May weather in Terry, MT
The average temperature in Terry in May is 55.4°F (42.7°F–68.0°F). Average precipitation: 2.51 inches.
May is a spring month in Terry, and is warmer than the annual average of 45.3°F. Daily temperatures swing about 25.3°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 50m. For travel, May is a comfortable month to visit.
Avg High
68.0°F
Avg Low
42.7°F
Precipitation
2.51 in
Daylight
14h 50m
May records in Terry
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (1987) | 10.9°F (1984) | 1.03 in (2008) |
| May 2 | 89.1°F (1955) | 19.9°F (1979) | 1.47 in (2008) |
| May 3 | 89.1°F (1985) | 14.0°F (1954) | 1.61 in (1955) |
| May 4 | 89.1°F (1977) | 18.0°F (2002) | 0.52 in (1969) |
| May 5 | 89.1°F (1986) | 21.9°F (1954) | 0.52 in (2009) |
| May 6 | 90.0°F (2016) | 21.9°F (1985) | 1.06 in (1975) |
| May 7 | 91.9°F (1992) | 21.0°F (1959) | 1.43 in (2024) |
| May 8 | 91.9°F (1992) | 21.9°F (1984) | 0.70 in (1978) |
| May 9 | 91.0°F (1987) | 23.0°F (1968) | 1.20 in (1986) |
| May 10 | 93.0°F (1977) | 19.9°F (1979) | 2.25 in (2011) |
| May 11 | 93.0°F (2025) | 18.0°F (1968) | 0.67 in (1967) |
| May 12 | 93.9°F (2025) | 24.1°F (2020) | 0.84 in (1991) |
| May 13 | 99.0°F (2001) | 17.1°F (2004) | 2.00 in (2022) |
| May 14 | 98.1°F (2001) | 19.9°F (2004) | 1.74 in (1968) |
| May 15 | 90.0°F (1987) | 30.0°F (1958) | 0.36 in (1966) |
| May 16 | 91.9°F (1984) | 24.1°F (2009) | 0.52 in (1982) |
| May 17 | 93.0°F (1988) | 25.0°F (2002) | 1.20 in (1987) |
| May 18 | 95.0°F (1972) | 25.0°F (2002) | 0.65 in (2005) |
| May 19 | 93.9°F (2006) | 28.9°F (2000) | 0.61 in (2025) |
| May 20 | 91.9°F (1964) | 25.0°F (1968) | 1.23 in (1982) |
| May 21 | 97.0°F (1964) | 30.0°F (1989) | 1.42 in (2011) |
| May 22 | 98.1°F (1980) | 30.0°F (1969) | 0.38 in (1971) |
| May 23 | 100.9°F (1980) | 26.1°F (1959) | 0.86 in (2008) |
| May 24 | 93.0°F (1951) | 30.0°F (2002) | 2.93 in (2006) |
| May 25 | 93.0°F (1977) | 28.9°F (1995) | 1.30 in (2010) |
| May 26 | 90.0°F (1958) | 27.0°F (1984) | 0.76 in (2012) |
| May 27 | 97.0°F (1969) | 30.0°F (1984) | 1.05 in (2012) |
| May 28 | 97.0°F (1969) | 28.0°F (1952) | 1.13 in (2013) |
| May 29 | 95.0°F (1958) | 34.0°F (1989) | 1.84 in (1989) |
| May 30 | 102.0°F (1988) | 30.9°F (1982) | 1.90 in (2013) |
| May 31 | 98.1°F (1984) | 34.0°F (1985) | 1.19 in (2013) |