May weather in Big Timber, MT
The average temperature in Big Timber in May is 53.4°F (40.3°F–66.6°F). Average precipitation: 3.06 inches. Average snowfall is 0.6 inches.
May is a spring month in Big Timber, and is warmer than the annual average of 47°F. Daily temperatures swing about 26.3°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 44m. For travel, May is a comfortable month to visit.
Avg High
66.6°F
Avg Low
40.3°F
Precipitation
3.06 in
Snow
0.6 in
May records in Big Timber
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 91.0°F (2006) | 12.0°F (1950) | 0.84 in (1894) |
| May 2 | 88.0°F (1930) | 10.0°F (1954) | 0.74 in (2021) |
| May 3 | 84.9°F (1986) | 19.9°F (1954) | 1.22 in (1960) |
| May 4 | 90.0°F (1966) | 19.9°F (1967) | 0.85 in (1959) |
| May 5 | 88.0°F (1921) | 25.0°F (1967) | 1.40 in (2025) |
| May 6 | 90.0°F (1966) | 24.1°F (1917) | 1.99 in (1983) |
| May 7 | 89.1°F (1966) | 21.0°F (2010) | 1.57 in (1975) |
| May 8 | 87.1°F (1987) | 21.0°F (1929) | 1.00 in (1921) |
| May 9 | 84.9°F (1987) | 12.9°F (1982) | 2.15 in (1948) |
| May 10 | 87.1°F (1940) | 24.1°F (1894) | 1.70 in (1967) |
| May 11 | 89.1°F (1960) | 24.1°F (1968) | 2.01 in (1981) |
| May 12 | 87.1°F (1932) | 21.0°F (1953) | 1.25 in (1916) |
| May 13 | 90.0°F (1931) | 21.9°F (1943) | 1.00 in (1990) |
| May 14 | 91.9°F (1931) | 23.0°F (1983) | 0.74 in (1957) |
| May 15 | 91.9°F (1987) | 27.0°F (1983) | 1.24 in (1961) |
| May 16 | 90.0°F (1988) | 26.1°F (1929) | 1.85 in (2015) |
| May 17 | 88.0°F (1948) | 28.0°F (1943) | 1.62 in (2017) |
| May 18 | 90.0°F (1928) | 28.0°F (1929) | 1.26 in (1944) |
| May 19 | 90.0°F (1954) | 26.1°F (1997) | 4.00 in (1938) |
| May 20 | 90.0°F (1919) | 26.1°F (2003) | 2.00 in (2011) |
| May 21 | 90.0°F (1928) | 28.0°F (2021) | 1.49 in (1970) |
| May 22 | 93.0°F (1928) | 27.0°F (1918) | 1.08 in (2008) |
| May 23 | 93.9°F (1929) | 28.0°F (1995) | 2.86 in (2024) |
| May 24 | 91.9°F (1929) | 28.9°F (1975) | 1.54 in (2011) |
| May 25 | 95.0°F (1931) | 30.0°F (2004) | 1.60 in (1962) |
| May 26 | 91.9°F (1928) | 30.9°F (1920) | 1.46 in (1962) |
| May 27 | 97.0°F (1934) | 28.0°F (1924) | 1.37 in (2010) |
| May 28 | 97.0°F (1919) | 30.0°F (1947) | 1.32 in (1982) |
| May 29 | 95.0°F (1934) | 28.9°F (1954) | 1.27 in (2013) |
| May 30 | 95.0°F (1936) | 30.0°F (1917) | 1.44 in (1967) |
| May 31 | 91.0°F (1972) | 28.0°F (1982) | 0.78 in (1999) |