May weather in Royal City, WA
The average temperature in Royal City in May is 61.7°F (46.3°F–77.0°F). Average precipitation: inches.
May is a spring month in Royal City, and is warmer than the annual average of 53.4°F. Daily temperatures swing about 30.7°F between overnight low and afternoon high. Daylight averages about 14h 51m. For travel, May is a comfortable month to visit.
Avg High
77.0°F
Avg Low
46.3°F
Precipitation
in
Daylight
14h 51m
May records in Royal City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.9°F (1998) | 24.1°F (1954) | 0.25 in (1979) |
| May 2 | 86.0°F (1976) | 28.0°F (2006) | 0.50 in (1984) |
| May 3 | 90.0°F (1966) | 30.0°F (1988) | 0.38 in (1975) |
| May 4 | 93.9°F (1966) | 30.0°F (1959) | 0.21 in (2005) |
| May 5 | 99.0°F (1966) | 30.0°F (1996) | 0.23 in (1963) |
| May 6 | 91.9°F (1990) | 30.0°F (1959) | 0.18 in (1980) |
| May 7 | 96.1°F (1992) | 32.0°F (1984) | 0.40 in (1960) |
| May 8 | 96.1°F (1987) | 28.0°F (2002) | 0.39 in (1962) |
| May 9 | 96.1°F (1987) | 30.0°F (2006) | 0.40 in (1961) |
| May 10 | 93.9°F (1987) | 30.9°F (2006) | 0.35 in (1961) |
| May 11 | 93.9°F (1993) | 30.0°F (1999) | 0.23 in (1951) |
| May 12 | 98.1°F (1993) | 32.0°F (1985) | 0.29 in (2004) |
| May 13 | 91.9°F (1997) | 30.9°F (2006) | 0.20 in (1952) |
| May 14 | 91.0°F (1972) | 32.0°F (1955) | 0.15 in (1985) |
| May 15 | 98.1°F (1973) | 35.1°F (1998) | 0.30 in (1959) |
| May 16 | 98.1°F (1973) | 30.0°F (1974) | 0.15 in (1955) |
| May 17 | 99.0°F (2006) | 37.0°F (1966) | 0.32 in (1991) |
| May 18 | 99.0°F (2006) | 34.0°F (1965) | 0.18 in (1991) |
| May 19 | 98.1°F (1954) | 30.0°F (2003) | 0.76 in (1981) |
| May 20 | 93.9°F (1958) | 37.0°F (1982) | 0.37 in (2004) |
| May 21 | 97.0°F (1958) | 35.1°F (1953) | 1.33 in (1972) |
| May 22 | 100.0°F (1958) | 32.0°F (1960) | 0.20 in (2006) |
| May 23 | 100.0°F (2001) | 34.0°F (1964) | 0.27 in (1962) |
| May 24 | 97.0°F (1999) | 37.0°F (1978) | 0.42 in (1962) |
| May 25 | 99.0°F (1958) | 37.0°F (1984) | 0.35 in (1981) |
| May 26 | 102.9°F (1958) | 36.0°F (1984) | 0.14 in (1971) |
| May 27 | 97.0°F (1958) | 39.0°F (1999) | 0.63 in (1980) |
| May 28 | 97.0°F (2005) | 35.1°F (1955) | 0.21 in (1990) |
| May 29 | 98.1°F (1983) | 36.0°F (1951) | 0.15 in (1996) |
| May 30 | 100.9°F (1983) | 39.0°F (1976) | 0.03 in (1980) |
| May 31 | 105.1°F (1986) | 39.9°F (1976) | 0.55 in (1997) |