May weather in Upton, WY
The average temperature in Upton in May is 52.5°F (39.6°F–65.3°F). Average precipitation: 2.83 inches. Average snowfall is 0.7 inches.
May is a spring month in Upton, and is warmer than the annual average of 44.8°F. Daily temperatures swing about 25.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 14h 34m. For travel, May is a comfortable month to visit.
Avg High
65.3°F
Avg Low
39.6°F
Precipitation
2.83 in
Snow
0.7 in
May records in Upton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (1959) | 15.1°F (1967) | 1.10 in (2008) |
| May 2 | 84.0°F (1952) | 16.0°F (2005) | 0.92 in (1915) |
| May 3 | 90.0°F (1952) | 5.0°F (1954) | 1.25 in (1955) |
| May 4 | 86.0°F (1966) | 21.0°F (1967) | 0.54 in (2012) |
| May 5 | 89.1°F (1926) | 19.9°F (1967) | 1.01 in (1993) |
| May 6 | 84.9°F (1966) | 21.9°F (1915) | 1.03 in (2014) |
| May 7 | 87.1°F (1992) | 21.9°F (1915) | 1.93 in (1950) |
| May 8 | 89.1°F (1928) | 12.9°F (1924) | 1.78 in (2005) |
| May 9 | 88.0°F (1928) | 19.9°F (1968) | 1.30 in (1986) |
| May 10 | 82.9°F (1987) | 15.1°F (1927) | 1.50 in (2010) |
| May 11 | 84.9°F (2025) | 14.0°F (1968) | 1.56 in (1922) |
| May 12 | 91.0°F (2025) | 17.1°F (1953) | 0.87 in (2023) |
| May 13 | 93.0°F (1988) | 19.0°F (1924) | 0.72 in (1994) |
| May 14 | 88.0°F (2013) | 21.9°F (1983) | 1.20 in (1970) |
| May 15 | 89.1°F (1978) | 23.0°F (2016) | 1.08 in (1952) |
| May 16 | 91.0°F (2012) | 19.9°F (1921) | 0.73 in (1949) |
| May 17 | 88.0°F (1988) | 27.0°F (1968) | 1.38 in (1955) |
| May 18 | 90.0°F (1992) | 28.9°F (1915) | 1.85 in (1978) |
| May 19 | 93.0°F (2009) | 21.0°F (1963) | 1.41 in (2025) |
| May 20 | 91.9°F (1954) | 17.1°F (2019) | 0.92 in (1990) |
| May 21 | 89.1°F (1954) | 21.0°F (2022) | 0.67 in (1952) |
| May 22 | 88.0°F (1980) | 21.9°F (1915) | 1.29 in (1968) |
| May 23 | 88.0°F (1989) | 21.0°F (2022) | 1.40 in (2006) |
| May 24 | 91.9°F (1926) | 16.0°F (2022) | 1.98 in (2008) |
| May 25 | 89.1°F (1926) | 28.9°F (1975) | 0.91 in (1962) |
| May 26 | 91.0°F (1969) | 28.9°F (1984) | 1.37 in (1963) |
| May 27 | 95.0°F (1969) | 24.1°F (1924) | 0.91 in (2023) |
| May 28 | 91.0°F (2003) | 27.0°F (1924) | 1.95 in (2001) |
| May 29 | 93.0°F (1958) | 28.0°F (1982) | 0.94 in (2011) |
| May 30 | 89.1°F (1928) | 28.9°F (1973) | 1.70 in (2013) |
| May 31 | 86.0°F (1986) | 25.0°F (1974) | 1.54 in (1927) |