July weather in St. Charles, ID
The average temperature in St. Charles in July is 66.0°F (51.0°F–81.0°F). Average precipitation: 0.57 inches.
July is a summer month in St. Charles, and is warmer than the annual average of 41°F. Daily temperatures swing about 30°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 14h 47m. For travel, July is a comfortable month to visit.
Avg High
81.0°F
Avg Low
51.0°F
Precipitation
0.57 in
Daylight
14h 47m
July records in St. Charles
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 91.9°F (2001) | 37.9°F (1945) | 0.32 in (1928) |
| July 2 | 91.0°F (2001) | 37.9°F (1955) | 0.44 in (1983) |
| July 3 | 93.0°F (2007) | 37.9°F (1921) | 0.40 in (1925) |
| July 4 | 93.9°F (2001) | 39.0°F (1969) | 0.30 in (1927) |
| July 5 | 93.0°F (1930) | 37.0°F (1927) | 0.36 in (1996) |
| July 6 | 93.0°F (1930) | 33.1°F (1994) | 0.36 in (2015) |
| July 7 | 93.9°F (2007) | 36.0°F (1928) | 0.25 in (1980) |
| July 8 | 93.9°F (1935) | 37.0°F (1929) | 0.90 in (1926) |
| July 9 | 91.9°F (1939) | 41.0°F (1929) | 1.07 in (1926) |
| July 10 | 91.9°F (1939) | 39.0°F (1946) | 0.31 in (1950) |
| July 11 | 93.9°F (1976) | 39.9°F (1993) | 0.54 in (1936) |
| July 12 | 95.0°F (2002) | 42.1°F (2016) | 0.82 in (1997) |
| July 13 | 97.0°F (2002) | 36.0°F (1993) | 0.84 in (1973) |
| July 14 | 97.0°F (2002) | 41.0°F (1970) | 0.62 in (1945) |
| July 15 | 95.0°F (1925) | 43.0°F (1948) | 1.85 in (1974) |
| July 16 | 95.0°F (1925) | 42.1°F (1927) | 0.22 in (2015) |
| July 17 | 93.9°F (1955) | 42.1°F (1939) | 0.84 in (1996) |
| July 18 | 95.0°F (2006) | 39.0°F (1993) | 0.47 in (1965) |
| July 19 | 96.1°F (1939) | 28.9°F (1987) | 0.45 in (1941) |
| July 20 | 96.1°F (1939) | 39.9°F (1930) | 0.62 in (1926) |
| July 21 | 97.0°F (1931) | 35.1°F (1949) | 0.47 in (1951) |
| July 22 | 96.1°F (1931) | 37.0°F (1954) | 0.73 in (1987) |
| July 23 | 95.0°F (2003) | 39.9°F (1954) | 0.42 in (2012) |
| July 24 | 98.1°F (2003) | 43.0°F (1926) | 0.51 in (1977) |
| July 25 | 97.0°F (1931) | 41.0°F (1993) | 0.60 in (1983) |
| July 26 | 96.1°F (1931) | 41.0°F (1949) | 1.04 in (2002) |
| July 27 | 99.0°F (1931) | 39.9°F (1963) | 0.69 in (1941) |
| July 28 | 99.0°F (1931) | 37.9°F (2015) | 0.57 in (2024) |
| July 29 | 95.0°F (1934) | 35.1°F (1992) | 1.54 in (1982) |
| July 30 | 98.1°F (1940) | 39.9°F (2015) | 0.50 in (2014) |
| July 31 | 93.0°F (1934) | 37.0°F (1995) | 0.92 in (1937) |