May weather in Grace, ID
The average temperature in Grace in May is 50.8°F (37.7°F–63.9°F). Average precipitation: 2.38 inches.
May is a spring month in Grace, and is warmer than the annual average of 43.8°F. Daily temperatures swing about 26.2°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 26m. For travel, May is cool.
Avg High
63.9°F
Avg Low
37.7°F
Precipitation
2.38 in
Daylight
14h 26m
May records in Grace
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 79.0°F (1985) | 10.9°F (1972) | 0.61 in (1920) |
| May 2 | 80.1°F (1985) | 18.0°F (2013) | 0.70 in (1987) |
| May 3 | 82.9°F (1947) | 21.0°F (1930) | 0.42 in (1991) |
| May 4 | 82.9°F (1918) | 21.9°F (2007) | 0.95 in (1926) |
| May 5 | 82.9°F (1992) | 19.9°F (1961) | 0.90 in (1933) |
| May 6 | 86.0°F (1992) | 18.0°F (1965) | 0.94 in (1993) |
| May 7 | 84.0°F (1913) | 18.0°F (1983) | 0.87 in (2005) |
| May 8 | 82.0°F (1913) | 21.0°F (2002) | 0.60 in (2011) |
| May 9 | 82.0°F (1913) | 19.9°F (2009) | 0.97 in (1980) |
| May 10 | 82.9°F (2025) | 21.0°F (1916) | 0.78 in (1985) |
| May 11 | 82.9°F (1960) | 19.9°F (1918) | 0.59 in (1995) |
| May 12 | 84.9°F (2001) | 21.9°F (1916) | 0.88 in (1980) |
| May 13 | 84.0°F (2007) | 19.9°F (2009) | 0.80 in (1994) |
| May 14 | 82.0°F (1936) | 25.0°F (1956) | 0.78 in (2025) |
| May 15 | 84.0°F (2006) | 21.0°F (1916) | 0.83 in (1981) |
| May 16 | 88.0°F (1973) | 24.1°F (2009) | 0.76 in (1980) |
| May 17 | 87.1°F (2006) | 24.1°F (1982) | 0.84 in (1949) |
| May 18 | 88.0°F (2006) | 25.0°F (1965) | 1.44 in (1996) |
| May 19 | 91.0°F (1919) | 23.0°F (1989) | 1.21 in (1957) |
| May 20 | 93.0°F (1929) | 25.0°F (1950) | 0.85 in (1917) |
| May 21 | 90.0°F (1929) | 25.0°F (1931) | 1.02 in (1954) |
| May 22 | 86.0°F (1919) | 26.1°F (1930) | 0.66 in (1981) |
| May 23 | 87.1°F (1919) | 21.9°F (1966) | 0.71 in (1920) |
| May 24 | 87.1°F (2001) | 27.0°F (2007) | 1.20 in (1907) |
| May 25 | 88.0°F (1919) | 21.9°F (1975) | 0.47 in (1917) |
| May 26 | 90.0°F (1913) | 23.0°F (1975) | 0.90 in (1981) |
| May 27 | 91.0°F (1919) | 26.1°F (1922) | 0.88 in (2019) |
| May 28 | 95.0°F (1919) | 26.1°F (1954) | 0.77 in (1946) |
| May 29 | 93.9°F (2003) | 27.0°F (1982) | 0.64 in (2004) |
| May 30 | 88.0°F (1913) | 19.9°F (1991) | 0.88 in (1999) |
| May 31 | 91.9°F (1913) | 27.0°F (1979) | 1.32 in (1999) |