May weather in Green River, WY
The average temperature in Green River in May is 51.9°F (37.6°F–66.2°F). Average precipitation: 1.67 inches. Average snowfall is 0.9 inches.
May is a spring month in Green River, and is warmer than the annual average of 44.1°F. Daily temperatures swing about 28.6°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 20m. For travel, May is cool.
Avg High
66.2°F
Avg Low
37.6°F
Precipitation
1.67 in
Snow
0.9 in
May records in Green River
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 88.0°F (1940) | 12.9°F (1972) | 0.72 in (1914) |
| May 2 | 81.0°F (1981) | 17.1°F (1972) | 0.67 in (1905) |
| May 3 | 84.9°F (1947) | 19.0°F (1999) | 0.87 in (1950) |
| May 4 | 86.0°F (1911) | 19.0°F (1964) | 0.61 in (1998) |
| May 5 | 84.9°F (1918) | 19.0°F (1982) | 0.38 in (1961) |
| May 6 | 87.1°F (2017) | 19.0°F (1917) | 0.55 in (1949) |
| May 7 | 84.0°F (1992) | 19.9°F (1938) | 1.55 in (2016) |
| May 8 | 87.1°F (1934) | 21.0°F (1990) | 2.11 in (1921) |
| May 9 | 86.0°F (1934) | 16.0°F (2002) | 0.80 in (1999) |
| May 10 | 82.0°F (1906) | 9.0°F (2015) | 0.60 in (1992) |
| May 11 | 84.9°F (2007) | 19.0°F (1999) | 0.55 in (1947) |
| May 12 | 86.0°F (1940) | 21.9°F (1979) | 1.61 in (2018) |
| May 13 | 87.1°F (1941) | 21.9°F (1985) | 0.68 in (1999) |
| May 14 | 86.0°F (2013) | 18.0°F (1916) | 0.50 in (1958) |
| May 15 | 87.1°F (1936) | 21.0°F (1999) | 0.75 in (1923) |
| May 16 | 84.9°F (1988) | 21.0°F (1916) | 1.57 in (1952) |
| May 17 | 87.1°F (2022) | 23.0°F (1986) | 1.34 in (1949) |
| May 18 | 87.1°F (2009) | 24.1°F (1971) | 1.50 in (1944) |
| May 19 | 87.1°F (1934) | 24.1°F (2003) | 0.61 in (1935) |
| May 20 | 88.0°F (2008) | 19.9°F (1974) | 0.89 in (1975) |
| May 21 | 89.1°F (1954) | 21.0°F (2001) | 0.79 in (2007) |
| May 22 | 90.0°F (1906) | 24.1°F (1971) | 0.82 in (1923) |
| May 23 | 86.0°F (1934) | 19.0°F (1916) | 0.62 in (1991) |
| May 24 | 88.0°F (2005) | 27.0°F (2024) | 1.30 in (1906) |
| May 25 | 88.0°F (1934) | 27.0°F (1953) | 0.50 in (2015) |
| May 26 | 89.1°F (2003) | 21.9°F (1950) | 0.47 in (1929) |
| May 27 | 93.9°F (2003) | 21.9°F (1973) | 0.65 in (1995) |
| May 28 | 88.0°F (1919) | 24.1°F (1911) | 0.70 in (1947) |
| May 29 | 90.0°F (1934) | 23.0°F (1982) | 0.40 in (2011) |
| May 30 | 93.9°F (1983) | 19.9°F (1927) | 0.80 in (2011) |
| May 31 | 93.9°F (2002) | 25.0°F (1920) | 1.15 in (1912) |