May weather in Rosalia, WA
The average temperature in Rosalia in May is 54.6°F (41.9°F–67.2°F). Average precipitation: 1.66 inches.
May is a spring month in Rosalia, and is warmer than the annual average of 48.1°F. Daily temperatures swing about 25.3°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 53m. For travel, May is a comfortable month to visit.
Avg High
67.2°F
Avg Low
41.9°F
Precipitation
1.66 in
Daylight
14h 53m
May records in Rosalia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.0°F (1981) | 23.0°F (1954) | 0.53 in (1923) |
| May 2 | 84.9°F (1998) | 25.0°F (2006) | 0.68 in (1912) |
| May 3 | 84.9°F (1937) | 27.0°F (1974) | 0.80 in (1893) |
| May 4 | 84.9°F (2023) | 27.0°F (1917) | 0.99 in (1993) |
| May 5 | 84.0°F (1897) | 25.0°F (2010) | 0.46 in (1967) |
| May 6 | 88.0°F (1966) | 24.1°F (1965) | 0.59 in (2024) |
| May 7 | 89.1°F (1992) | 27.0°F (1916) | 0.50 in (1960) |
| May 8 | 88.0°F (1987) | 21.9°F (2002) | 0.66 in (1972) |
| May 9 | 87.1°F (1906) | 25.0°F (2002) | 0.96 in (1972) |
| May 10 | 90.0°F (1924) | 24.1°F (1999) | 0.58 in (1942) |
| May 11 | 88.0°F (1924) | 27.0°F (1916) | 0.97 in (1967) |
| May 12 | 89.1°F (1949) | 24.1°F (1916) | 0.83 in (1957) |
| May 13 | 95.0°F (1993) | 25.0°F (1916) | 1.46 in (1925) |
| May 14 | 93.0°F (1931) | 26.1°F (1916) | 0.87 in (1894) |
| May 15 | 93.9°F (1939) | 28.9°F (1905) | 0.78 in (1959) |
| May 16 | 93.0°F (2006) | 26.1°F (1977) | 1.14 in (1900) |
| May 17 | 91.9°F (2006) | 27.0°F (1917) | 0.70 in (1893) |
| May 18 | 95.0°F (2006) | 28.9°F (2011) | 1.17 in (1915) |
| May 19 | 91.9°F (2006) | 30.0°F (1987) | 0.71 in (1957) |
| May 20 | 87.1°F (2006) | 27.0°F (1987) | 0.84 in (1957) |
| May 21 | 90.0°F (1928) | 30.0°F (1973) | 1.33 in (1994) |
| May 22 | 89.1°F (2023) | 30.0°F (1916) | 1.45 in (2004) |
| May 23 | 89.1°F (1934) | 27.0°F (1916) | 1.21 in (1948) |
| May 24 | 93.0°F (2001) | 26.1°F (2010) | 0.85 in (1948) |
| May 25 | 96.1°F (1928) | 30.0°F (1932) | 0.82 in (1953) |
| May 26 | 98.1°F (1936) | 30.0°F (1932) | 1.38 in (1980) |
| May 27 | 91.0°F (1936) | 30.9°F (1918) | 1.07 in (1909) |
| May 28 | 93.0°F (1934) | 30.0°F (1979) | 0.67 in (1898) |
| May 29 | 98.1°F (1934) | 28.0°F (1951) | 0.84 in (1988) |
| May 30 | 93.0°F (1986) | 27.0°F (1978) | 0.49 in (1970) |
| May 31 | 93.9°F (1986) | 30.0°F (1895) | 2.14 in (1996) |