May weather in St. Robert, MO
The average temperature in St. Robert in May is 65.4°F (53.9°F–76.8°F). Average precipitation: 5.18 inches.
May is a spring month in St. Robert, and is warmer than the annual average of 56.5°F. Daily temperatures swing about 22.9°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 14h 3m. For travel, May is a wet month.
Avg High
76.8°F
Avg Low
53.9°F
Precipitation
5.18 in
Daylight
14h 3m
May records in St. Robert
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 89.1°F (1959) | 24.1°F (1960) | 2.30 in (2019) |
| May 2 | 90.0°F (1952) | 25.0°F (1961) | 1.54 in (1954) |
| May 3 | 90.0°F (1952) | 24.1°F (1989) | 2.02 in (1990) |
| May 4 | 93.0°F (1952) | 27.0°F (1976) | 1.64 in (2017) |
| May 5 | 95.0°F (2014) | 28.9°F (1979) | 2.92 in (2022) |
| May 6 | 93.9°F (2014) | 28.0°F (1958) | 2.67 in (1975) |
| May 7 | 90.0°F (2014) | 26.1°F (1989) | 2.22 in (2003) |
| May 8 | 90.0°F (1966) | 28.9°F (1976) | 3.81 in (2002) |
| May 9 | 91.0°F (2000) | 25.0°F (1980) | 2.15 in (2009) |
| May 10 | 91.9°F (1963) | 28.9°F (1966) | 2.03 in (1950) |
| May 11 | 91.9°F (2022) | 30.9°F (1989) | 2.00 in (1979) |
| May 12 | 95.0°F (2022) | 25.0°F (1960) | 2.57 in (1991) |
| May 13 | 96.1°F (2022) | 28.0°F (1960) | 3.02 in (2002) |
| May 14 | 91.9°F (2022) | 33.1°F (1973) | 3.76 in (1967) |
| May 15 | 90.0°F (1944) | 30.9°F (1973) | 2.10 in (1956) |
| May 16 | 89.1°F (1944) | 32.0°F (1959) | 2.52 in (1990) |
| May 17 | 93.0°F (2001) | 30.9°F (1973) | 2.86 in (1959) |
| May 18 | 91.0°F (1964) | 35.1°F (1973) | 2.60 in (1943) |
| May 19 | 91.0°F (2001) | 36.0°F (2002) | 1.60 in (1950) |
| May 20 | 90.0°F (1975) | 32.0°F (1981) | 3.22 in (1951) |
| May 21 | 90.0°F (1962) | 33.1°F (1954) | 2.53 in (2018) |
| May 22 | 91.0°F (1953) | 39.0°F (1963) | 1.85 in (1989) |
| May 23 | 93.0°F (1960) | 33.1°F (1963) | 1.48 in (1968) |
| May 24 | 90.0°F (1953) | 35.1°F (1961) | 4.10 in (1946) |
| May 25 | 93.0°F (1953) | 37.0°F (1979) | 1.59 in (1968) |
| May 26 | 93.9°F (1953) | 33.1°F (1988) | 2.54 in (1990) |
| May 27 | 91.0°F (2018) | 30.0°F (1961) | 2.15 in (1959) |
| May 28 | 91.9°F (1942) | 37.0°F (1971) | 2.28 in (1964) |
| May 29 | 93.0°F (2018) | 34.0°F (1965) | 1.08 in (1945) |
| May 30 | 91.0°F (1942) | 32.0°F (1984) | 2.20 in (1981) |
| May 31 | 93.9°F (1953) | 35.1°F (1984) | 4.12 in (1956) |