May weather in New Vienna, IA
The average temperature in New Vienna in May is 60.5°F (50.0°F–71.0°F). Average precipitation: 4.58 inches.
May is a spring month in New Vienna, and is warmer than the annual average of 48.5°F. Daily temperatures swing about 21°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 26m. For travel, May is a comfortable month to visit.
Avg High
71.0°F
Avg Low
50.0°F
Precipitation
4.58 in
Daylight
14h 26m
May records in New Vienna
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 87.1°F (1952) | 28.0°F (1950) | 1.05 in (2003) |
| May 2 | 91.0°F (2021) | 30.0°F (1961) | 1.35 in (1993) |
| May 3 | 89.1°F (1949) | 27.0°F (2005) | 2.03 in (2001) |
| May 4 | 90.0°F (1952) | 30.9°F (1954) | 1.47 in (1955) |
| May 5 | 91.9°F (1949) | 34.0°F (1954) | 0.86 in (1982) |
| May 6 | 90.0°F (2016) | 28.0°F (1989) | 1.02 in (1960) |
| May 7 | 84.9°F (2000) | 30.9°F (1954) | 1.70 in (1960) |
| May 8 | 88.0°F (1963) | 30.9°F (1960) | 0.97 in (1997) |
| May 9 | 87.1°F (1979) | 30.0°F (2020) | 1.32 in (1990) |
| May 10 | 89.1°F (2011) | 1.0°F (1996) | 1.42 in (1957) |
| May 11 | 91.0°F (2011) | 34.0°F (1966) | 1.05 in (2001) |
| May 12 | 89.1°F (2022) | 32.0°F (1960) | 1.11 in (1962) |
| May 13 | 93.9°F (2022) | 33.1°F (1953) | 2.24 in (2010) |
| May 14 | 95.0°F (2013) | 34.0°F (1980) | 1.55 in (1945) |
| May 15 | 91.9°F (2001) | 34.0°F (1973) | 1.77 in (2023) |
| May 16 | 89.1°F (2025) | 34.0°F (1997) | 1.00 in (1943) |
| May 17 | 89.1°F (1987) | 36.0°F (1973) | 3.30 in (1999) |
| May 18 | 91.9°F (1998) | 37.0°F (2002) | 0.80 in (1999) |
| May 19 | 90.0°F (1975) | 36.0°F (2002) | 1.60 in (1971) |
| May 20 | 89.1°F (1948) | 37.9°F (1997) | 1.93 in (1974) |
| May 21 | 89.1°F (1970) | 36.0°F (2002) | 2.34 in (2001) |
| May 22 | 91.0°F (1956) | 36.0°F (1963) | 2.87 in (2004) |
| May 23 | 90.0°F (2010) | 34.0°F (1963) | 1.96 in (2004) |
| May 24 | 93.0°F (2010) | 41.0°F (1979) | 2.74 in (1998) |
| May 25 | 89.1°F (1977) | 39.9°F (1974) | 1.50 in (1950) |
| May 26 | 91.9°F (1967) | 35.1°F (1961) | 1.33 in (1991) |
| May 27 | 93.0°F (2012) | 35.1°F (1971) | 1.43 in (1941) |
| May 28 | 95.0°F (1998) | 37.0°F (1965) | 1.82 in (1954) |
| May 29 | 93.0°F (2006) | 36.0°F (1965) | 3.80 in (2020) |
| May 30 | 93.9°F (1953) | 39.9°F (2021) | 2.63 in (2013) |
| May 31 | 90.0°F (1986) | 39.9°F (1972) | 1.25 in (2004) |