May weather in Idaho City, ID
The average temperature in Idaho City in May is 50.5°F (34.5°F–66.4°F). Average precipitation: 2.11 inches.
May is a spring month in Idaho City, and is warmer than the annual average of 43.9°F. Daily temperatures swing about 31.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 33m. For travel, May is cool.
Avg High
66.4°F
Avg Low
34.5°F
Precipitation
2.11 in
Daylight
14h 33m
May records in Idaho City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1947) | 18.0°F (1919) | 1.40 in (1938) |
| May 2 | 86.0°F (1947) | 14.0°F (1919) | 0.86 in (1995) |
| May 3 | 89.1°F (1966) | 19.0°F (1919) | 0.86 in (1963) |
| May 4 | 88.0°F (1966) | 15.1°F (1919) | 1.23 in (1896) |
| May 5 | 87.1°F (1966) | 18.0°F (1919) | 1.25 in (1983) |
| May 6 | 89.1°F (1947) | 15.1°F (1919) | 0.67 in (1995) |
| May 7 | 87.1°F (1987) | 14.0°F (1919) | 0.70 in (1998) |
| May 8 | 90.0°F (1928) | 10.9°F (1919) | 0.40 in (1896) |
| May 9 | 87.1°F (1987) | 12.9°F (1919) | 0.81 in (1998) |
| May 10 | 91.0°F (1940) | 16.0°F (1919) | 0.61 in (2005) |
| May 11 | 89.1°F (1936) | 14.0°F (1919) | 0.65 in (1998) |
| May 12 | 89.1°F (1924) | 18.0°F (1919) | 1.36 in (1957) |
| May 13 | 91.0°F (1931) | 19.0°F (1919) | 1.00 in (1915) |
| May 14 | 89.1°F (1949) | 12.0°F (1919) | 0.49 in (1957) |
| May 15 | 91.0°F (1934) | 23.0°F (1896) | 1.06 in (1959) |
| May 16 | 91.9°F (1927) | 18.0°F (1974) | 1.10 in (1921) |
| May 17 | 91.0°F (1927) | 16.0°F (1919) | 0.69 in (2005) |
| May 18 | 97.0°F (1919) | 18.0°F (1919) | 0.74 in (1923) |
| May 19 | 93.0°F (1954) | 19.9°F (1931) | 1.02 in (1953) |
| May 20 | 89.1°F (1919) | 23.0°F (1899) | 1.58 in (1923) |
| May 21 | 89.1°F (1929) | 19.0°F (1931) | 0.82 in (1917) |
| May 22 | 91.0°F (1929) | 19.0°F (1960) | 0.97 in (1998) |
| May 23 | 95.0°F (1934) | 19.0°F (1944) | 0.98 in (1977) |
| May 24 | 91.0°F (1940) | 24.1°F (1932) | 1.44 in (1896) |
| May 25 | 91.9°F (2001) | 19.9°F (1918) | 0.80 in (1937) |
| May 26 | 95.0°F (1936) | 23.0°F (1929) | 1.18 in (1895) |
| May 27 | 91.0°F (1958) | 24.1°F (1932) | 1.06 in (1998) |
| May 28 | 91.9°F (1983) | 23.0°F (1954) | 1.30 in (2004) |
| May 29 | 96.1°F (2003) | 23.0°F (1977) | 1.02 in (1988) |
| May 30 | 93.0°F (2003) | 21.9°F (1977) | 0.71 in (1942) |
| May 31 | 93.9°F (1986) | 21.0°F (1982) | 0.72 in (1982) |