May weather in Beaver Dam, WI
The average temperature in Beaver Dam in May is 56.1°F (45.7°F–66.5°F). Average precipitation: 4.05 inches.
May is a spring month in Beaver Dam, and is warmer than the annual average of 44.9°F. Daily temperatures swing about 20.8°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 31m. For travel, May is a comfortable month to visit.
Avg High
66.5°F
Avg Low
45.7°F
Precipitation
4.05 in
Snow
0.1 in
May records in Beaver Dam
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (2007) | 25.0°F (1963) | 1.16 in (2003) |
| May 2 | 90.0°F (2021) | 24.1°F (1895) | 1.21 in (1973) |
| May 3 | 84.9°F (1955) | 24.1°F (1971) | 0.69 in (2018) |
| May 4 | 88.0°F (1959) | 27.0°F (2005) | 1.80 in (2018) |
| May 5 | 88.0°F (1959) | 25.0°F (1957) | 0.70 in (2003) |
| May 6 | 86.0°F (1959) | 24.1°F (1970) | 2.13 in (1960) |
| May 7 | 84.9°F (1895) | 24.1°F (1970) | 1.32 in (1960) |
| May 8 | 84.9°F (1953) | 28.0°F (1954) | 0.96 in (2004) |
| May 9 | 87.1°F (1895) | 24.1°F (1966) | 1.74 in (2009) |
| May 10 | 88.0°F (1895) | 23.0°F (1966) | 2.28 in (2013) |
| May 11 | 88.0°F (2022) | 32.0°F (1966) | 1.20 in (1959) |
| May 12 | 87.1°F (2022) | 28.9°F (1954) | 1.40 in (1978) |
| May 13 | 91.0°F (2022) | 28.0°F (1953) | 3.82 in (1978) |
| May 14 | 91.0°F (2022) | 28.0°F (1895) | 2.02 in (2009) |
| May 15 | 86.0°F (1977) | 30.0°F (2016) | 0.90 in (1985) |
| May 16 | 88.0°F (1977) | 30.9°F (1895) | 0.82 in (2017) |
| May 17 | 87.1°F (1977) | 28.9°F (1983) | 1.37 in (1999) |
| May 18 | 90.0°F (1977) | 30.0°F (1894) | 3.00 in (1894) |
| May 19 | 91.0°F (1977) | 30.9°F (1895) | 0.81 in (1955) |
| May 20 | 90.0°F (1975) | 32.0°F (1895) | 1.77 in (2004) |
| May 21 | 89.1°F (1972) | 27.0°F (2025) | 1.34 in (2025) |
| May 22 | 88.0°F (1975) | 32.0°F (1971) | 2.75 in (2004) |
| May 23 | 90.0°F (1975) | 26.1°F (1963) | 1.79 in (2013) |
| May 24 | 90.0°F (1977) | 32.0°F (1963) | 3.14 in (1966) |
| May 25 | 91.9°F (2010) | 32.0°F (1992) | 1.92 in (2019) |
| May 26 | 90.0°F (1978) | 33.1°F (1983) | 1.59 in (2022) |
| May 27 | 91.9°F (1978) | 30.0°F (1961) | 0.73 in (2024) |
| May 28 | 91.9°F (2018) | 34.0°F (2008) | 1.07 in (1995) |
| May 29 | 98.1°F (1895) | 32.0°F (1965) | 2.00 in (2020) |
| May 30 | 91.0°F (2018) | 33.1°F (1965) | 1.83 in (1989) |
| May 31 | 91.0°F (2018) | 37.0°F (1894) | 1.40 in (2004) |