May weather in Ritzville, WA
The average temperature in Ritzville in May is 55.2°F (41.3°F–69.1°F). Average precipitation: 1.19 inches.
May is a spring month in Ritzville, and is warmer than the annual average of 48.7°F. Daily temperatures swing about 27.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 14h 52m. For travel, May is a comfortable month to visit.
Avg High
69.1°F
Avg Low
41.3°F
Precipitation
1.19 in
Daylight
14h 52m
May records in Ritzville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (1957) | 21.0°F (2013) | 0.48 in (2001) |
| May 2 | 86.0°F (1998) | 23.0°F (2013) | 0.37 in (1950) |
| May 3 | 87.1°F (1918) | 25.0°F (1928) | 0.25 in (1927) |
| May 4 | 87.1°F (1937) | 23.0°F (1982) | 0.52 in (1993) |
| May 5 | 90.0°F (1966) | 24.1°F (1959) | 0.37 in (2023) |
| May 6 | 93.0°F (1966) | 25.0°F (1965) | 0.40 in (1916) |
| May 7 | 91.0°F (1987) | 24.1°F (1930) | 0.57 in (1925) |
| May 8 | 93.9°F (1987) | 27.0°F (1996) | 0.56 in (1991) |
| May 9 | 93.0°F (1987) | 26.1°F (1955) | 0.63 in (1956) |
| May 10 | 93.9°F (1924) | 27.0°F (1922) | 1.62 in (2005) |
| May 11 | 93.9°F (1924) | 25.0°F (1959) | 0.69 in (1967) |
| May 12 | 95.0°F (1949) | 21.9°F (1985) | 0.51 in (1941) |
| May 13 | 95.0°F (1949) | 27.0°F (1956) | 0.94 in (1917) |
| May 14 | 93.9°F (1931) | 25.0°F (1964) | 0.53 in (2009) |
| May 15 | 95.0°F (1939) | 27.0°F (1932) | 0.44 in (1981) |
| May 16 | 91.9°F (1973) | -40.0°F (1954) | 0.60 in (1918) |
| May 17 | 93.0°F (2006) | 25.0°F (1966) | 0.66 in (1941) |
| May 18 | 95.0°F (2006) | 28.9°F (1927) | 0.30 in (1933) |
| May 19 | 95.0°F (2006) | 28.0°F (1987) | 0.73 in (2010) |
| May 20 | 89.1°F (1928) | 28.0°F (1927) | 0.74 in (1912) |
| May 21 | 95.0°F (1928) | 28.9°F (1973) | 1.13 in (2020) |
| May 22 | 91.0°F (1929) | 26.1°F (1920) | 0.72 in (1996) |
| May 23 | 93.0°F (1958) | 28.0°F (1964) | 0.47 in (1984) |
| May 24 | 95.0°F (2001) | 30.0°F (1920) | 0.58 in (1911) |
| May 25 | 98.1°F (1928) | 27.0°F (1932) | 0.53 in (1955) |
| May 26 | 95.0°F (1947) | 28.0°F (1940) | 0.70 in (2011) |
| May 27 | 99.0°F (1936) | 28.0°F (1921) | 0.78 in (1909) |
| May 28 | 95.0°F (1934) | 30.0°F (1920) | 1.07 in (2010) |
| May 29 | 98.1°F (1934) | 24.1°F (1951) | 0.81 in (1988) |
| May 30 | 99.0°F (1983) | 30.9°F (1919) | 0.32 in (1930) |
| May 31 | 96.1°F (1931) | 28.9°F (1920) | 0.86 in (2020) |