April weather in Prosser, WA
The average temperature in Prosser in April is 52.2°F (39.9°F–64.6°F). Average precipitation: 0.74 inches.
April is a spring month in Prosser, and is cooler than the annual average of 53°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 13h 20m. For travel, April is a comfortable month to visit.
Avg High
64.6°F
Avg Low
39.9°F
Precipitation
0.74 in
Daylight
13h 20m
April records in Prosser
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 75.0°F (1930) | 19.0°F (1936) | 0.20 in (1993) |
| April 2 | 80.1°F (2000) | 14.0°F (1935) | 0.44 in (1958) |
| April 3 | 80.1°F (1944) | 18.0°F (1935) | 0.28 in (2010) |
| April 4 | 77.0°F (2000) | 21.9°F (1936) | 0.35 in (1935) |
| April 5 | 79.0°F (1960) | 12.0°F (1930) | 0.18 in (1974) |
| April 6 | 79.0°F (1930) | 23.0°F (1939) | 0.28 in (1969) |
| April 7 | 82.9°F (1934) | 24.1°F (1946) | 0.27 in (2025) |
| April 8 | 82.9°F (1977) | 23.0°F (1929) | 0.46 in (2018) |
| April 9 | 82.9°F (2016) | 21.9°F (1928) | 0.41 in (2006) |
| April 10 | 82.9°F (2016) | 23.0°F (1933) | 0.19 in (2001) |
| April 11 | 82.9°F (1968) | 26.1°F (1948) | 0.57 in (1982) |
| April 12 | 87.1°F (1936) | 25.0°F (1929) | 0.29 in (1961) |
| April 13 | 87.1°F (1947) | 19.0°F (2001) | 0.77 in (1992) |
| April 14 | 86.0°F (1943) | 24.1°F (2001) | 0.70 in (2003) |
| April 15 | 86.0°F (1926) | 21.9°F (1955) | 0.26 in (1975) |
| April 16 | 87.1°F (1936) | 23.0°F (1960) | 0.27 in (2018) |
| April 17 | 87.1°F (1936) | 25.0°F (1944) | 0.32 in (1978) |
| April 18 | 84.0°F (1926) | 24.1°F (1972) | 0.55 in (1988) |
| April 19 | 87.1°F (1952) | 25.0°F (1927) | 0.35 in (1970) |
| April 20 | 88.0°F (1934) | 18.0°F (1927) | 0.30 in (1928) |
| April 21 | 90.0°F (1934) | 24.1°F (1985) | 0.45 in (2022) |
| April 22 | 90.0°F (1934) | 21.0°F (1926) | 0.31 in (1955) |
| April 23 | 80.1°F (1962) | 26.1°F (1942) | 0.57 in (1960) |
| April 24 | 86.0°F (1981) | 24.1°F (1950) | 0.89 in (1974) |
| April 25 | 91.0°F (1977) | 28.0°F (1976) | 0.38 in (1958) |
| April 26 | 87.1°F (1926) | 24.1°F (1948) | 0.50 in (1955) |
| April 27 | 88.0°F (1926) | 19.9°F (2011) | 0.33 in (1962) |
| April 28 | 90.0°F (1926) | 28.0°F (1945) | 0.37 in (1982) |
| April 29 | 90.0°F (1926) | 19.0°F (2001) | 0.45 in (1943) |
| April 30 | 88.0°F (1968) | 28.0°F (1949) | 0.77 in (1992) |