May weather in St. Joseph, MI
The average temperature in St. Joseph in May is 58.5°F (47.0°F–70.1°F). Average precipitation: 3.85 inches.
May is a spring month in St. Joseph, and is warmer than the annual average of 50.1°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 23m. For travel, May is a comfortable month to visit.
Avg High
70.1°F
Avg Low
47.0°F
Precipitation
3.85 in
Daylight
14h 23m
May records in St. Joseph
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (1942) | 27.0°F (1943) | 2.07 in (2019) |
| May 2 | 87.1°F (1959) | 25.0°F (1990) | 1.87 in (1983) |
| May 3 | 87.1°F (1955) | 24.1°F (2023) | 1.35 in (2024) |
| May 4 | 90.0°F (1895) | 25.0°F (2005) | 1.80 in (2012) |
| May 5 | 88.0°F (1949) | 28.9°F (2002) | 1.29 in (2003) |
| May 6 | 89.1°F (1959) | 25.0°F (1989) | 1.29 in (1948) |
| May 7 | 86.0°F (2015) | 26.1°F (1992) | 2.00 in (1945) |
| May 8 | 88.0°F (2014) | 25.0°F (1989) | 1.06 in (1969) |
| May 9 | 90.0°F (2014) | 21.9°F (1988) | 0.82 in (2019) |
| May 10 | 88.0°F (1896) | 23.0°F (1947) | 1.91 in (1948) |
| May 11 | 91.9°F (2022) | 28.0°F (1949) | 1.56 in (1893) |
| May 12 | 91.9°F (2022) | 28.9°F (2021) | 1.89 in (1966) |
| May 13 | 91.0°F (2022) | 26.1°F (1996) | 1.00 in (1964) |
| May 14 | 91.9°F (1982) | 28.9°F (2021) | 1.83 in (1945) |
| May 15 | 90.0°F (1982) | 30.9°F (2008) | 1.75 in (2020) |
| May 16 | 89.1°F (1977) | 28.0°F (1984) | 1.43 in (1974) |
| May 17 | 93.0°F (1962) | 30.0°F (1973) | 1.20 in (1960) |
| May 18 | 91.9°F (1962) | 32.0°F (1952) | 1.44 in (1969) |
| May 19 | 93.0°F (1975) | 27.0°F (1990) | 2.70 in (1949) |
| May 20 | 93.0°F (2012) | 32.0°F (1895) | 0.80 in (1943) |
| May 21 | 93.0°F (2012) | 28.0°F (2002) | 1.48 in (1975) |
| May 22 | 90.0°F (1977) | 32.0°F (1997) | 1.27 in (1982) |
| May 23 | 90.0°F (1964) | 30.0°F (2006) | 1.94 in (1893) |
| May 24 | 93.0°F (2010) | 34.0°F (1948) | 1.82 in (2020) |
| May 25 | 91.0°F (2010) | 27.0°F (1992) | 1.10 in (1896) |
| May 26 | 91.0°F (2020) | 26.1°F (1988) | 1.50 in (1959) |
| May 27 | 93.9°F (2012) | 24.1°F (1992) | 1.90 in (1896) |
| May 28 | 96.1°F (2018) | 26.1°F (1992) | 2.10 in (2020) |
| May 29 | 97.0°F (2006) | 32.0°F (1992) | 0.95 in (2013) |
| May 30 | 95.0°F (1895) | 32.0°F (1990) | 6.60 in (1943) |
| May 31 | 93.9°F (1895) | 30.9°F (1990) | 1.75 in (1954) |