May weather in Shelley, ID
The average temperature in Shelley in May is 52.8°F (38.4°F–67.2°F). Average precipitation: 1.57 inches.
May is a spring month in Shelley, and is warmer than the annual average of 44.2°F. Daily temperatures swing about 28.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 30m. For travel, May is a comfortable month to visit.
Avg High
67.2°F
Avg Low
38.4°F
Precipitation
1.57 in
Daylight
14h 30m
May records in Shelley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.0°F (1981) | 19.0°F (1972) | 0.40 in (1964) |
| May 2 | 84.0°F (1985) | 18.0°F (2013) | 0.40 in (2022) |
| May 3 | 84.9°F (1966) | 22.1°F (2019) | 0.55 in (1993) |
| May 4 | 86.0°F (1966) | 21.9°F (2001) | 0.41 in (1976) |
| May 5 | 84.9°F (1966) | 17.1°F (1982) | 0.35 in (1993) |
| May 6 | 86.0°F (1992) | 25.0°F (2001) | 1.73 in (1993) |
| May 7 | 86.0°F (1992) | 22.1°F (2010) | 0.64 in (2000) |
| May 8 | 84.0°F (1987) | 24.1°F (2002) | 0.76 in (1991) |
| May 9 | 87.1°F (1954) | 21.0°F (2002) | 0.94 in (1982) |
| May 10 | 88.0°F (2025) | 22.1°F (2022) | 0.78 in (1966) |
| May 11 | 87.1°F (1949) | 24.1°F (1999) | 0.75 in (1963) |
| May 12 | 87.1°F (2001) | 24.1°F (1953) | 0.56 in (2018) |
| May 13 | 88.0°F (2013) | 25.2°F (2009) | 0.44 in (1998) |
| May 14 | 86.0°F (1984) | 27.0°F (1951) | 0.46 in (1968) |
| May 15 | 88.0°F (1954) | 27.0°F (1986) | 0.61 in (2015) |
| May 16 | 93.0°F (1964) | 23.0°F (1974) | 0.69 in (2015) |
| May 17 | 87.1°F (2006) | 27.0°F (1983) | 0.35 in (1949) |
| May 18 | 89.1°F (2009) | 25.0°F (2003) | 0.54 in (2025) |
| May 19 | 89.1°F (1954) | 19.0°F (2003) | 0.63 in (2019) |
| May 20 | 87.1°F (1958) | 24.1°F (2003) | 0.68 in (1974) |
| May 21 | 88.0°F (2012) | 27.0°F (2001) | 0.78 in (1949) |
| May 22 | 87.1°F (1967) | 28.9°F (1966) | 0.56 in (1971) |
| May 23 | 88.0°F (1979) | 25.0°F (1966) | 1.27 in (2023) |
| May 24 | 87.1°F (2001) | 26.1°F (1960) | 0.66 in (2011) |
| May 25 | 88.0°F (2003) | 25.0°F (1989) | 0.61 in (1980) |
| May 26 | 87.1°F (2022) | 25.0°F (1975) | 0.97 in (1981) |
| May 27 | 88.0°F (1966) | 28.9°F (1973) | 0.36 in (1982) |
| May 28 | 93.9°F (2003) | 30.0°F (1991) | 0.68 in (2018) |
| May 29 | 93.9°F (2003) | 30.9°F (1977) | 0.67 in (1956) |
| May 30 | 91.0°F (2003) | 30.9°F (1977) | 0.68 in (1999) |
| May 31 | 89.1°F (1986) | 28.0°F (1978) | 0.49 in (1955) |