May weather in Newton, IA
The average temperature in Newton in May is 60.6°F (49.8°F–71.4°F). Average precipitation: 4.84 inches.
May is a spring month in Newton, and is warmer than the annual average of 48.6°F. Daily temperatures swing about 21.6°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 21m. For travel, May is a comfortable month to visit.
Avg High
71.4°F
Avg Low
49.8°F
Precipitation
4.84 in
Daylight
14h 21m
May records in Newton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (2007) | 30.0°F (1950) | 1.32 in (1973) |
| May 2 | 89.1°F (1968) | 28.9°F (1970) | 1.53 in (1993) |
| May 3 | 88.0°F (1949) | 28.0°F (2011) | 2.19 in (1987) |
| May 4 | 89.1°F (1952) | 28.0°F (2011) | 0.95 in (1895) |
| May 5 | 90.0°F (1962) | 32.0°F (2005) | 1.12 in (2003) |
| May 6 | 88.0°F (1966) | 30.0°F (1989) | 1.51 in (1948) |
| May 7 | 90.0°F (1966) | 32.0°F (1954) | 1.74 in (2007) |
| May 8 | 90.0°F (1963) | 33.1°F (1980) | 2.41 in (1962) |
| May 9 | 93.0°F (1895) | 32.0°F (1966) | 1.54 in (2003) |
| May 10 | 91.0°F (2022) | 28.0°F (1966) | 2.24 in (1996) |
| May 11 | 93.9°F (2011) | 34.0°F (1981) | 1.55 in (1970) |
| May 12 | 93.0°F (1956) | 32.0°F (1895) | 2.57 in (1966) |
| May 13 | 93.9°F (2022) | 32.0°F (1953) | 2.40 in (1974) |
| May 14 | 98.1°F (1986) | 32.0°F (1895) | 1.69 in (1974) |
| May 15 | 95.0°F (2013) | 32.0°F (1973) | 1.03 in (1899) |
| May 16 | 91.0°F (1894) | 34.0°F (1975) | 2.23 in (1991) |
| May 17 | 91.9°F (2019) | 36.0°F (2014) | 1.59 in (1986) |
| May 18 | 91.0°F (1997) | 37.9°F (2002) | 2.41 in (1974) |
| May 19 | 89.1°F (1975) | 32.0°F (1894) | 0.86 in (2000) |
| May 20 | 91.9°F (1998) | 36.0°F (1894) | 2.31 in (2024) |
| May 21 | 89.1°F (1962) | 35.1°F (1895) | 1.46 in (1959) |
| May 22 | 90.0°F (1956) | 32.0°F (1963) | 2.03 in (1952) |
| May 23 | 90.0°F (1967) | 33.1°F (1963) | 1.96 in (2004) |
| May 24 | 93.0°F (1967) | 37.9°F (1897) | 2.72 in (1966) |
| May 25 | 96.1°F (1967) | 35.1°F (1974) | 1.77 in (2011) |
| May 26 | 93.9°F (1967) | 36.0°F (1961) | 3.14 in (2013) |
| May 27 | 96.1°F (2018) | 39.0°F (1971) | 1.36 in (2000) |
| May 28 | 99.0°F (2018) | 37.0°F (1983) | 2.35 in (2013) |
| May 29 | 98.1°F (2018) | 37.9°F (1965) | 1.57 in (1962) |
| May 30 | 95.0°F (2018) | 39.0°F (1897) | 2.08 in (1991) |
| May 31 | 91.0°F (2010) | 36.0°F (1897) | 1.85 in (2000) |