April weather in Mattawa, WA
The average temperature in Mattawa in April is 55.1°F (44.8°F–65.4°F). Average precipitation: 0.55 inches.
April is a spring month in Mattawa, and is cooler than the annual average of 56°F. Daily temperatures swing about 20.6°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 21m. For travel, April is a comfortable month to visit.
Avg High
65.4°F
Avg Low
44.8°F
Precipitation
0.55 in
Daylight
13h 21m
April records in Mattawa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 79.0°F (1990) | 26.1°F (1982) | 0.24 in (2006) |
| April 2 | 82.0°F (1992) | 30.0°F (1976) | 0.27 in (1958) |
| April 3 | 81.0°F (2024) | 26.1°F (1975) | 0.18 in (1958) |
| April 4 | 80.1°F (1960) | 25.0°F (1964) | 0.08 in (2013) |
| April 5 | 78.1°F (1977) | 26.1°F (1975) | 0.15 in (1963) |
| April 6 | 82.9°F (1977) | 28.9°F (1975) | 0.30 in (2019) |
| April 7 | 82.0°F (1977) | 30.0°F (2012) | 0.27 in (2018) |
| April 8 | 81.0°F (1996) | 27.0°F (1992) | 0.48 in (1994) |
| April 9 | 82.0°F (1985) | 32.0°F (1959) | 0.39 in (1992) |
| April 10 | 82.0°F (1968) | 28.9°F (1981) | 0.25 in (2023) |
| April 11 | 80.1°F (1988) | 30.9°F (1984) | 0.39 in (2001) |
| April 12 | 80.1°F (1988) | 28.9°F (1997) | 0.33 in (1995) |
| April 13 | 82.0°F (1988) | 30.0°F (1966) | 0.42 in (1992) |
| April 14 | 84.9°F (1962) | 32.0°F (2001) | 0.21 in (1975) |
| April 15 | 84.0°F (1989) | 28.0°F (1995) | 0.24 in (1991) |
| April 16 | 80.1°F (1990) | 30.9°F (1982) | 0.13 in (1967) |
| April 17 | 88.0°F (1994) | 27.0°F (1968) | 0.44 in (1988) |
| April 18 | 86.0°F (1962) | 30.9°F (1968) | 0.14 in (1963) |
| April 19 | 82.9°F (2016) | 28.9°F (1972) | 0.23 in (1970) |
| April 20 | 84.0°F (2009) | 28.9°F (1985) | 0.46 in (1963) |
| April 21 | 88.0°F (2009) | 30.0°F (1985) | 0.22 in (2010) |
| April 22 | 84.0°F (2012) | 36.0°F (1967) | 0.44 in (1988) |
| April 23 | 91.0°F (2012) | 35.1°F (1976) | 0.85 in (1960) |
| April 24 | 93.9°F (1977) | 33.1°F (1985) | 0.54 in (1974) |
| April 25 | 87.1°F (1977) | 33.1°F (1976) | 0.75 in (1989) |
| April 26 | 84.9°F (2001) | 33.1°F (1996) | 0.36 in (1960) |
| April 27 | 89.1°F (1987) | 33.1°F (1970) | 0.55 in (1962) |
| April 28 | 88.0°F (1987) | 30.0°F (1967) | 1.07 in (1995) |
| April 29 | 87.1°F (1968) | 33.1°F (1972) | 0.38 in (1961) |
| April 30 | 90.0°F (1957) | 28.9°F (1972) | 0.10 in (1984) |