May weather in Waterville, WA
The average temperature in Waterville in May is 53.9°F (40.8°F–67.0°F). Average precipitation: 1.07 inches.
May is a spring month in Waterville, and is warmer than the annual average of 45.2°F. Daily temperatures swing about 26.2°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 14h 55m. For travel, May is a comfortable month to visit.
Avg High
67.0°F
Avg Low
40.8°F
Precipitation
1.07 in
Daylight
14h 55m
May records in Waterville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.0°F (1900) | 16.0°F (1899) | 0.63 in (1984) |
| May 2 | 86.0°F (1900) | 25.0°F (1894) | 0.64 in (1950) |
| May 3 | 86.0°F (1900) | 26.1°F (1928) | 0.23 in (1975) |
| May 4 | 84.9°F (1966) | 25.0°F (1962) | 0.51 in (2005) |
| May 5 | 88.0°F (1966) | 25.0°F (2002) | 0.37 in (2017) |
| May 6 | 90.0°F (1992) | 24.1°F (1959) | 0.80 in (1897) |
| May 7 | 90.0°F (1992) | 25.0°F (1916) | 0.69 in (1925) |
| May 8 | 91.0°F (1987) | 23.0°F (2002) | 0.84 in (1911) |
| May 9 | 89.1°F (1987) | 21.9°F (1922) | 1.16 in (2005) |
| May 10 | 84.9°F (1924) | 26.1°F (1894) | 0.75 in (1942) |
| May 11 | 87.1°F (1924) | 21.9°F (1904) | 1.10 in (1967) |
| May 12 | 88.0°F (1924) | 24.1°F (1985) | 0.47 in (1951) |
| May 13 | 89.1°F (1897) | 25.0°F (1899) | 0.62 in (1943) |
| May 14 | 87.1°F (1924) | 24.1°F (1964) | 0.85 in (1906) |
| May 15 | 88.0°F (1973) | 21.0°F (1899) | 0.85 in (2011) |
| May 16 | 95.0°F (2006) | 25.0°F (1896) | 0.80 in (1919) |
| May 17 | 93.9°F (2006) | 23.0°F (1896) | 0.80 in (1991) |
| May 18 | 93.0°F (2006) | 28.0°F (1976) | 1.03 in (1981) |
| May 19 | 84.0°F (2015) | 28.0°F (2003) | 0.95 in (1981) |
| May 20 | 84.9°F (1928) | 28.9°F (1975) | 1.70 in (1893) |
| May 21 | 86.0°F (1958) | 30.0°F (1899) | 0.95 in (2016) |
| May 22 | 88.0°F (1910) | 27.0°F (1960) | 1.13 in (1962) |
| May 23 | 89.1°F (1910) | 25.0°F (1964) | 0.44 in (1948) |
| May 24 | 89.1°F (1894) | 30.0°F (1935) | 0.69 in (1945) |
| May 25 | 91.0°F (1894) | 28.0°F (1964) | 0.55 in (1953) |
| May 26 | 91.0°F (1958) | 30.0°F (1927) | 0.68 in (1998) |
| May 27 | 90.0°F (1958) | 28.9°F (1973) | 0.95 in (1906) |
| May 28 | 91.0°F (1983) | 28.0°F (1943) | 0.64 in (1948) |
| May 29 | 96.1°F (1897) | 30.9°F (1900) | 0.99 in (1948) |
| May 30 | 96.1°F (1986) | 30.9°F (1977) | 0.66 in (1998) |
| May 31 | 91.0°F (1992) | 28.9°F (1899) | 0.70 in (1990) |