May weather in Superior, WY
The average temperature in Superior in May is 50.8°F (38.4°F–63.2°F). Average precipitation: 1.27 inches. Average snowfall is 2.7 inches.
May is a spring month in Superior, and is warmer than the annual average of 43.7°F. Daily temperatures swing about 24.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 21m. For travel, May is a comfortable month to visit.
Avg High
63.2°F
Avg Low
38.4°F
Precipitation
1.27 in
Snow
2.7 in
May records in Superior
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 75.9°F (2023) | 14.0°F (1967) | 0.27 in (1964) |
| May 2 | 80.1°F (1985) | 18.0°F (1954) | 0.68 in (1981) |
| May 3 | 79.0°F (2000) | 19.9°F (1964) | 0.47 in (1950) |
| May 4 | 79.0°F (1966) | 18.0°F (1950) | 0.54 in (1950) |
| May 5 | 79.0°F (2000) | 18.0°F (1950) | 0.81 in (1978) |
| May 6 | 81.0°F (1966) | 19.0°F (1965) | 0.61 in (2016) |
| May 7 | 80.1°F (1966) | 18.0°F (2010) | 0.78 in (2016) |
| May 8 | 75.9°F (1985) | 21.0°F (2002) | 0.54 in (2016) |
| May 9 | 78.1°F (1954) | 21.9°F (2002) | 0.90 in (1957) |
| May 10 | 79.0°F (2025) | 21.9°F (2006) | 0.50 in (2005) |
| May 11 | 80.1°F (2007) | 23.0°F (1999) | 0.80 in (2018) |
| May 12 | 82.0°F (1960) | 19.0°F (1953) | 0.23 in (1995) |
| May 13 | 81.0°F (2013) | 21.0°F (1953) | 0.40 in (1965) |
| May 14 | 81.0°F (1976) | 25.0°F (1967) | 0.64 in (1958) |
| May 15 | 80.1°F (1975) | 24.1°F (1974) | 0.79 in (1991) |
| May 16 | 81.0°F (1948) | 24.1°F (1955) | 0.55 in (1981) |
| May 17 | 82.0°F (1970) | 26.1°F (1986) | 1.05 in (1962) |
| May 18 | 82.9°F (1970) | 28.0°F (1966) | 0.48 in (2015) |
| May 19 | 86.0°F (1954) | 25.0°F (2003) | 0.70 in (1953) |
| May 20 | 86.0°F (1954) | 26.2°F (2022) | 1.09 in (1975) |
| May 21 | 82.9°F (2012) | 22.1°F (2022) | 0.40 in (1992) |
| May 22 | 81.0°F (1967) | 26.1°F (1974) | 0.39 in (1956) |
| May 23 | 82.9°F (1984) | 24.1°F (1966) | 0.55 in (2008) |
| May 24 | 80.1°F (2001) | 27.1°F (2024) | 0.94 in (1957) |
| May 25 | 82.0°F (2003) | 26.1°F (1975) | 0.62 in (1962) |
| May 26 | 87.1°F (1969) | 25.0°F (1975) | 0.86 in (1999) |
| May 27 | 84.9°F (1969) | 27.0°F (1973) | 0.51 in (1995) |
| May 28 | 89.1°F (2003) | 28.9°F (1954) | 0.60 in (2011) |
| May 29 | 89.1°F (2003) | 30.9°F (1977) | 0.71 in (1967) |
| May 30 | 87.1°F (2002) | 28.9°F (1978) | 1.71 in (1971) |
| May 31 | 90.0°F (2002) | 26.1°F (1978) | 0.14 in (1971) |