May weather in Monticello, MN
The average temperature in Monticello in May is 56.9°F (46.6°F–67.3°F). Average precipitation: 4.23 inches.
May is a spring month in Monticello, and is warmer than the annual average of 43.8°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 41m. For travel, May is a comfortable month to visit.
Avg High
67.3°F
Avg Low
46.6°F
Precipitation
4.23 in
Daylight
14h 41m
May records in Monticello
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (1959) | 23.0°F (1966) | 0.95 in (1973) |
| May 2 | 87.1°F (1959) | 24.1°F (1967) | 1.36 in (2012) |
| May 3 | 87.1°F (1980) | 19.0°F (1967) | 0.88 in (2008) |
| May 4 | 88.0°F (1980) | 23.0°F (1967) | 0.83 in (2012) |
| May 5 | 88.0°F (2000) | 28.0°F (1968) | 1.92 in (1959) |
| May 6 | 89.1°F (2000) | 24.1°F (1989) | 1.70 in (1964) |
| May 7 | 91.0°F (1990) | 28.0°F (1976) | 0.86 in (1984) |
| May 8 | 91.0°F (1990) | 30.0°F (1960) | 1.52 in (1998) |
| May 9 | 91.0°F (1987) | 26.1°F (1966) | 1.03 in (2011) |
| May 10 | 91.0°F (1987) | 28.9°F (1966) | 1.16 in (1979) |
| May 11 | 87.1°F (1961) | 28.9°F (1990) | 1.65 in (1999) |
| May 12 | 86.0°F (1961) | 30.0°F (1971) | 0.74 in (1999) |
| May 13 | 89.1°F (1977) | 24.1°F (1997) | 1.66 in (1986) |
| May 14 | 89.1°F (1977) | 33.1°F (1973) | 1.31 in (1990) |
| May 15 | 95.0°F (2001) | 32.0°F (1959) | 1.68 in (1951) |
| May 16 | 93.9°F (2001) | 35.1°F (1983) | 1.68 in (2004) |
| May 17 | 93.0°F (1987) | 33.1°F (1968) | 1.03 in (1961) |
| May 18 | 90.0°F (1972) | 34.0°F (1968) | 0.85 in (1965) |
| May 19 | 93.9°F (2012) | 32.0°F (1961) | 1.47 in (1996) |
| May 20 | 91.9°F (1972) | 30.9°F (1971) | 1.43 in (2012) |
| May 21 | 91.0°F (1964) | 30.9°F (1971) | 1.23 in (1960) |
| May 22 | 91.9°F (1964) | 30.9°F (1963) | 2.91 in (2011) |
| May 23 | 91.9°F (1964) | 30.9°F (1963) | 1.02 in (2004) |
| May 24 | 91.0°F (2010) | 36.0°F (1968) | 4.77 in (2012) |
| May 25 | 93.0°F (1978) | 37.9°F (1969) | 1.20 in (1975) |
| May 26 | 93.0°F (1978) | 34.0°F (1961) | 1.01 in (1959) |
| May 27 | 93.0°F (1969) | 37.0°F (1965) | 1.95 in (1978) |
| May 28 | 93.9°F (2006) | 35.1°F (1965) | 1.64 in (1995) |
| May 29 | 91.9°F (1980) | 35.1°F (1965) | 0.68 in (2000) |
| May 30 | 91.0°F (1988) | 39.0°F (1966) | 1.24 in (1941) |
| May 31 | 91.9°F (1988) | 39.0°F (1964) | 1.73 in (1998) |