May weather in St. John, ND
The average temperature in St. John in May is 49.9°F (38.0°F–61.8°F). Average precipitation: 2.86 inches.
May is a spring month in St. John, and is warmer than the annual average of 36.5°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 15h 4m. For travel, May is a comfortable month to visit.
Avg High
61.8°F
Avg Low
38.0°F
Precipitation
2.86 in
Daylight
15h 4m
May records in St. John
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.0°F (1939) | 12.0°F (1958) | 0.38 in (1942) |
| May 2 | 84.9°F (1952) | 12.9°F (1967) | 1.46 in (1938) |
| May 3 | 88.0°F (1952) | 10.9°F (1967) | 1.67 in (1941) |
| May 4 | 84.9°F (1980) | 19.0°F (1967) | 1.20 in (1991) |
| May 5 | 86.0°F (1939) | 19.0°F (1944) | 1.92 in (1965) |
| May 6 | 82.9°F (1953) | 18.0°F (1989) | 0.80 in (1986) |
| May 7 | 87.1°F (1992) | 19.0°F (1943) | 0.50 in (1940) |
| May 8 | 81.0°F (1953) | 14.0°F (2009) | 0.78 in (1968) |
| May 9 | 86.0°F (1987) | 14.0°F (2009) | 0.74 in (1982) |
| May 10 | 84.9°F (1992) | 18.0°F (1946) | 1.63 in (1905) |
| May 11 | 93.0°F (1906) | 19.9°F (1946) | 1.30 in (1999) |
| May 12 | 84.9°F (1949) | 15.1°F (1946) | 1.15 in (2000) |
| May 13 | 89.1°F (1977) | 19.0°F (2004) | 1.60 in (2009) |
| May 14 | 90.0°F (1977) | 19.9°F (1983) | 0.80 in (1906) |
| May 15 | 87.1°F (2001) | 19.9°F (1997) | 1.18 in (1999) |
| May 16 | 89.1°F (1987) | 19.9°F (1983) | 1.42 in (1990) |
| May 17 | 88.0°F (1970) | 25.0°F (2002) | 0.90 in (1906) |
| May 18 | 91.0°F (1941) | 25.0°F (2002) | 0.38 in (1950) |
| May 19 | 91.9°F (1948) | 27.0°F (1906) | 2.11 in (1977) |
| May 20 | 91.0°F (1964) | 23.0°F (2002) | 1.46 in (1994) |
| May 21 | 91.0°F (1964) | 24.1°F (1963) | 1.50 in (2005) |
| May 22 | 91.9°F (1980) | 24.1°F (1963) | 1.24 in (1971) |
| May 23 | 93.9°F (1980) | 28.9°F (1949) | 2.60 in (1981) |
| May 24 | 86.0°F (1980) | 27.0°F (1949) | 0.65 in (1953) |
| May 25 | 87.1°F (1977) | 30.0°F (1905) | 1.24 in (1960) |
| May 26 | 89.1°F (1969) | 27.0°F (1906) | 1.22 in (1960) |
| May 27 | 88.0°F (1969) | 27.0°F (1965) | 0.72 in (1954) |
| May 28 | 86.0°F (1946) | 21.0°F (1947) | 1.33 in (1954) |
| May 29 | 91.0°F (1939) | 27.0°F (1945) | 1.08 in (1962) |
| May 30 | 91.9°F (1988) | 28.9°F (1947) | 1.84 in (1946) |
| May 31 | 89.1°F (1986) | 28.0°F (1947) | 1.58 in (2004) |