May weather in Preston, ID
The average temperature in Preston in May is 54.8°F (40.4°F–69.1°F). Average precipitation: 2.24 inches. Average snowfall is 0.2 inches.
May is a spring month in Preston, and is warmer than the annual average of 47°F. Daily temperatures swing about 28.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 23m. For travel, May is a comfortable month to visit.
Avg High
69.1°F
Avg Low
40.4°F
Precipitation
2.24 in
Snow
0.2 in
May records in Preston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.0°F (2007) | 21.9°F (1967) | 0.38 in (1999) |
| May 2 | 82.9°F (2000) | 23.0°F (1967) | 0.31 in (1984) |
| May 3 | 82.9°F (2004) | 25.0°F (1988) | 0.68 in (1991) |
| May 4 | 82.9°F (2004) | 27.0°F (1988) | 0.97 in (1993) |
| May 5 | 82.9°F (2004) | 23.0°F (2010) | 0.22 in (1993) |
| May 6 | 84.9°F (1992) | 21.0°F (1965) | 1.11 in (1993) |
| May 7 | 84.0°F (1987) | 23.0°F (1965) | 0.96 in (2015) |
| May 8 | 82.9°F (1966) | 23.0°F (2002) | 0.92 in (2015) |
| May 9 | 82.9°F (2018) | 23.0°F (1968) | 0.66 in (2003) |
| May 10 | 84.0°F (2025) | 24.1°F (1968) | 0.80 in (1966) |
| May 11 | 84.0°F (2007) | 28.0°F (1970) | 0.74 in (1970) |
| May 12 | 87.1°F (2001) | 24.1°F (1999) | 0.62 in (1989) |
| May 13 | 87.1°F (2013) | 27.0°F (1985) | 0.39 in (1983) |
| May 14 | 86.0°F (1996) | 28.9°F (2017) | 0.61 in (1981) |
| May 15 | 86.0°F (2012) | 30.0°F (1970) | 0.47 in (1985) |
| May 16 | 87.1°F (2006) | 28.0°F (1971) | 0.46 in (2015) |
| May 17 | 89.1°F (2006) | 28.9°F (1999) | 0.71 in (2019) |
| May 18 | 88.0°F (2006) | 26.1°F (2017) | 1.02 in (1996) |
| May 19 | 87.1°F (2008) | 30.0°F (1989) | 0.75 in (1983) |
| May 20 | 88.0°F (2001) | 23.0°F (1989) | 1.04 in (1981) |
| May 21 | 84.9°F (2001) | 28.0°F (1989) | 1.31 in (1981) |
| May 22 | 82.0°F (2009) | 30.9°F (2007) | 1.42 in (1981) |
| May 23 | 86.0°F (2003) | 28.0°F (1966) | 0.69 in (2004) |
| May 24 | 89.1°F (2003) | 30.0°F (2024) | 0.81 in (2019) |
| May 25 | 87.1°F (2001) | 28.9°F (1989) | 1.25 in (1981) |
| May 26 | 84.9°F (1969) | 30.0°F (1989) | 0.93 in (1991) |
| May 27 | 84.9°F (1966) | 28.9°F (1965) | 1.15 in (1996) |
| May 28 | 91.9°F (2003) | 30.9°F (1982) | 1.46 in (2004) |
| May 29 | 93.0°F (2003) | 28.9°F (1982) | 0.62 in (2011) |
| May 30 | 93.9°F (2020) | 30.0°F (1982) | 0.53 in (1997) |
| May 31 | 89.1°F (2002) | 30.9°F (1982) | 0.58 in (1999) |