May weather in Townsend, MT
The average temperature in Townsend in May is 53.2°F (39.4°F–67.0°F). Average precipitation: 1.78 inches.
May is a spring month in Townsend, and is warmer than the annual average of 44.9°F. Daily temperatures swing about 27.6°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 47m. For travel, May is a comfortable month to visit.
Avg High
67.0°F
Avg Low
39.4°F
Precipitation
1.78 in
Snow
0.1 in
May records in Townsend
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.9°F (2000) | 17.1°F (2019) | 0.61 in (1951) |
| May 2 | 82.9°F (1985) | 12.9°F (1954) | 0.54 in (1950) |
| May 3 | 81.0°F (1971) | 19.9°F (2001) | 0.75 in (1964) |
| May 4 | 84.0°F (1966) | 19.9°F (1967) | 0.66 in (1964) |
| May 5 | 84.9°F (1966) | 19.9°F (1996) | 0.64 in (1976) |
| May 6 | 88.0°F (1966) | 23.0°F (1950) | 0.30 in (1981) |
| May 7 | 90.0°F (1966) | 23.0°F (2010) | 0.70 in (1958) |
| May 8 | 81.0°F (1987) | 19.0°F (2010) | 0.28 in (2024) |
| May 9 | 86.0°F (2012) | 21.0°F (2002) | 0.76 in (1956) |
| May 10 | 86.0°F (2025) | 23.0°F (1973) | 1.72 in (1980) |
| May 11 | 89.1°F (1993) | 19.9°F (1968) | 0.86 in (2018) |
| May 12 | 89.1°F (2001) | 25.0°F (1985) | 0.75 in (1995) |
| May 13 | 91.9°F (2013) | 19.9°F (1983) | 0.56 in (1951) |
| May 14 | 90.0°F (2013) | 21.9°F (1983) | 0.87 in (2025) |
| May 15 | 87.1°F (2006) | 25.0°F (1953) | 0.70 in (1952) |
| May 16 | 93.0°F (1988) | 23.0°F (1974) | 0.75 in (2022) |
| May 17 | 88.0°F (1988) | 27.0°F (1986) | 0.89 in (2017) |
| May 18 | 84.9°F (1976) | 21.0°F (1965) | 0.40 in (2018) |
| May 19 | 89.1°F (2009) | 25.0°F (1950) | 0.38 in (1982) |
| May 20 | 93.9°F (1954) | 27.0°F (2021) | 0.71 in (1957) |
| May 21 | 84.9°F (1954) | 26.1°F (2001) | 0.82 in (2016) |
| May 22 | 87.1°F (1980) | 28.0°F (1984) | 1.20 in (1981) |
| May 23 | 88.0°F (1980) | 27.0°F (1986) | 1.50 in (2024) |
| May 24 | 88.0°F (1988) | 28.9°F (2024) | 0.64 in (1980) |
| May 25 | 87.1°F (2003) | 15.1°F (1950) | 0.79 in (1997) |
| May 26 | 86.0°F (1999) | 19.9°F (1950) | 0.84 in (1980) |
| May 27 | 90.0°F (1986) | 26.1°F (1950) | 0.83 in (2006) |
| May 28 | 90.0°F (1966) | 30.0°F (1955) | 0.34 in (2004) |
| May 29 | 90.0°F (1986) | 23.0°F (1950) | 0.64 in (2025) |
| May 30 | 90.0°F (1986) | 28.9°F (1978) | 0.96 in (1988) |
| May 31 | 90.0°F (1986) | 18.0°F (1950) | 0.49 in (1971) |