May weather in Coupeville, WA
The average temperature in Coupeville in May is 54.2°F (46.6°F–61.7°F). Average precipitation: 1.73 inches.
May is a spring month in Coupeville, and is warmer than the annual average of 50.2°F. Daily temperatures swing about 15.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 59m. For travel, May is a comfortable month to visit.
Avg High
61.7°F
Avg Low
46.6°F
Precipitation
1.73 in
Daylight
14h 59m
May records in Coupeville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 75.9°F (2014) | 28.0°F (1954) | 0.72 in (1919) |
| May 2 | 84.9°F (2016) | 33.1°F (1899) | 0.66 in (1976) |
| May 3 | 81.0°F (1898) | 35.1°F (1950) | 0.46 in (1926) |
| May 4 | 79.0°F (1898) | 34.0°F (1955) | 1.14 in (1936) |
| May 5 | 75.0°F (1966) | 33.1°F (1949) | 0.66 in (1916) |
| May 6 | 75.0°F (1957) | 35.1°F (1926) | 1.60 in (1966) |
| May 7 | 73.0°F (1994) | 32.0°F (1962) | 0.63 in (1925) |
| May 8 | 78.1°F (2020) | 36.0°F (1975) | 0.46 in (1916) |
| May 9 | 80.1°F (1975) | 33.1°F (1985) | 0.68 in (2014) |
| May 10 | 82.9°F (1931) | 35.1°F (1929) | 0.42 in (1970) |
| May 11 | 79.0°F (1971) | 33.1°F (1973) | 1.09 in (1951) |
| May 12 | 86.0°F (1926) | 35.1°F (1977) | 0.58 in (2009) |
| May 13 | 80.1°F (1898) | 34.0°F (1958) | 1.09 in (1984) |
| May 14 | 82.0°F (1958) | 30.0°F (1964) | 0.78 in (1936) |
| May 15 | 81.0°F (1958) | 32.0°F (1964) | 1.43 in (1983) |
| May 16 | 75.9°F (1958) | 35.1°F (1938) | 1.15 in (1994) |
| May 17 | 82.0°F (2008) | 30.9°F (1964) | 0.53 in (1989) |
| May 18 | 84.9°F (1958) | 35.1°F (1971) | 0.53 in (2013) |
| May 19 | 82.9°F (1961) | 35.1°F (1933) | 0.45 in (2000) |
| May 20 | 84.0°F (1963) | 37.0°F (1931) | 0.73 in (1968) |
| May 21 | 84.9°F (1963) | 35.1°F (1973) | 0.80 in (1984) |
| May 22 | 82.0°F (1958) | 37.9°F (1955) | 1.05 in (1905) |
| May 23 | 81.0°F (1969) | 35.1°F (1950) | 1.14 in (1905) |
| May 24 | 80.1°F (1958) | 36.0°F (1965) | 0.50 in (1953) |
| May 25 | 82.9°F (1898) | 33.1°F (1964) | 0.96 in (1923) |
| May 26 | 84.9°F (2005) | 34.0°F (1964) | 0.82 in (2004) |
| May 27 | 84.9°F (2005) | 34.0°F (1973) | 0.74 in (1998) |
| May 28 | 81.0°F (1983) | 36.0°F (1973) | 2.45 in (1948) |
| May 29 | 82.9°F (1983) | 37.0°F (1951) | 0.65 in (1948) |
| May 30 | 82.0°F (1907) | 37.0°F (1946) | 0.60 in (1953) |
| May 31 | 79.0°F (1986) | 36.0°F (1928) | 1.23 in (1990) |