May weather in Oak Harbor, WA
The average temperature in Oak Harbor in May is 55.0°F (48.0°F–62.0°F). Average precipitation: 1.69 inches.
May is a spring month in Oak Harbor, and is warmer than the annual average of 52.1°F. Daily temperatures swing about 14°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 60m. For travel, May is a comfortable month to visit.
Avg High
62.0°F
Avg Low
48.0°F
Precipitation
1.69 in
Daylight
14h 60m
May records in Oak Harbor
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 70.0°F (2014) | 32.0°F (1954) | 0.37 in (1963) |
| May 2 | 87.1°F (2016) | 34.0°F (1997) | 0.54 in (1995) |
| May 3 | 66.9°F (1987) | 0.1°F (2008) | 0.42 in (2020) |
| May 4 | 73.9°F (1953) | 37.0°F (1949) | 0.48 in (1961) |
| May 5 | 75.9°F (1953) | 34.0°F (2010) | 0.53 in (1948) |
| May 6 | 75.0°F (1953) | 33.1°F (2002) | 1.24 in (1966) |
| May 7 | 73.0°F (1984) | 32.0°F (2002) | 0.27 in (1983) |
| May 8 | 71.1°F (1969) | 36.0°F (2002) | 0.50 in (1947) |
| May 9 | 80.1°F (1975) | 35.1°F (1985) | 0.51 in (2014) |
| May 10 | 75.9°F (2020) | 37.9°F (1983) | 0.63 in (1975) |
| May 11 | 72.0°F (1988) | 35.1°F (1964) | 0.92 in (1951) |
| May 12 | 77.0°F (1993) | 37.0°F (2012) | 0.75 in (1988) |
| May 13 | 82.0°F (1959) | 33.1°F (1997) | 0.71 in (1990) |
| May 14 | 75.0°F (1973) | 33.1°F (1964) | 0.97 in (1983) |
| May 15 | 70.0°F (1988) | 33.1°F (2007) | 0.73 in (2011) |
| May 16 | 72.0°F (1976) | 36.0°F (1998) | 0.63 in (1988) |
| May 17 | 80.1°F (2008) | 33.1°F (1974) | 0.59 in (2020) |
| May 18 | 75.0°F (1949) | 33.1°F (1997) | 0.34 in (2009) |
| May 19 | 82.0°F (1961) | 37.0°F (2003) | 0.63 in (1986) |
| May 20 | 73.0°F (1963) | 37.9°F (1975) | 0.71 in (1964) |
| May 21 | 78.1°F (1963) | 35.1°F (1971) | 0.62 in (1945) |
| May 22 | 73.9°F (1969) | 41.0°F (1947) | 0.45 in (1996) |
| May 23 | 79.0°F (1969) | 39.9°F (1964) | 0.57 in (1996) |
| May 24 | 75.0°F (1992) | 35.1°F (2007) | 0.40 in (1954) |
| May 25 | 73.0°F (1969) | 37.0°F (1977) | 0.46 in (1998) |
| May 26 | 81.0°F (2005) | 37.9°F (1951) | 0.80 in (1959) |
| May 27 | 72.0°F (2005) | 37.9°F (1973) | 0.71 in (1948) |
| May 28 | 77.0°F (1983) | 39.9°F (1973) | 1.83 in (2010) |
| May 29 | 75.9°F (1993) | 0.1°F (2007) | 0.58 in (1948) |
| May 30 | 75.0°F (1956) | 37.9°F (1946) | 0.52 in (1955) |
| May 31 | 73.0°F (1986) | 37.9°F (1953) | 1.05 in (1990) |