) |
| May 12 | 89.1°F (1971) | 28.0°F (1985) | 0.71 in (1970) |
| May 13 | 91.9°F (1973) | 30.0°F (1958) | 1.12 in (1986) |
| May 14 | 91.9°F (1973) | 32.0°F (1964) | 0.85 in (2001) |
| May 15 | 93.9°F (2023) | 32.0°F (1964) | 1.01 in (2022) |
| May 16 | 89.1°F (2008) | 33.1°F (2002) | 0.97 in (1965) |
| May 17 | 89.1°F (1956) | 30.0°F (2003) | 2.25 in (1941) |
| May 18 | 95.0°F (1956) | 27.0°F (2003) | 0.88 in (1996) |
| May 19 | 90.0°F (1961) | 30.0°F (2003) | 0.80 in (1953) |
| May 20 | 93.0°F (1963) | 33.1°F (1955) | 0.87 in (1993) |
| May 21 | 89.1°F (1988) | 33.1°F (1973) | 0.44 in (1953) |
| May 22 | 93.0°F (2001) | 32.0°F (1960) | 1.01 in (2006) |
| May 23 | 91.0°F (2017) | 32.0°F (1950) | 0.54 in (1973) |
| May 24 | 91.9°F (1992) | 30.9°F (1950) | 0.82 in (1973) |
| May 25 | 90.0°F (1947) | 32.0°F (1940) | 0.53 in (2010) |
| May 26 | 91.0°F (1947) | 30.9°F (1940) | 0.56 in (1954) |
| May 27 | 93.9°F (2005) | 32.0°F (1955) | 0.88 in (2004) |
| May 28 | 99.0°F (1983) | 33.1°F (1966) | 1.15 in (1997) |
| May 29 | 90.0°F (2018) | 34.0°F (1951) | 1.40 in (1969) |
| May 30 | 89.1°F (1957) | 33.1°F (1941) | 1.32 in (1987) |
| May 31 | 93.0°F (1956) | 32.0°F (1955) | 0.81 in (2010) |