May weather in Rockdale, WI
The average temperature in Rockdale in May is 58.3°F (47.5°F–69.1°F). Average precipitation: 4.13 inches. Average snowfall is 0.2 inches.
May is a spring month in Rockdale, and is warmer than the annual average of 47.3°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 28m. For travel, May is a comfortable month to visit.
Avg High
69.1°F
Avg Low
47.5°F
Precipitation
4.13 in
Snow
0.2 in
May records in Rockdale
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 88.0°F (1952) | 26.1°F (1961) | 1.25 in (2003) |
| May 2 | 87.1°F (1959) | 27.0°F (1966) | 1.30 in (1987) |
| May 3 | 86.0°F (1949) | 26.1°F (2004) | 1.00 in (1998) |
| May 4 | 90.0°F (1952) | 28.0°F (1954) | 2.08 in (2001) |
| May 5 | 89.1°F (1959) | 30.9°F (1968) | 0.76 in (2003) |
| May 6 | 87.1°F (1959) | 28.0°F (1970) | 1.38 in (1976) |
| May 7 | 84.9°F (1965) | 27.0°F (1989) | 2.15 in (1960) |
| May 8 | 84.9°F (1963) | 28.9°F (1947) | 1.27 in (2024) |
| May 9 | 88.0°F (2014) | 25.0°F (1966) | 1.25 in (2004) |
| May 10 | 88.0°F (1979) | 25.0°F (1966) | 1.52 in (1990) |
| May 11 | 91.0°F (2022) | 27.0°F (1981) | 1.63 in (1967) |
| May 12 | 93.0°F (2022) | 30.0°F (1960) | 1.08 in (2006) |
| May 13 | 93.9°F (2022) | 32.0°F (1953) | 2.75 in (2014) |
| May 14 | 93.9°F (2022) | 32.0°F (1964) | 1.88 in (1945) |
| May 15 | 89.1°F (2007) | 30.0°F (2016) | 0.87 in (1985) |
| May 16 | 90.0°F (2025) | 30.9°F (1957) | 0.95 in (1976) |
| May 17 | 90.0°F (1977) | 34.0°F (1973) | 1.87 in (1999) |
| May 18 | 90.0°F (1962) | 30.0°F (2002) | 1.91 in (2000) |
| May 19 | 90.0°F (1977) | 28.0°F (1981) | 1.22 in (2000) |
| May 20 | 91.9°F (1977) | 34.0°F (1954) | 0.68 in (1990) |
| May 21 | 91.0°F (1977) | 27.0°F (1997) | 1.37 in (2025) |
| May 22 | 89.1°F (1956) | 32.0°F (1961) | 3.59 in (2004) |
| May 23 | 87.1°F (1972) | 28.9°F (1958) | 1.38 in (1965) |
| May 24 | 91.0°F (2010) | 35.1°F (1956) | 1.28 in (1966) |
| May 25 | 93.9°F (2010) | 30.9°F (1988) | 1.65 in (2024) |
| May 26 | 90.0°F (1967) | 33.1°F (1961) | 0.67 in (1994) |
| May 27 | 91.0°F (1978) | 30.9°F (1992) | 1.26 in (2000) |
| May 28 | 96.1°F (2012) | 33.1°F (1949) | 1.25 in (2013) |
| May 29 | 95.0°F (2018) | 32.0°F (1984) | 1.59 in (1998) |
| May 30 | 91.9°F (2006) | 34.0°F (1996) | 1.36 in (1957) |
| May 31 | 91.0°F (2010) | 35.1°F (1966) | 1.36 in (1942) |