May weather in Afton, WY
The average temperature in Afton in May is 46.7°F (33.1°F–60.4°F). Average precipitation: 2.36 inches. Average snowfall is 0.8 inches.
May is a spring month in Afton, and is warmer than the annual average of 38.5°F. Daily temperatures swing about 27.3°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 27m. For travel, May is cool.
Avg High
60.4°F
Avg Low
33.1°F
Precipitation
2.36 in
Snow
0.8 in
May records in Afton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 75.9°F (1981) | 14.0°F (1972) | 0.56 in (1973) |
| May 2 | 78.1°F (1971) | 9.0°F (1988) | 0.43 in (2009) |
| May 3 | 75.0°F (1966) | 16.0°F (2013) | 0.59 in (2022) |
| May 4 | 78.1°F (1966) | 18.0°F (1964) | 0.41 in (1967) |
| May 5 | 82.0°F (1966) | 14.0°F (1982) | 0.48 in (2023) |
| May 6 | 78.1°F (1966) | 16.0°F (1982) | 0.84 in (1993) |
| May 7 | 75.9°F (1964) | 19.0°F (1965) | 1.02 in (1975) |
| May 8 | 77.0°F (1987) | 19.0°F (1979) | 0.66 in (2015) |
| May 9 | 73.9°F (1962) | 19.0°F (2002) | 0.43 in (2008) |
| May 10 | 77.0°F (1960) | 19.0°F (1983) | 1.60 in (1966) |
| May 11 | 80.1°F (1960) | 15.1°F (1999) | 0.50 in (2015) |
| May 12 | 78.1°F (1960) | 18.0°F (1999) | 0.95 in (1957) |
| May 13 | 79.0°F (1996) | 19.9°F (1983) | 0.72 in (2018) |
| May 14 | 82.0°F (2001) | 21.0°F (1960) | 0.91 in (1957) |
| May 15 | 79.0°F (1987) | 21.9°F (1974) | 0.48 in (1981) |
| May 16 | 80.1°F (1988) | 23.0°F (1974) | 0.46 in (2001) |
| May 17 | 78.1°F (1988) | 21.9°F (1986) | 0.87 in (1987) |
| May 18 | 82.0°F (2009) | 21.9°F (1965) | 0.94 in (1996) |
| May 19 | 82.0°F (1964) | 19.9°F (1989) | 0.42 in (1957) |
| May 20 | 81.0°F (1958) | 24.1°F (1988) | 0.69 in (2016) |
| May 21 | 79.0°F (1958) | 23.0°F (1989) | 0.96 in (2008) |
| May 22 | 78.1°F (1967) | 24.1°F (1960) | 1.06 in (2019) |
| May 23 | 81.0°F (1967) | 18.0°F (1966) | 0.93 in (2021) |
| May 24 | 84.9°F (1969) | 25.0°F (1966) | 0.80 in (1997) |
| May 25 | 82.0°F (1969) | 18.0°F (1975) | 0.72 in (1973) |
| May 26 | 80.1°F (1958) | 18.0°F (1975) | 0.68 in (2008) |
| May 27 | 81.0°F (2003) | 21.0°F (1975) | 0.72 in (1964) |
| May 28 | 82.0°F (2003) | 21.9°F (1991) | 0.46 in (2004) |
| May 29 | 84.9°F (1963) | 19.9°F (1982) | 0.61 in (1962) |
| May 30 | 87.1°F (2003) | 19.0°F (1982) | 0.60 in (1971) |
| May 31 | 82.9°F (2002) | 21.0°F (1982) | 0.41 in (1989) |