May weather in Miles City, MT
The average temperature in Miles City in May is 55.5°F (42.9°F–68.1°F). Average precipitation: 2.73 inches.
May is a spring month in Miles City, and is warmer than the annual average of 46.2°F. Daily temperatures swing about 25.2°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 48m. For travel, May is a comfortable month to visit.
Avg High
68.1°F
Avg Low
42.9°F
Precipitation
2.73 in
Daylight
14h 48m
May records in Miles City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1955) | 21.2°F (2013) | 1.31 in (2008) |
| May 2 | 90.0°F (1985) | 18.0°F (1954) | 0.42 in (1938) |
| May 3 | 89.1°F (1986) | 15.1°F (1954) | 2.17 in (1955) |
| May 4 | 88.0°F (1939) | 24.1°F (1967) | 0.70 in (2003) |
| May 5 | 89.1°F (1966) | 27.0°F (1967) | 1.66 in (1975) |
| May 6 | 90.0°F (1966) | 28.0°F (1946) | 1.30 in (1975) |
| May 7 | 90.0°F (1992) | 25.0°F (1984) | 1.34 in (2005) |
| May 8 | 90.0°F (1987) | 18.0°F (1945) | 1.10 in (1986) |
| May 9 | 89.1°F (1977) | 26.2°F (2019) | 1.51 in (1953) |
| May 10 | 90.0°F (2025) | 23.0°F (1979) | 2.22 in (2011) |
| May 11 | 91.9°F (1958) | 23.0°F (1953) | 1.06 in (1963) |
| May 12 | 96.1°F (1960) | 23.0°F (2004) | 1.08 in (1995) |
| May 13 | 97.0°F (2001) | 17.1°F (2004) | 0.88 in (1962) |
| May 14 | 88.0°F (1987) | 27.0°F (2005) | 0.41 in (1941) |
| May 15 | 93.9°F (1978) | 32.0°F (1945) | 1.10 in (1955) |
| May 16 | 91.0°F (2012) | 30.9°F (1968) | 0.42 in (1993) |
| May 17 | 91.9°F (1972) | 30.9°F (2002) | 2.30 in (1978) |
| May 18 | 98.1°F (1948) | 30.2°F (2015) | 1.32 in (2013) |
| May 19 | 93.9°F (1992) | 28.0°F (1968) | 0.67 in (2011) |
| May 20 | 99.0°F (1964) | 30.0°F (2003) | 1.35 in (2011) |
| May 21 | 96.1°F (1980) | 28.9°F (1963) | 1.04 in (2011) |
| May 22 | 99.0°F (1980) | 28.2°F (2022) | 0.88 in (1961) |
| May 23 | 96.1°F (1980) | 30.0°F (1947) | 1.24 in (1996) |
| May 24 | 95.0°F (1985) | 32.0°F (2002) | 2.17 in (2010) |
| May 25 | 90.0°F (1969) | 32.0°F (2004) | 0.67 in (1962) |
| May 26 | 98.1°F (1969) | 32.0°F (2007) | 1.20 in (1973) |
| May 27 | 96.1°F (1969) | 30.0°F (1965) | 0.80 in (1987) |
| May 28 | 95.0°F (1937) | 24.1°F (1947) | 0.55 in (1962) |
| May 29 | 100.0°F (1988) | 30.9°F (1947) | 1.22 in (2013) |
| May 30 | 98.1°F (1984) | 36.0°F (1982) | 1.85 in (2013) |
| May 31 | 91.9°F (1966) | 32.0°F (1954) | 0.99 in (2014) |