May weather in Harrington, WA
The average temperature in Harrington in May is 54.2°F (39.5°F–68.9°F). Average precipitation: 1.13 inches.
May is a spring month in Harrington, and is warmer than the annual average of 47.2°F. Daily temperatures swing about 29.4°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 14h 54m. For travel, May is a comfortable month to visit.
Avg High
68.9°F
Avg Low
39.5°F
Precipitation
1.13 in
Daylight
14h 54m
May records in Harrington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.0°F (1998) | 17.1°F (2008) | 0.23 in (1984) |
| May 2 | 80.1°F (1966) | 19.0°F (2013) | 0.29 in (2000) |
| May 3 | 82.9°F (1966) | 23.0°F (1981) | 0.66 in (1993) |
| May 4 | 84.0°F (1966) | 19.9°F (1982) | 0.49 in (1993) |
| May 5 | 87.1°F (1966) | 19.9°F (1982) | 0.27 in (2016) |
| May 6 | 87.1°F (1992) | 21.0°F (2001) | 0.40 in (2009) |
| May 7 | 88.0°F (1987) | 23.0°F (2003) | 0.51 in (1963) |
| May 8 | 88.0°F (1987) | 17.1°F (1996) | 0.49 in (1972) |
| May 9 | 88.0°F (2013) | 21.9°F (1999) | 0.66 in (1972) |
| May 10 | 88.0°F (2013) | 21.0°F (1999) | 0.91 in (2005) |
| May 11 | 88.0°F (1993) | 17.1°F (2011) | 0.78 in (1975) |
| May 12 | 91.9°F (1993) | 19.0°F (1985) | 0.53 in (1991) |
| May 13 | 82.9°F (1973) | 24.1°F (2006) | 0.33 in (2015) |
| May 14 | 88.0°F (1973) | 21.0°F (1964) | 0.43 in (2009) |
| May 15 | 90.0°F (1973) | 27.0°F (1964) | 0.70 in (1980) |
| May 16 | 89.1°F (2006) | 27.0°F (1974) | 0.68 in (2011) |
| May 17 | 90.0°F (2006) | 21.9°F (1966) | 0.66 in (1998) |
| May 18 | 89.1°F (2006) | 23.0°F (1976) | 0.39 in (1998) |
| May 19 | 87.1°F (2006) | 23.0°F (1987) | 0.28 in (1971) |
| May 20 | 80.1°F (1963) | 24.1°F (1989) | 0.89 in (2020) |
| May 21 | 82.0°F (1967) | 24.1°F (1973) | 0.85 in (2007) |
| May 22 | 87.1°F (1988) | 24.1°F (2010) | 0.60 in (1996) |
| May 23 | 90.0°F (2001) | 21.9°F (1964) | 0.57 in (2018) |
| May 24 | 93.9°F (2003) | 27.0°F (2010) | 0.71 in (1990) |
| May 25 | 87.1°F (1992) | 27.0°F (1964) | 0.54 in (1981) |
| May 26 | 87.1°F (1986) | 26.1°F (1999) | 0.52 in (2011) |
| May 27 | 84.9°F (1983) | 27.0°F (1982) | 0.63 in (2010) |
| May 28 | 90.0°F (1983) | 28.9°F (1979) | 0.91 in (1988) |
| May 29 | 91.9°F (1986) | 27.0°F (1979) | 0.56 in (1997) |
| May 30 | 95.0°F (1986) | 28.0°F (1979) | 0.63 in (2020) |
| May 31 | 93.9°F (1986) | 28.9°F (1965) | 0.79 in (1997) |