July weather in Charter Oak, IA
The average temperature in Charter Oak in July is 73.1°F (62.2°F–84.0°F). Average precipitation: 4.18 inches.
July is a summer month in Charter Oak, and is warmer than the annual average of 47.2°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 14h 47m. For travel, July is a comfortable month to visit.
Avg High
84.0°F
Avg Low
62.2°F
Precipitation
4.18 in
Daylight
14h 47m
July records in Charter Oak
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 96.1°F (1938) | 45.0°F (1995) | 1.51 in (2014) |
| July 2 | 95.0°F (1974) | 45.0°F (1945) | 2.16 in (1958) |
| July 3 | 99.0°F (1990) | 46.0°F (1968) | 1.70 in (1981) |
| July 4 | 98.1°F (1990) | 45.0°F (1967) | 1.38 in (2022) |
| July 5 | 100.0°F (1948) | 43.0°F (1972) | 2.26 in (2023) |
| July 6 | 100.0°F (1948) | 50.0°F (1972) | 3.55 in (1982) |
| July 7 | 99.0°F (2012) | 48.9°F (1960) | 1.82 in (1952) |
| July 8 | 97.0°F (1984) | 48.0°F (1953) | 1.70 in (1962) |
| July 9 | 99.0°F (1941) | 46.9°F (1953) | 3.99 in (1993) |
| July 10 | 98.1°F (1989) | 46.0°F (1996) | 1.88 in (2020) |
| July 11 | 102.0°F (1939) | 48.0°F (1945) | 1.90 in (2025) |
| July 12 | 100.0°F (1939) | 51.1°F (1975) | 1.73 in (1960) |
| July 13 | 99.0°F (1954) | 46.9°F (1975) | 2.55 in (2009) |
| July 14 | 100.9°F (1980) | 45.0°F (1967) | 2.10 in (1952) |
| July 15 | 97.0°F (1942) | 48.0°F (1967) | 3.57 in (1995) |
| July 16 | 98.1°F (1942) | 46.9°F (2014) | 1.03 in (2015) |
| July 17 | 100.9°F (2006) | 48.9°F (2014) | 9.77 in (1996) |
| July 18 | 100.9°F (1940) | 48.0°F (1979) | 0.92 in (1999) |
| July 19 | 100.9°F (1940) | 46.0°F (1947) | 2.33 in (2007) |
| July 20 | 105.1°F (2006) | 50.0°F (1970) | 1.58 in (1962) |
| July 21 | 100.9°F (2002) | 45.0°F (1944) | 3.95 in (1977) |
| July 22 | 100.0°F (1941) | 50.0°F (1947) | 2.69 in (2010) |
| July 23 | 102.0°F (1941) | 50.0°F (1948) | 1.01 in (1997) |
| July 24 | 104.0°F (1940) | 51.1°F (2013) | 1.60 in (2025) |
| July 25 | 102.0°F (1941) | 45.0°F (2004) | 2.30 in (1981) |
| July 26 | 100.0°F (1956) | 45.0°F (2004) | 1.06 in (2015) |
| July 27 | 100.9°F (1939) | 46.9°F (2013) | 1.92 in (2003) |
| July 28 | 98.1°F (1955) | 42.1°F (2013) | 2.86 in (2015) |
| July 29 | 106.0°F (1947) | 42.1°F (2013) | 2.05 in (1940) |
| July 30 | 102.9°F (1955) | 42.1°F (1971) | 2.04 in (2025) |
| July 31 | 105.1°F (1955) | 44.1°F (1971) | 3.05 in (2010) |