April weather in Sammamish, WA
The average temperature in Sammamish in April is 49.5°F (40.1°F–58.9°F). Average precipitation: 5.29 inches.
April is a spring month in Sammamish, and is cooler than the annual average of 51.7°F. Daily temperatures swing about 18.8°F between overnight low and afternoon high. Expect about 18 days with precipitation. Daylight averages about 13h 24m. For travel, April is a wet month.
Avg High
58.9°F
Avg Low
40.1°F
Precipitation
5.29 in
Daylight
13h 24m
April records in Sammamish
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 82.0°F (1900) | 26.1°F (1936) | 1.64 in (1901) |
| April 2 | 77.0°F (1944) | 26.1°F (1953) | 1.69 in (1915) |
| April 3 | 81.0°F (1992) | 24.1°F (1935) | 1.20 in (2009) |
| April 4 | 78.1°F (1905) | 26.1°F (1933) | 2.03 in (1991) |
| April 5 | 75.0°F (1966) | 26.1°F (1939) | 2.01 in (1991) |
| April 6 | 73.9°F (1977) | 27.0°F (1911) | 0.88 in (1900) |
| April 7 | 79.0°F (2007) | 25.0°F (1935) | 1.20 in (1994) |
| April 8 | 75.9°F (1996) | 24.1°F (1952) | 1.27 in (1945) |
| April 9 | 78.1°F (1904) | 26.1°F (1935) | 1.50 in (1970) |
| April 10 | 79.0°F (1904) | 27.0°F (1935) | 0.90 in (2002) |
| April 11 | 84.9°F (1904) | 28.9°F (1930) | 3.60 in (1899) |
| April 12 | 84.0°F (2004) | 28.9°F (1906) | 1.22 in (1945) |
| April 13 | 82.9°F (1904) | 28.0°F (1945) | 1.45 in (1937) |
| April 14 | 84.9°F (1926) | 26.1°F (1911) | 1.92 in (1937) |
| April 15 | 80.1°F (1923) | 28.9°F (1901) | 1.92 in (1941) |
| April 16 | 82.9°F (1947) | 28.9°F (1939) | 1.23 in (1919) |
| April 17 | 81.0°F (1999) | 28.0°F (1902) | 1.33 in (2018) |
| April 18 | 81.0°F (1934) | 24.1°F (1927) | 1.31 in (1985) |
| April 19 | 90.0°F (1934) | 27.0°F (1931) | 1.43 in (1965) |
| April 20 | 84.9°F (1906) | 25.0°F (1951) | 1.87 in (1997) |
| April 21 | 82.9°F (1934) | 24.1°F (1951) | 1.21 in (2010) |
| April 22 | 82.9°F (1977) | 30.0°F (1902) | 1.05 in (1921) |
| April 23 | 86.0°F (1910) | 28.0°F (1951) | 1.74 in (1940) |
| April 24 | 86.0°F (1905) | 28.0°F (1902) | 1.78 in (1996) |
| April 25 | 80.1°F (1923) | 28.0°F (1955) | 0.78 in (1993) |
| April 26 | 86.0°F (1987) | 28.0°F (1950) | 0.80 in (1959) |
| April 27 | 84.9°F (1926) | 27.0°F (1948) | 1.56 in (1962) |
| April 28 | 86.0°F (1926) | 26.1°F (1996) | 0.94 in (1922) |
| April 29 | 82.0°F (1900) | 28.0°F (1952) | 1.06 in (2010) |
| April 30 | 82.9°F (1989) | 28.9°F (1972) | 1.25 in (1987) |