April weather in Superior, WI
The average temperature in Superior in April is 38.9°F (31.8°F–46.0°F). Average precipitation: 2.64 inches. Average snowfall is 1.7 inches.
April is a spring month in Superior, and is cooler than the annual average of 41.4°F. Daily temperatures swing about 14.2°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 13h 21m. For travel, April is cool.
Avg High
46.0°F
Avg Low
31.8°F
Precipitation
2.64 in
Snow
1.7 in
April records in Superior
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| April 1 | 64.0°F (1955) | 3.9°F (1975) | 0.67 in (1965) |
| April 2 | 63.0°F (2015) | 6.1°F (1954) | 0.59 in (1982) |
| April 3 | 66.0°F (2021) | -2.0°F (1954) | 1.37 in (1940) |
| April 4 | 73.0°F (1929) | 0.0°F (1995) | 0.95 in (1928) |
| April 5 | 82.0°F (1991) | 9.0°F (1920) | 1.20 in (1927) |
| April 6 | 75.9°F (1912) | 5.0°F (1979) | 2.00 in (1947) |
| April 7 | 63.0°F (1931) | 5.0°F (1936) | 1.57 in (2001) |
| April 8 | 72.0°F (1955) | 8.1°F (1972) | 0.76 in (2024) |
| April 9 | 80.1°F (1987) | 12.9°F (1928) | 0.60 in (1978) |
| April 10 | 81.0°F (1955) | 14.0°F (1956) | 1.37 in (2002) |
| April 11 | 81.0°F (1968) | 9.0°F (1940) | 1.20 in (2001) |
| April 12 | 79.0°F (1968) | 10.9°F (1950) | 0.75 in (1995) |
| April 13 | 72.0°F (1938) | 12.9°F (1950) | 1.06 in (1960) |
| April 14 | 84.9°F (2003) | 5.0°F (1986) | 1.09 in (1991) |
| April 15 | 80.1°F (1913) | 12.9°F (1935) | 3.60 in (1961) |
| April 16 | 81.0°F (1958) | 12.9°F (1962) | 0.82 in (1938) |
| April 17 | 84.9°F (1987) | 14.0°F (1983) | 1.01 in (1938) |
| April 18 | 81.0°F (1915) | 12.0°F (1983) | 1.04 in (2017) |
| April 19 | 80.1°F (1952) | 7.0°F (1986) | 1.65 in (1948) |
| April 20 | 81.0°F (1987) | 17.1°F (1962) | 1.78 in (1916) |
| April 21 | 77.0°F (1923) | 16.0°F (1978) | 1.80 in (1937) |
| April 22 | 84.0°F (1980) | 12.9°F (1986) | 1.79 in (2001) |
| April 23 | 78.1°F (1998) | 12.0°F (1996) | 1.91 in (1960) |
| April 24 | 82.0°F (1942) | 18.0°F (1918) | 1.63 in (2016) |
| April 25 | 80.1°F (1957) | 14.0°F (1967) | 1.11 in (2016) |
| April 26 | 82.9°F (1952) | 17.1°F (1958) | 2.82 in (1994) |
| April 27 | 90.0°F (1952) | 18.0°F (1958) | 1.44 in (1986) |
| April 28 | 91.9°F (1952) | 19.9°F (1965) | 1.58 in (1938) |
| April 29 | 87.1°F (1965) | 14.0°F (1958) | 1.46 in (1991) |
| April 30 | 87.1°F (1957) | 18.0°F (1956) | 1.19 in (1954) |