May weather in Ontonagon, MI
The average temperature in Ontonagon in May is 53.6°F (41.1°F–66.0°F). Average precipitation: 3.14 inches. Average snowfall is 1.0 inches.
May is a spring month in Ontonagon, and is warmer than the annual average of 43.3°F. Daily temperatures swing about 24.9°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 50m. For travel, May is a comfortable month to visit.
Avg High
66.0°F
Avg Low
41.1°F
Precipitation
3.14 in
Snow
1.0 in
May records in Ontonagon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 80.1°F (1992) | 18.0°F (1978) | 0.37 in (1986) |
| May 2 | 80.1°F (1999) | 19.9°F (2003) | 0.90 in (1993) |
| May 3 | 82.9°F (2000) | 19.9°F (2005) | 1.52 in (2008) |
| May 4 | 86.0°F (1980) | 23.0°F (1997) | 0.75 in (1981) |
| May 5 | 87.1°F (2000) | 21.9°F (1992) | 0.45 in (1981) |
| May 6 | 86.0°F (2000) | 24.1°F (1978) | 1.23 in (1991) |
| May 7 | 82.9°F (2000) | 25.0°F (1994) | 0.79 in (1984) |
| May 8 | 84.9°F (1992) | 21.0°F (1983) | 1.38 in (2002) |
| May 9 | 86.0°F (1993) | 25.0°F (1983) | 0.92 in (1978) |
| May 10 | 87.1°F (2007) | 19.9°F (1981) | 0.83 in (2001) |
| May 11 | 84.0°F (2007) | 21.9°F (1981) | 2.20 in (2003) |
| May 12 | 87.1°F (2004) | 21.0°F (2005) | 1.59 in (1997) |
| May 13 | 82.9°F (1991) | 24.1°F (2013) | 0.61 in (2004) |
| May 14 | 87.1°F (1998) | 28.9°F (1984) | 0.69 in (1978) |
| May 15 | 87.1°F (1991) | 26.1°F (1983) | 0.28 in (1994) |
| May 16 | 86.0°F (1998) | 21.9°F (1983) | 0.83 in (1990) |
| May 17 | 84.0°F (1989) | 23.0°F (1988) | 0.58 in (2004) |
| May 18 | 88.0°F (1998) | 25.0°F (1981) | 1.23 in (1999) |
| May 19 | 89.1°F (2012) | 23.0°F (2000) | 0.62 in (1996) |
| May 20 | 90.0°F (2009) | 21.9°F (2002) | 0.78 in (2014) |
| May 21 | 88.0°F (1992) | 26.1°F (1986) | 1.26 in (2013) |
| May 22 | 86.0°F (2007) | 28.0°F (1997) | 0.78 in (1983) |
| May 23 | 89.1°F (2010) | 30.9°F (2003) | 0.56 in (1983) |
| May 24 | 93.9°F (2010) | 28.0°F (1979) | 1.20 in (1993) |
| May 25 | 91.0°F (2010) | 28.0°F (1979) | 1.75 in (1981) |
| May 26 | 93.0°F (1978) | 25.0°F (1983) | 2.25 in (1991) |
| May 27 | 89.1°F (1978) | 25.0°F (2008) | 0.61 in (1988) |
| May 28 | 90.0°F (2006) | 28.0°F (1984) | 1.30 in (1978) |
| May 29 | 95.0°F (2006) | 27.0°F (1990) | 0.90 in (1983) |
| May 30 | 91.9°F (1986) | 28.0°F (1990) | 1.47 in (2011) |
| May 31 | 90.0°F (1988) | 28.0°F (2009) | 1.11 in (1998) |