May weather in Jackson, WY
The average temperature in Jackson in May is 45.9°F (31.5°F–60.3°F). Average precipitation: 1.83 inches. Average snowfall is 0.6 inches.
May is a spring month in Jackson, and is warmer than the annual average of 38°F. Daily temperatures swing about 28.8°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 31m. For travel, May is cool.
Avg High
60.3°F
Avg Low
31.5°F
Precipitation
1.83 in
Snow
0.6 in
May records in Jackson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 79.0°F (1985) | 12.0°F (1972) | 0.78 in (1988) |
| May 2 | 79.0°F (1985) | 5.0°F (1988) | 1.00 in (1905) |
| May 3 | 79.0°F (1947) | 12.9°F (1946) | 0.46 in (1999) |
| May 4 | 80.1°F (1947) | 10.9°F (2001) | 0.65 in (1993) |
| May 5 | 78.1°F (1966) | 12.9°F (1982) | 0.73 in (1994) |
| May 6 | 79.0°F (1934) | 14.0°F (1985) | 0.75 in (1993) |
| May 7 | 82.0°F (1934) | 15.1°F (1959) | 0.54 in (1986) |
| May 8 | 78.1°F (1992) | 18.0°F (1959) | 0.98 in (2000) |
| May 9 | 77.0°F (1954) | 12.0°F (2021) | 1.78 in (2011) |
| May 10 | 78.1°F (1940) | 14.0°F (1992) | 1.01 in (1966) |
| May 11 | 82.0°F (1960) | 14.0°F (1943) | 0.76 in (2005) |
| May 12 | 80.1°F (1941) | 14.0°F (1986) | 0.71 in (1907) |
| May 13 | 80.1°F (2001) | 12.9°F (1943) | 0.63 in (2018) |
| May 14 | 78.1°F (1936) | 16.0°F (1985) | 0.38 in (1923) |
| May 15 | 80.1°F (2006) | 14.0°F (1943) | 0.40 in (1959) |
| May 16 | 82.9°F (1927) | 17.1°F (1955) | 0.85 in (1996) |
| May 17 | 84.0°F (1927) | 17.1°F (1986) | 0.77 in (1980) |
| May 18 | 84.9°F (1927) | 17.1°F (1943) | 1.18 in (2025) |
| May 19 | 82.9°F (1954) | 15.1°F (2003) | 0.50 in (1972) |
| May 20 | 82.9°F (1948) | 14.0°F (1950) | 0.57 in (1996) |
| May 21 | 84.0°F (1934) | 12.9°F (1975) | 0.88 in (1954) |
| May 22 | 82.0°F (1934) | 19.9°F (1918) | 1.25 in (2021) |
| May 23 | 84.9°F (1934) | 12.9°F (1986) | 0.80 in (2021) |
| May 24 | 84.0°F (1934) | 19.0°F (1966) | 1.56 in (1980) |
| May 25 | 84.0°F (1934) | 16.0°F (1975) | 0.76 in (1922) |
| May 26 | 82.0°F (2003) | 18.0°F (1989) | 0.62 in (1991) |
| May 27 | 81.0°F (1966) | 14.0°F (1906) | 0.76 in (1941) |
| May 28 | 88.0°F (2003) | 19.9°F (1950) | 1.00 in (1906) |
| May 29 | 90.0°F (2003) | 19.9°F (1947) | 0.60 in (1967) |
| May 30 | 89.1°F (2003) | 16.0°F (1979) | 0.62 in (1918) |
| May 31 | 84.0°F (2002) | 19.0°F (1979) | 0.81 in (1999) |