May weather in Weldon Spring, MO
The average temperature in Weldon Spring in May is 65.0°F (54.2°F–75.7°F). Average precipitation: 5.09 inches.
May is a spring month in Weldon Spring, and is warmer than the annual average of 55.2°F. Daily temperatures swing about 21.5°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 7m. For travel, May is a wet month.
Avg High
75.7°F
Avg Low
54.2°F
Precipitation
5.09 in
Daylight
14h 7m
May records in Weldon Spring
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1959) | 30.0°F (1963) | 3.68 in (2019) |
| May 2 | 88.0°F (1992) | 23.0°F (1982) | 1.35 in (2007) |
| May 3 | 91.0°F (1959) | 30.0°F (1989) | 1.56 in (2019) |
| May 4 | 91.9°F (1959) | 33.1°F (1976) | 2.88 in (2017) |
| May 5 | 91.9°F (1959) | 33.1°F (1979) | 1.21 in (2022) |
| May 6 | 90.0°F (1959) | 34.0°F (1978) | 1.36 in (2022) |
| May 7 | 89.1°F (2004) | 27.0°F (1989) | 4.00 in (2000) |
| May 8 | 91.0°F (2023) | 30.9°F (1976) | 3.35 in (1961) |
| May 9 | 90.0°F (1963) | 33.1°F (1983) | 1.03 in (1961) |
| May 10 | 90.0°F (1963) | 30.9°F (1989) | 1.85 in (1981) |
| May 11 | 90.0°F (2022) | 28.0°F (1989) | 1.34 in (2006) |
| May 12 | 93.0°F (2022) | 30.9°F (1960) | 1.65 in (2016) |
| May 13 | 93.0°F (2022) | 35.1°F (1960) | 2.46 in (2002) |
| May 14 | 90.0°F (1962) | 28.0°F (1989) | 2.52 in (1983) |
| May 15 | 93.0°F (2013) | 35.1°F (1989) | 1.59 in (2024) |
| May 16 | 90.0°F (2013) | 34.0°F (1959) | 2.22 in (1990) |
| May 17 | 91.0°F (2001) | 37.9°F (1983) | 2.10 in (1995) |
| May 18 | 90.0°F (1962) | 37.0°F (2002) | 4.02 in (1959) |
| May 19 | 91.0°F (1964) | 37.9°F (1976) | 2.63 in (2004) |
| May 20 | 90.0°F (1962) | 36.0°F (1981) | 1.69 in (2017) |
| May 21 | 89.1°F (1975) | 36.0°F (1981) | 3.42 in (2013) |
| May 22 | 90.0°F (1964) | 39.9°F (1963) | 2.02 in (1983) |
| May 23 | 90.0°F (1964) | 33.1°F (1963) | 1.43 in (1971) |
| May 24 | 90.0°F (2010) | 37.9°F (1961) | 0.91 in (1971) |
| May 25 | 90.0°F (2010) | 37.0°F (1979) | 1.40 in (1997) |
| May 26 | 91.0°F (1967) | 39.0°F (1961) | 2.17 in (2004) |
| May 27 | 91.9°F (2012) | 35.1°F (1961) | 1.64 in (1982) |
| May 28 | 91.9°F (2018) | 37.9°F (1992) | 1.98 in (1964) |
| May 29 | 93.0°F (2018) | 35.1°F (1965) | 1.88 in (1982) |
| May 30 | 91.0°F (2011) | 37.0°F (1984) | 1.34 in (1976) |
| May 31 | 91.0°F (2000) | 41.0°F (1984) | 2.45 in (2008) |