May weather in East Thermopolis, WY
The average temperature in East Thermopolis in May is 57.0°F (42.5°F–71.4°F). Average precipitation: 2.53 inches. Average snowfall is 0.2 inches.
May is a spring month in East Thermopolis, and is warmer than the annual average of 48.6°F. Daily temperatures swing about 28.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 31m. For travel, May is a comfortable month to visit.
Avg High
71.4°F
Avg Low
42.5°F
Precipitation
2.53 in
Snow
0.2 in
May records in East Thermopolis
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 88.0°F (1901) | 17.1°F (1954) | 1.37 in (1910) |
| May 2 | 84.9°F (1952) | 12.0°F (1954) | 1.52 in (1904) |
| May 3 | 89.1°F (1952) | 19.9°F (1903) | 1.85 in (1904) |
| May 4 | 87.1°F (1939) | 21.9°F (1899) | 4.50 in (1906) |
| May 5 | 89.1°F (1939) | 18.0°F (1903) | 1.43 in (1917) |
| May 6 | 89.1°F (1934) | 16.0°F (1909) | 1.36 in (1904) |
| May 7 | 90.0°F (1934) | 27.0°F (1924) | 0.84 in (1904) |
| May 8 | 91.0°F (1934) | 24.1°F (1929) | 0.99 in (2003) |
| May 9 | 87.1°F (1934) | 21.9°F (2002) | 0.80 in (1926) |
| May 10 | 87.1°F (1900) | 21.0°F (1916) | 1.50 in (1922) |
| May 11 | 89.1°F (1940) | 21.0°F (1916) | 1.82 in (2005) |
| May 12 | 90.0°F (1960) | 19.0°F (1953) | 1.65 in (2010) |
| May 13 | 91.9°F (2013) | 25.0°F (1909) | 2.13 in (1908) |
| May 14 | 91.0°F (2001) | 26.1°F (1953) | 0.87 in (2025) |
| May 15 | 93.0°F (1936) | 30.0°F (1916) | 0.56 in (1991) |
| May 16 | 96.1°F (1936) | 21.9°F (1916) | 0.80 in (1903) |
| May 17 | 91.0°F (1901) | 27.0°F (1899) | 0.71 in (2000) |
| May 18 | 95.0°F (1901) | 21.9°F (1963) | 1.02 in (2017) |
| May 19 | 93.0°F (1954) | 27.0°F (1950) | 1.80 in (1935) |
| May 20 | 91.9°F (2009) | 30.0°F (1941) | 1.60 in (1908) |
| May 21 | 91.0°F (1958) | 25.0°F (1908) | 1.45 in (1952) |
| May 22 | 90.0°F (1932) | 27.0°F (1903) | 2.20 in (2008) |
| May 23 | 87.1°F (1926) | 26.1°F (1916) | 1.00 in (1908) |
| May 24 | 88.0°F (1926) | 30.0°F (2002) | 1.78 in (1939) |
| May 25 | 89.1°F (1922) | 30.9°F (1953) | 1.33 in (1915) |
| May 26 | 91.9°F (1934) | 33.1°F (1911) | 1.10 in (1929) |
| May 27 | 93.0°F (1934) | 30.0°F (1916) | 1.30 in (1931) |
| May 28 | 93.9°F (1934) | 30.0°F (1954) | 1.50 in (1903) |
| May 29 | 96.1°F (2003) | 30.9°F (1954) | 1.74 in (1924) |
| May 30 | 96.1°F (2003) | 30.9°F (1917) | 2.06 in (2011) |
| May 31 | 98.1°F (1936) | 30.9°F (1954) | 0.95 in (1930) |