April weather in Oak Harbor, WA
The average temperature in Oak Harbor in April is 50.9°F (43.4°F–58.4°F). Average precipitation: 1.69 inches.
April is a spring month in Oak Harbor, and is cooler than the annual average of 52.1°F. Daily temperatures swing about 15°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 13h 26m. For travel, April is a comfortable month to visit.
Avg High
58.4°F
Avg Low
43.4°F
Precipitation
1.69 in
Daylight
13h 26m
April records in Oak Harbor
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 66.0°F (1985) | 28.2°F (2008) | 0.67 in (2011) |
| April 2 | 71.1°F (1992) | 29.1°F (2008) | 0.40 in (1950) |
| April 3 | 66.9°F (2016) | 29.1°F (2008) | 0.78 in (2012) |
| April 4 | 70.0°F (1966) | 25.2°F (2011) | 0.42 in (2011) |
| April 5 | 70.0°F (2025) | 30.0°F (1997) | 0.42 in (1947) |
| April 6 | 68.0°F (2005) | 30.0°F (1964) | 0.46 in (1996) |
| April 7 | 64.9°F (2014) | 31.1°F (2012) | 0.45 in (2013) |
| April 8 | 64.0°F (1959) | 30.0°F (1952) | 0.70 in (1961) |
| April 9 | 70.0°F (1959) | 31.1°F (2010) | 1.09 in (1983) |
| April 10 | 66.9°F (2025) | 30.2°F (2010) | 0.28 in (2001) |
| April 11 | 77.0°F (2004) | 32.0°F (1981) | 0.86 in (2005) |
| April 12 | 66.0°F (1980) | 28.9°F (1968) | 0.39 in (1946) |
| April 13 | 66.0°F (1963) | 30.0°F (1970) | 0.47 in (2019) |
| April 14 | 75.9°F (1984) | 32.0°F (1951) | 0.52 in (2018) |
| April 15 | 66.9°F (1992) | 32.0°F (2001) | 0.87 in (1963) |
| April 16 | 68.0°F (1990) | 32.0°F (1964) | 0.68 in (2018) |
| April 17 | 68.0°F (1952) | 30.9°F (1964) | 0.56 in (1992) |
| April 18 | 66.9°F (2010) | 28.9°F (1964) | 0.30 in (1947) |
| April 19 | 71.1°F (2010) | 30.9°F (1951) | 0.62 in (1976) |
| April 20 | 75.9°F (1993) | 28.9°F (1951) | 0.61 in (1989) |
| April 21 | 66.0°F (2017) | 28.0°F (1968) | 0.46 in (2010) |
| April 22 | 64.0°F (1994) | 32.0°F (2008) | 0.71 in (2020) |
| April 23 | 71.1°F (1981) | 30.0°F (1951) | 0.75 in (1945) |
| April 24 | 77.0°F (1992) | 34.0°F (1986) | 0.57 in (1948) |
| April 25 | 71.1°F (1992) | 33.1°F (1955) | 0.80 in (1977) |
| April 26 | 72.0°F (1997) | 33.1°F (1948) | 0.87 in (1945) |
| April 27 | 73.0°F (2015) | 30.0°F (1948) | 0.44 in (1972) |
| April 28 | 72.0°F (1976) | 35.1°F (1955) | 0.56 in (1967) |
| April 29 | 78.1°F (1976) | 33.1°F (1975) | 0.49 in (1992) |
| April 30 | 75.9°F (1976) | 30.9°F (1954) | 0.90 in (1987) |