May weather in Glenns Ferry, ID
The average temperature in Glenns Ferry in May is 62.0°F (45.5°F–78.5°F). Average precipitation: 1.07 inches.
May is a spring month in Glenns Ferry, and is warmer than the annual average of 54.6°F. Daily temperatures swing about 33°F between overnight low and afternoon high. Daylight averages about 14h 28m. For travel, May is a comfortable month to visit.
Avg High
78.5°F
Avg Low
45.5°F
Precipitation
1.07 in
Daylight
14h 28m
May records in Glenns Ferry
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 93.0°F (2021) | 21.9°F (1972) | 0.42 in (1915) |
| May 2 | 96.1°F (1947) | 21.0°F (2008) | 0.49 in (1995) |
| May 3 | 96.1°F (1966) | 24.1°F (1919) | 0.44 in (2022) |
| May 4 | 95.0°F (1966) | 25.0°F (1919) | 0.53 in (1926) |
| May 5 | 96.1°F (1966) | 21.9°F (1982) | 0.50 in (2000) |
| May 6 | 95.0°F (1934) | 19.0°F (1909) | 0.33 in (1983) |
| May 7 | 95.0°F (1992) | 23.0°F (2010) | 1.63 in (1970) |
| May 8 | 93.9°F (1928) | 26.1°F (2002) | 0.39 in (1930) |
| May 9 | 96.1°F (1992) | 25.0°F (1922) | 0.22 in (1998) |
| May 10 | 93.9°F (1940) | 19.9°F (1916) | 0.47 in (1970) |
| May 11 | 98.1°F (1932) | 21.9°F (1999) | 0.29 in (1982) |
| May 12 | 93.9°F (1931) | 23.0°F (1916) | 1.34 in (1998) |
| May 13 | 96.1°F (1931) | 26.1°F (1909) | 0.39 in (1915) |
| May 14 | 97.0°F (1921) | 26.1°F (1916) | 0.09 in (1915) |
| May 15 | 95.0°F (1924) | 27.0°F (1986) | 1.03 in (1911) |
| May 16 | 96.1°F (2006) | 28.0°F (1910) | 3.45 in (1925) |
| May 17 | 98.1°F (2006) | 27.0°F (1909) | 0.72 in (1987) |
| May 18 | 98.1°F (1973) | 30.0°F (1943) | 0.38 in (1957) |
| May 19 | 102.0°F (1954) | 26.1°F (2003) | 0.85 in (1957) |
| May 20 | 97.0°F (1919) | 30.0°F (1989) | 0.47 in (1962) |
| May 21 | 97.0°F (1980) | 19.9°F (1989) | 0.41 in (2005) |
| May 22 | 100.0°F (2012) | 26.1°F (1918) | 0.62 in (1946) |
| May 23 | 99.0°F (1934) | 26.1°F (1944) | 0.25 in (1917) |
| May 24 | 100.0°F (2001) | 30.0°F (1918) | 0.70 in (1962) |
| May 25 | 102.0°F (2001) | 24.1°F (1975) | 0.54 in (1931) |
| May 26 | 100.0°F (1919) | 26.1°F (1920) | 0.48 in (1980) |
| May 27 | 98.1°F (1919) | 33.1°F (1998) | 0.65 in (1909) |
| May 28 | 105.1°F (1919) | 30.0°F (1954) | 0.42 in (1953) |
| May 29 | 108.0°F (2003) | 27.0°F (1976) | 0.80 in (1919) |
| May 30 | 105.1°F (2003) | 28.9°F (1979) | 0.64 in (1944) |
| May 31 | 106.0°F (1910) | 30.0°F (1920) | 0.46 in (1932) |