July weather in St. Martins, MO
The average temperature in St. Martins in July is 78.3°F (68.6°F–88.0°F). Average precipitation: 4.35 inches.
July is a summer month in St. Martins, and is warmer than the annual average of 55.4°F. Daily temperatures swing about 19.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 27m. For travel, July is hot.
Avg High
88.0°F
Avg Low
68.6°F
Precipitation
4.35 in
Daylight
14h 27m
July records in St. Martins
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 104.0°F (1901) | 48.0°F (1959) | 1.85 in (1993) |
| July 2 | 108.0°F (1980) | 46.0°F (1959) | 1.60 in (2015) |
| July 3 | 105.1°F (1901) | 46.9°F (1959) | 3.22 in (2008) |
| July 4 | 105.1°F (1911) | 46.0°F (1967) | 2.27 in (2024) |
| July 5 | 109.0°F (1911) | 46.0°F (1972) | 2.58 in (1942) |
| July 6 | 102.9°F (1901) | 44.1°F (1972) | 5.00 in (1895) |
| July 7 | 102.9°F (1936) | 50.0°F (1967) | 7.41 in (1993) |
| July 8 | 105.1°F (1936) | 53.1°F (1908) | 1.95 in (2016) |
| July 9 | 107.1°F (1901) | 51.1°F (1899) | 2.75 in (1926) |
| July 10 | 109.0°F (1901) | 50.0°F (1959) | 3.40 in (1991) |
| July 11 | 107.1°F (1901) | 51.1°F (1953) | 3.30 in (1941) |
| July 12 | 114.1°F (1901) | 48.9°F (1959) | 1.14 in (2001) |
| July 13 | 109.9°F (1936) | 45.0°F (1975) | 1.50 in (1960) |
| July 14 | 111.9°F (1936) | 42.1°F (1967) | 1.70 in (1924) |
| July 15 | 109.9°F (1936) | 43.0°F (1967) | 2.16 in (1927) |
| July 16 | 108.0°F (1936) | 43.0°F (1967) | 2.70 in (1923) |
| July 17 | 106.0°F (1954) | 50.0°F (1967) | 2.08 in (2023) |
| July 18 | 111.0°F (1954) | 51.1°F (1911) | 1.20 in (1922) |
| July 19 | 111.0°F (1934) | 54.0°F (1910) | 2.00 in (1902) |
| July 20 | 111.0°F (1934) | 54.0°F (1910) | 3.65 in (2020) |
| July 21 | 109.9°F (1901) | 46.9°F (1970) | 2.46 in (1996) |
| July 22 | 113.0°F (1901) | 46.9°F (1947) | 1.54 in (2013) |
| July 23 | 109.9°F (1901) | 46.0°F (1947) | 1.84 in (1981) |
| July 24 | 111.9°F (1934) | 51.1°F (1947) | 1.65 in (1933) |
| July 25 | 111.9°F (1934) | 52.0°F (1905) | 3.18 in (2004) |
| July 26 | 106.0°F (1914) | 46.9°F (1911) | 1.95 in (1948) |
| July 27 | 107.1°F (1936) | 43.0°F (1962) | 2.38 in (1957) |
| July 28 | 104.0°F (1930) | 54.0°F (2004) | 1.84 in (1946) |
| July 29 | 104.0°F (1913) | 53.1°F (1965) | 2.09 in (2000) |
| July 30 | 105.1°F (1999) | 50.0°F (1974) | 2.50 in (1923) |
| July 31 | 109.9°F (1980) | 52.0°F (1960) | 2.74 in (1989) |