April weather in Rock Island, WA
The average temperature in Rock Island in April is 51.1°F (40.4°F–61.8°F). Average precipitation: 0.57 inches.
April is a spring month in Rock Island, and is cooler than the annual average of 51.2°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 23m. For travel, April is a comfortable month to visit.
Avg High
61.8°F
Avg Low
40.4°F
Precipitation
0.57 in
Daylight
13h 23m
April records in Rock Island
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 80.1°F (1992) | 26.1°F (2008) | 0.49 in (2006) |
| April 2 | 78.1°F (1992) | 27.1°F (2020) | 0.38 in (2010) |
| April 3 | 73.0°F (1977) | 27.0°F (1975) | 0.36 in (1998) |
| April 4 | 77.0°F (1977) | 28.9°F (1988) | 0.29 in (1984) |
| April 5 | 78.1°F (1977) | 28.9°F (1997) | 0.32 in (2019) |
| April 6 | 79.0°F (1977) | 30.0°F (1991) | 0.30 in (2015) |
| April 7 | 82.9°F (1977) | 28.0°F (1973) | 0.45 in (2013) |
| April 8 | 81.0°F (2016) | 28.0°F (1970) | 0.21 in (2019) |
| April 9 | 78.1°F (2016) | 28.0°F (1972) | 0.37 in (1971) |
| April 10 | 77.0°F (1968) | 28.9°F (2010) | 0.43 in (2001) |
| April 11 | 75.0°F (1988) | 28.9°F (1997) | 0.15 in (2018) |
| April 12 | 79.0°F (2000) | 27.0°F (1998) | 0.59 in (2017) |
| April 13 | 79.0°F (1988) | 28.0°F (1981) | 0.45 in (2017) |
| April 14 | 82.9°F (1988) | 27.1°F (2022) | 0.68 in (2022) |
| April 15 | 77.0°F (1988) | 23.2°F (2022) | 0.48 in (1963) |
| April 16 | 75.9°F (1990) | 30.0°F (2006) | 0.33 in (1978) |
| April 17 | 84.9°F (1994) | 30.9°F (1964) | 0.35 in (1988) |
| April 18 | 82.9°F (1994) | 30.9°F (1964) | 1.43 in (1967) |
| April 19 | 82.0°F (2016) | 28.9°F (2008) | 0.34 in (1970) |
| April 20 | 86.0°F (2016) | 27.0°F (1961) | 0.28 in (1967) |
| April 21 | 84.0°F (2009) | 25.0°F (2008) | 0.21 in (1988) |
| April 22 | 82.0°F (2012) | 30.0°F (2008) | 0.22 in (1960) |
| April 23 | 87.1°F (1977) | 30.0°F (1972) | 0.84 in (1960) |
| April 24 | 93.0°F (1977) | 28.0°F (1985) | 0.43 in (2003) |
| April 25 | 82.0°F (1977) | 32.0°F (2008) | 0.65 in (1960) |
| April 26 | 82.0°F (1992) | 32.0°F (1969) | 0.38 in (1989) |
| April 27 | 86.0°F (1987) | 32.0°F (1970) | 0.46 in (1962) |
| April 28 | 82.9°F (1987) | 32.0°F (1986) | 0.27 in (2018) |
| April 29 | 84.0°F (1998) | 33.1°F (1962) | 0.67 in (1967) |
| April 30 | 88.0°F (1998) | 32.0°F (1972) | 0.23 in (1987) |