May weather in Deer Lodge, MT
The average temperature in Deer Lodge in May is 47.9°F (33.7°F–62.2°F). Average precipitation: 2.19 inches.
May is a spring month in Deer Lodge, and is warmer than the annual average of 40.3°F. Daily temperatures swing about 28.5°F between overnight low and afternoon high. Daylight averages about 14h 47m. For travel, May is cool.
Avg High
62.2°F
Avg Low
33.7°F
Precipitation
2.19 in
Daylight
14h 47m
May records in Deer Lodge
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 80.1°F (2000) | 10.0°F (1972) | 0.30 in (1964) |
| May 2 | 81.0°F (1985) | 7.0°F (1967) | 0.22 in (1987) |
| May 3 | 81.0°F (1966) | 15.1°F (2001) | 0.67 in (2007) |
| May 4 | 80.1°F (1966) | 18.0°F (2006) | 0.51 in (1964) |
| May 5 | 82.0°F (1966) | 9.0°F (2010) | 0.40 in (1961) |
| May 6 | 84.0°F (1966) | 17.1°F (1985) | 0.50 in (2022) |
| May 7 | 79.0°F (1966) | 12.0°F (2010) | 0.72 in (1980) |
| May 8 | 81.0°F (1987) | 16.0°F (2010) | 0.73 in (2023) |
| May 9 | 80.1°F (1987) | 10.9°F (2002) | 0.41 in (2005) |
| May 10 | 84.9°F (2013) | 17.1°F (2022) | 0.95 in (2005) |
| May 11 | 86.0°F (1960) | 17.1°F (1973) | 0.43 in (1963) |
| May 12 | 84.0°F (1960) | 12.9°F (1985) | 0.50 in (1975) |
| May 13 | 84.9°F (2013) | 17.1°F (1985) | 0.40 in (2003) |
| May 14 | 88.0°F (2001) | 19.0°F (2004) | 0.42 in (1977) |
| May 15 | 84.9°F (2006) | 19.0°F (1986) | 0.24 in (1981) |
| May 16 | 86.0°F (2006) | 18.0°F (1974) | 0.81 in (1959) |
| May 17 | 86.0°F (1988) | 21.0°F (2001) | 0.76 in (2005) |
| May 18 | 86.0°F (2006) | 17.1°F (1965) | 0.52 in (2015) |
| May 19 | 84.0°F (2009) | 23.0°F (1997) | 0.96 in (2020) |
| May 20 | 87.1°F (2002) | 21.9°F (1967) | 0.70 in (1974) |
| May 21 | 82.9°F (2002) | 18.0°F (2009) | 0.79 in (1962) |
| May 22 | 81.0°F (1980) | 19.0°F (1986) | 1.23 in (1981) |
| May 23 | 82.9°F (1979) | 23.0°F (1986) | 1.04 in (1980) |
| May 24 | 84.0°F (2001) | 15.1°F (2014) | 1.20 in (2004) |
| May 25 | 84.9°F (2001) | 21.9°F (1984) | 1.44 in (1980) |
| May 26 | 86.0°F (1966) | 19.9°F (1967) | 0.83 in (1982) |
| May 27 | 86.0°F (1986) | 21.0°F (1973) | 0.88 in (2013) |
| May 28 | 89.1°F (1986) | 25.0°F (1995) | 0.50 in (1982) |
| May 29 | 90.0°F (2003) | 25.0°F (1977) | 0.41 in (2001) |
| May 30 | 87.1°F (1986) | 21.0°F (1977) | 0.55 in (1996) |
| May 31 | 90.0°F (2025) | 24.1°F (2024) | 1.26 in (1988) |