May weather in Basin, WY
The average temperature in Basin in May is 59.8°F (46.8°F–72.8°F). Average precipitation: 1.37 inches.
May is a spring month in Basin, and is warmer than the annual average of 48.9°F. Daily temperatures swing about 26°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 14h 36m. For travel, May is a comfortable month to visit.
Avg High
72.8°F
Avg Low
46.8°F
Precipitation
1.37 in
Snow
0.1 in
May records in Basin
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 90.0°F (1981) | 18.0°F (1954) | 1.63 in (1913) |
| May 2 | 86.0°F (1952) | 21.9°F (1954) | 0.49 in (1965) |
| May 3 | 95.0°F (1957) | 19.9°F (1954) | 0.53 in (1904) |
| May 4 | 93.0°F (1936) | 24.1°F (2010) | 0.61 in (1908) |
| May 5 | 91.0°F (1966) | 19.9°F (1906) | 0.72 in (1930) |
| May 6 | 91.9°F (1966) | 19.9°F (1906) | 0.61 in (1993) |
| May 7 | 93.9°F (1934) | 19.9°F (1906) | 2.00 in (1988) |
| May 8 | 91.0°F (2021) | 19.0°F (2002) | 0.95 in (1926) |
| May 9 | 89.1°F (1987) | 24.1°F (1906) | 0.75 in (1908) |
| May 10 | 89.1°F (1900) | 25.0°F (1927) | 0.82 in (2011) |
| May 11 | 89.1°F (1936) | 25.0°F (1983) | 1.10 in (2005) |
| May 12 | 96.1°F (1960) | 19.0°F (1983) | 0.47 in (1961) |
| May 13 | 93.9°F (2001) | 19.9°F (1983) | 0.60 in (2018) |
| May 14 | 96.1°F (1936) | 24.1°F (1983) | 0.35 in (2024) |
| May 15 | 96.1°F (1936) | 21.0°F (1983) | 0.53 in (1911) |
| May 16 | 91.0°F (1972) | 23.0°F (1983) | 0.44 in (1961) |
| May 17 | 91.9°F (1988) | 28.0°F (1983) | 0.75 in (1978) |
| May 18 | 95.0°F (1937) | 30.0°F (1909) | 0.32 in (2017) |
| May 19 | 98.1°F (2012) | 28.0°F (1966) | 0.39 in (1938) |
| May 20 | 93.9°F (1954) | 23.0°F (1931) | 0.75 in (1937) |
| May 21 | 91.9°F (1958) | 30.0°F (1908) | 0.70 in (2007) |
| May 22 | 93.0°F (1980) | 30.0°F (1974) | 1.38 in (1981) |
| May 23 | 91.9°F (1980) | 26.1°F (2002) | 0.80 in (2006) |
| May 24 | 93.0°F (1984) | 30.9°F (2024) | 0.96 in (1996) |
| May 25 | 96.1°F (1985) | 18.0°F (1984) | 1.37 in (1980) |
| May 26 | 95.0°F (1934) | 27.0°F (1904) | 0.95 in (1962) |
| May 27 | 99.0°F (1937) | 30.0°F (1907) | 1.21 in (1987) |
| May 28 | 96.1°F (1919) | 30.0°F (1911) | 0.86 in (1987) |
| May 29 | 98.1°F (2003) | 30.0°F (1982) | 0.98 in (1971) |
| May 30 | 99.0°F (1936) | 30.0°F (1906) | 0.61 in (2022) |
| May 31 | 95.0°F (2025) | 30.0°F (1906) | 0.67 in (1935) |