April weather in Sumas, WA
The average temperature in Sumas in April is 49.2°F (39.2°F–59.1°F). Average precipitation: 3.97 inches.
April is a spring month in Sumas, and is cooler than the annual average of 50.3°F. Daily temperatures swing about 19.9°F between overnight low and afternoon high. Expect about 16 days with precipitation. Daylight averages about 13h 28m. For travel, April is a comfortable month to visit.
Avg High
59.1°F
Avg Low
39.2°F
Precipitation
3.97 in
Snow
0.1 in
April records in Sumas
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 75.9°F (1987) | 21.9°F (1975) | 1.79 in (1959) |
| April 2 | 75.9°F (1987) | 24.1°F (1936) | 1.11 in (1969) |
| April 3 | 73.0°F (2004) | 25.0°F (1936) | 1.00 in (1993) |
| April 4 | 75.0°F (1905) | 25.0°F (1936) | 1.90 in (1919) |
| April 5 | 73.0°F (1906) | 21.0°F (1911) | 1.60 in (1910) |
| April 6 | 73.9°F (1960) | 21.9°F (1911) | 1.42 in (1962) |
| April 7 | 79.0°F (1977) | 24.1°F (1909) | 1.05 in (2013) |
| April 8 | 73.9°F (2016) | 24.1°F (1952) | 0.83 in (1994) |
| April 9 | 78.1°F (1904) | 26.1°F (1975) | 1.33 in (1955) |
| April 10 | 75.9°F (1904) | 25.0°F (1903) | 0.93 in (1919) |
| April 11 | 81.0°F (1904) | 25.0°F (1903) | 1.21 in (1966) |
| April 12 | 81.0°F (1904) | 23.0°F (1911) | 1.21 in (2009) |
| April 13 | 77.0°F (1943) | 21.9°F (1911) | 1.02 in (2001) |
| April 14 | 80.1°F (1926) | 26.1°F (1908) | 1.25 in (1914) |
| April 15 | 79.0°F (1923) | 12.9°F (1913) | 1.02 in (1938) |
| April 16 | 81.0°F (1947) | 27.0°F (1909) | 1.24 in (2004) |
| April 17 | 81.0°F (1939) | 25.0°F (1909) | 1.52 in (1919) |
| April 18 | 82.9°F (2016) | 26.1°F (1909) | 1.02 in (2019) |
| April 19 | 82.9°F (1934) | 25.0°F (1909) | 1.21 in (1932) |
| April 20 | 82.9°F (1934) | 26.1°F (1961) | 1.21 in (1921) |
| April 21 | 75.9°F (1934) | 23.0°F (1909) | 1.33 in (1972) |
| April 22 | 86.0°F (1934) | 26.1°F (1909) | 1.15 in (1981) |
| April 23 | 84.9°F (1910) | 21.0°F (1954) | 1.79 in (1996) |
| April 24 | 86.0°F (1905) | 27.0°F (1924) | 1.53 in (1972) |
| April 25 | 84.0°F (1910) | 27.0°F (1907) | 1.13 in (2024) |
| April 26 | 84.9°F (1941) | 25.0°F (1911) | 0.58 in (1952) |
| April 27 | 84.9°F (1987) | 24.1°F (1911) | 1.23 in (1985) |
| April 28 | 82.0°F (1926) | 25.0°F (1907) | 1.16 in (1951) |
| April 29 | 80.1°F (1906) | 21.9°F (1907) | 1.23 in (1959) |
| April 30 | 84.9°F (1998) | 25.0°F (1907) | 1.46 in (1928) |