May weather in Salmon, ID
The average temperature in Salmon in May is 54.0°F (39.7°F–68.3°F). Average precipitation: 1.29 inches.
May is a spring month in Salmon, and is warmer than the annual average of 44.4°F. Daily temperatures swing about 28.6°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 40m. For travel, May is a comfortable month to visit.
Avg High
68.3°F
Avg Low
39.7°F
Precipitation
1.29 in
Snow
0.1 in
May records in Salmon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2021) | 19.0°F (1972) | 0.28 in (1984) |
| May 2 | 87.1°F (1985) | 19.0°F (2019) | 0.22 in (1995) |
| May 3 | 86.0°F (2023) | 24.1°F (2019) | 0.25 in (2022) |
| May 4 | 84.0°F (1992) | 26.1°F (1978) | 0.50 in (1993) |
| May 5 | 86.0°F (1992) | 19.9°F (1982) | 0.19 in (1988) |
| May 6 | 88.0°F (1987) | 23.0°F (1968) | 1.14 in (1995) |
| May 7 | 90.0°F (1987) | 25.0°F (1979) | 0.42 in (1970) |
| May 8 | 90.0°F (1987) | 23.0°F (1968) | 0.41 in (1979) |
| May 9 | 87.1°F (1987) | 21.9°F (2021) | 0.73 in (1980) |
| May 10 | 84.0°F (2025) | 21.9°F (2021) | 0.39 in (1986) |
| May 11 | 91.0°F (2025) | 24.1°F (1973) | 0.40 in (2014) |
| May 12 | 89.1°F (1993) | 26.1°F (2021) | 0.22 in (1974) |
| May 13 | 88.0°F (1993) | 26.1°F (1985) | 0.47 in (1968) |
| May 14 | 88.0°F (2013) | 25.0°F (1970) | 0.20 in (1998) |
| May 15 | 87.1°F (1973) | 30.0°F (1970) | 0.54 in (2015) |
| May 16 | 90.0°F (1988) | 26.1°F (1974) | 0.57 in (1977) |
| May 17 | 89.1°F (2006) | 27.0°F (1984) | 0.62 in (2005) |
| May 18 | 89.1°F (2008) | 27.0°F (2004) | 0.43 in (2004) |
| May 19 | 91.9°F (2009) | 28.0°F (1971) | 0.54 in (1994) |
| May 20 | 84.9°F (1980) | 28.0°F (2003) | 0.83 in (2020) |
| May 21 | 89.1°F (1980) | 28.9°F (1973) | 0.55 in (2002) |
| May 22 | 88.0°F (1988) | 30.0°F (1974) | 0.35 in (1978) |
| May 23 | 89.1°F (2001) | 28.0°F (1986) | 0.55 in (2010) |
| May 24 | 90.0°F (1988) | 28.9°F (2024) | 0.58 in (1997) |
| May 25 | 90.0°F (1992) | 26.1°F (2004) | 0.60 in (1985) |
| May 26 | 93.0°F (1983) | 25.0°F (1975) | 0.82 in (1987) |
| May 27 | 95.0°F (1986) | 30.9°F (1973) | 0.34 in (2012) |
| May 28 | 95.0°F (1983) | 32.0°F (1975) | 0.47 in (1989) |
| May 29 | 96.1°F (2003) | 32.0°F (1975) | 0.25 in (2010) |
| May 30 | 95.0°F (1986) | 28.9°F (1979) | 0.28 in (1988) |
| May 31 | 93.0°F (1986) | 28.9°F (2004) | 0.48 in (1971) |