May weather in Evanston, WY
The average temperature in Evanston in May is 48.9°F (34.6°F–63.1°F). Average precipitation: 1.89 inches.
May is a spring month in Evanston, and is warmer than the annual average of 42°F. Daily temperatures swing about 28.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 14h 19m. For travel, May is cool.
Avg High
63.1°F
Avg Low
34.6°F
Precipitation
1.89 in
Daylight
14h 19m
May records in Evanston
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 77.0°F (1981) | 12.9°F (1972) | 0.51 in (1906) |
| May 2 | 77.0°F (1947) | 14.0°F (1913) | 0.59 in (1901) |
| May 3 | 78.1°F (1947) | 12.0°F (1953) | 0.77 in (1904) |
| May 4 | 80.1°F (1947) | 12.9°F (1964) | 1.00 in (1993) |
| May 5 | 79.0°F (1966) | 15.1°F (1961) | 0.59 in (1926) |
| May 6 | 78.1°F (1966) | 9.0°F (1965) | 0.85 in (2005) |
| May 7 | 78.1°F (1966) | 14.0°F (1938) | 0.61 in (2005) |
| May 8 | 75.9°F (1928) | 14.0°F (1933) | 0.58 in (1926) |
| May 9 | 75.9°F (2018) | 15.1°F (1930) | 1.60 in (2016) |
| May 10 | 77.0°F (2025) | 12.0°F (1916) | 2.00 in (1985) |
| May 11 | 77.0°F (1941) | 18.0°F (1916) | 0.60 in (2000) |
| May 12 | 80.1°F (1893) | 19.0°F (1916) | 0.44 in (1956) |
| May 13 | 80.1°F (1996) | 18.0°F (1983) | 1.09 in (1999) |
| May 14 | 79.0°F (2013) | 14.0°F (1916) | 0.50 in (1995) |
| May 15 | 84.9°F (1893) | 12.9°F (1916) | 0.73 in (1949) |
| May 16 | 84.9°F (1893) | 14.0°F (1955) | 0.70 in (1952) |
| May 17 | 84.0°F (1937) | 12.0°F (1906) | 0.52 in (1944) |
| May 18 | 88.0°F (1948) | 21.0°F (1902) | 0.54 in (1996) |
| May 19 | 84.0°F (1948) | 17.1°F (1931) | 1.02 in (1983) |
| May 20 | 82.9°F (1954) | 19.0°F (1939) | 0.90 in (1993) |
| May 21 | 82.9°F (1958) | 16.0°F (1959) | 0.90 in (2008) |
| May 22 | 82.9°F (1914) | 19.9°F (1975) | 0.70 in (2016) |
| May 23 | 80.1°F (1967) | 16.0°F (1966) | 0.82 in (1995) |
| May 24 | 77.0°F (1913) | 17.1°F (1960) | 1.95 in (1907) |
| May 25 | 80.1°F (2018) | 19.0°F (1975) | 0.86 in (1904) |
| May 26 | 82.0°F (1983) | 15.1°F (1950) | 0.69 in (2000) |
| May 27 | 82.0°F (1983) | 17.1°F (1929) | 0.52 in (1959) |
| May 28 | 84.0°F (2003) | 18.0°F (1954) | 0.79 in (1935) |
| May 29 | 84.9°F (2003) | 21.9°F (1927) | 0.91 in (1924) |
| May 30 | 84.9°F (2003) | 21.0°F (1927) | 2.63 in (1924) |
| May 31 | 84.0°F (1910) | 19.0°F (1924) | 1.45 in (1957) |