May weather in Tetonia, ID
The average temperature in Tetonia in May is 49.9°F (35.2°F–64.6°F). Average precipitation: 2.30 inches.
May is a spring month in Tetonia, and is warmer than the annual average of 42.2°F. Daily temperatures swing about 29.4°F between overnight low and afternoon high. Daylight averages about 14h 32m. For travel, May is cool.
Avg High
64.6°F
Avg Low
35.2°F
Precipitation
2.30 in
Daylight
14h 32m
May records in Tetonia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 82.0°F (2023) | 8.1°F (1967) | 0.49 in (2015) |
| May 2 | 80.1°F (2023) | 12.0°F (1988) | 0.37 in (2022) |
| May 3 | 81.0°F (1947) | 9.0°F (1985) | 0.34 in (2007) |
| May 4 | 80.1°F (1947) | 15.1°F (1950) | 0.82 in (2009) |
| May 5 | 80.1°F (1947) | 12.9°F (1982) | 0.90 in (1942) |
| May 6 | 79.0°F (1992) | 17.1°F (2010) | 0.66 in (1993) |
| May 7 | 82.9°F (1987) | 14.0°F (2010) | 1.56 in (2005) |
| May 8 | 80.1°F (1947) | 12.9°F (1911) | 0.71 in (1921) |
| May 9 | 80.1°F (1947) | 14.0°F (1990) | 0.86 in (1963) |
| May 10 | 80.1°F (1954) | 18.0°F (1999) | 0.84 in (1966) |
| May 11 | 81.0°F (1941) | 15.1°F (1921) | 0.72 in (1946) |
| May 12 | 79.0°F (2007) | 19.9°F (2014) | 1.00 in (1907) |
| May 13 | 79.0°F (1988) | 19.9°F (1912) | 0.68 in (1915) |
| May 14 | 82.0°F (1936) | 15.1°F (1916) | 0.55 in (1991) |
| May 15 | 82.0°F (1987) | 12.9°F (1916) | 0.52 in (1911) |
| May 16 | 80.1°F (1927) | 10.0°F (1916) | 0.78 in (1980) |
| May 17 | 78.1°F (1948) | 15.1°F (1916) | 0.71 in (1914) |
| May 18 | 82.0°F (1948) | 19.9°F (1942) | 1.34 in (1935) |
| May 19 | 87.1°F (1954) | 18.0°F (1931) | 1.76 in (2013) |
| May 20 | 84.0°F (1954) | 18.0°F (2022) | 0.80 in (1915) |
| May 21 | 81.0°F (1926) | 21.0°F (1908) | 0.97 in (1993) |
| May 22 | 82.0°F (1958) | 21.0°F (1953) | 1.01 in (2002) |
| May 23 | 84.0°F (1926) | 18.0°F (1966) | 0.60 in (1933) |
| May 24 | 87.1°F (1926) | 25.0°F (1966) | 1.35 in (2010) |
| May 25 | 82.0°F (1934) | 19.0°F (1975) | 0.56 in (1980) |
| May 26 | 84.0°F (2022) | 23.0°F (1989) | 1.25 in (1911) |
| May 27 | 82.0°F (1936) | 24.1°F (1955) | 0.89 in (2012) |
| May 28 | 86.0°F (2003) | -20.9°F (2023) | 0.70 in (1982) |
| May 29 | 86.0°F (2003) | 24.1°F (1947) | 0.90 in (1917) |
| May 30 | 86.0°F (1914) | 25.0°F (1922) | 0.75 in (1971) |
| May 31 | 89.1°F (1914) | 23.0°F (1942) | 2.12 in (1921) |