May weather in Westfield, WI
The average temperature in Westfield in May is 57.4°F (46.2°F–68.5°F). Average precipitation: 4.44 inches.
May is a spring month in Westfield, and is warmer than the annual average of 45.6°F. Daily temperatures swing about 22.3°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 14h 33m. For travel, May is a comfortable month to visit.
Avg High
68.5°F
Avg Low
46.2°F
Precipitation
4.44 in
Daylight
14h 33m
May records in Westfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 88.0°F (2013) | 25.0°F (1978) | 1.60 in (2010) |
| May 2 | 91.9°F (1959) | 27.0°F (1966) | 1.76 in (2018) |
| May 3 | 89.1°F (1959) | 25.0°F (1967) | 2.80 in (2012) |
| May 4 | 88.0°F (1959) | 26.1°F (2005) | 2.18 in (2018) |
| May 5 | 90.0°F (1959) | 26.1°F (1958) | 1.00 in (1960) |
| May 6 | 86.0°F (1959) | 26.1°F (1970) | 2.59 in (1960) |
| May 7 | 89.1°F (2016) | 25.0°F (1989) | 1.44 in (2012) |
| May 8 | 84.9°F (1963) | 27.0°F (1989) | 1.00 in (2004) |
| May 9 | 84.9°F (2000) | 21.9°F (1966) | 1.32 in (1995) |
| May 10 | 84.9°F (1987) | 28.9°F (1966) | 2.44 in (1990) |
| May 11 | 91.0°F (2022) | 28.9°F (1963) | 1.00 in (2001) |
| May 12 | 86.0°F (1991) | 26.1°F (1967) | 1.42 in (2006) |
| May 13 | 95.0°F (2022) | 28.0°F (1996) | 1.61 in (1974) |
| May 14 | 93.9°F (2022) | 32.0°F (1964) | 2.15 in (1978) |
| May 15 | 89.1°F (1991) | 28.0°F (2016) | 1.32 in (1985) |
| May 16 | 89.1°F (1962) | 28.0°F (1997) | 1.15 in (2017) |
| May 17 | 88.0°F (1962) | 28.9°F (1983) | 1.70 in (1992) |
| May 18 | 89.1°F (1962) | 28.9°F (2002) | 3.25 in (2020) |
| May 19 | 90.0°F (1998) | 30.9°F (2008) | 1.33 in (1959) |
| May 20 | 91.0°F (1998) | 30.9°F (2000) | 2.01 in (2004) |
| May 21 | 88.0°F (1970) | 28.9°F (2002) | 1.45 in (2025) |
| May 22 | 91.0°F (1975) | 27.0°F (1967) | 2.45 in (2004) |
| May 23 | 90.0°F (1975) | 30.0°F (1963) | 1.55 in (2013) |
| May 24 | 89.1°F (2010) | 34.0°F (1956) | 1.51 in (1955) |
| May 25 | 91.9°F (2010) | 30.0°F (1988) | 1.21 in (1989) |
| May 26 | 93.0°F (1967) | 33.1°F (1961) | 1.44 in (2011) |
| May 27 | 95.0°F (2018) | 30.9°F (1992) | 2.48 in (2015) |
| May 28 | 95.0°F (2018) | 30.9°F (2008) | 2.35 in (1995) |
| May 29 | 93.9°F (2018) | 28.9°F (1965) | 1.55 in (2020) |
| May 30 | 91.9°F (2018) | 30.9°F (1996) | 2.27 in (1989) |
| May 31 | 91.0°F (2010) | 37.9°F (1966) | 1.49 in (2004) |