May weather in Ashton, ID
The average temperature in Ashton in May is 52.5°F (39.7°F–65.3°F). Average precipitation: 2.24 inches.
May is a spring month in Ashton, and is warmer than the annual average of 43.4°F. Daily temperatures swing about 25.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 34m. For travel, May is a comfortable month to visit.
Avg High
65.3°F
Avg Low
39.7°F
Precipitation
2.24 in
Daylight
14h 34m
May records in Ashton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 79.0°F (2007) | 16.0°F (1967) | 0.67 in (1959) |
| May 2 | 84.9°F (1947) | 8.1°F (1967) | 0.80 in (1917) |
| May 3 | 84.0°F (1947) | 6.1°F (1899) | 0.73 in (2009) |
| May 4 | 82.9°F (1939) | 19.0°F (1902) | 0.76 in (1976) |
| May 5 | 82.9°F (1966) | 19.9°F (1982) | 0.65 in (1930) |
| May 6 | 88.0°F (1916) | 19.9°F (1919) | 0.92 in (1995) |
| May 7 | 84.0°F (1947) | 17.1°F (1968) | 0.71 in (1991) |
| May 8 | 86.0°F (1947) | 23.0°F (2021) | 0.81 in (1948) |
| May 9 | 84.9°F (1954) | 19.0°F (1897) | 1.00 in (1991) |
| May 10 | 84.9°F (1994) | 12.0°F (1916) | 1.06 in (1967) |
| May 11 | 87.1°F (1960) | 19.9°F (1959) | 1.02 in (1985) |
| May 12 | 89.1°F (1994) | 16.0°F (1916) | 0.89 in (1957) |
| May 13 | 84.9°F (1936) | 21.0°F (1974) | 0.61 in (1998) |
| May 14 | 86.0°F (1936) | 17.1°F (1899) | 0.53 in (1968) |
| May 15 | 82.0°F (1897) | 19.0°F (1899) | 0.63 in (1942) |
| May 16 | 89.1°F (1924) | 19.0°F (1974) | 0.90 in (1996) |
| May 17 | 88.0°F (1932) | 23.0°F (1906) | 1.85 in (2015) |
| May 18 | 86.0°F (1937) | 23.0°F (1965) | 0.87 in (1913) |
| May 19 | 88.0°F (1907) | 18.0°F (2003) | 0.91 in (1957) |
| May 20 | 84.9°F (1924) | 18.0°F (1931) | 0.74 in (2016) |
| May 21 | 87.1°F (1924) | 21.0°F (1931) | 0.86 in (1915) |
| May 22 | 86.0°F (1958) | 21.0°F (1900) | 1.13 in (1901) |
| May 23 | 84.0°F (1967) | 19.9°F (1966) | 1.00 in (2016) |
| May 24 | 84.9°F (1934) | 27.0°F (1960) | 1.87 in (2011) |
| May 25 | 84.0°F (1934) | 24.1°F (1975) | 0.95 in (1980) |
| May 26 | 89.1°F (1936) | 25.0°F (1899) | 0.82 in (1911) |
| May 27 | 84.9°F (1936) | 17.1°F (1899) | 1.00 in (2012) |
| May 28 | 90.0°F (2003) | 24.1°F (1991) | 1.50 in (1906) |
| May 29 | 88.0°F (1936) | 18.0°F (1900) | 1.00 in (1927) |
| May 30 | 90.0°F (1936) | 25.0°F (1898) | 1.18 in (2023) |
| May 31 | 88.0°F (1986) | 21.0°F (1899) | 1.12 in (2022) |