July weather in Savanna, IL
The average temperature in Savanna in July is 72.6°F (60.4°F–84.9°F). Average precipitation: 4.89 inches.
July is a summer month in Savanna, and is warmer than the annual average of 48.5°F. Daily temperatures swing about 24.5°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 14h 47m. For travel, July is a comfortable month to visit.
Avg High
84.9°F
Avg Low
60.4°F
Precipitation
4.89 in
Daylight
14h 47m
July records in Savanna
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 102.0°F (1931) | 37.9°F (1988) | 1.61 in (2014) |
| July 2 | 99.0°F (1901) | 35.1°F (1904) | 1.51 in (1900) |
| July 3 | 102.9°F (1911) | 41.0°F (1915) | 3.05 in (1903) |
| July 4 | 102.0°F (1901) | 44.1°F (1967) | 1.32 in (2007) |
| July 5 | 102.9°F (1911) | 42.1°F (1979) | 1.36 in (1995) |
| July 6 | 99.0°F (1936) | 42.1°F (1967) | 2.40 in (2016) |
| July 7 | 102.0°F (2012) | 39.0°F (1984) | 2.93 in (1915) |
| July 8 | 102.9°F (2012) | 41.0°F (1901) | 2.96 in (1951) |
| July 9 | 100.9°F (1901) | 41.0°F (1900) | 1.45 in (1959) |
| July 10 | 104.0°F (1901) | 43.0°F (1898) | 3.12 in (2000) |
| July 11 | 105.1°F (1936) | 41.0°F (1898) | 2.28 in (2025) |
| July 12 | 108.0°F (1936) | 45.0°F (1898) | 1.87 in (2025) |
| July 13 | 105.1°F (1936) | 44.1°F (1940) | 3.29 in (1957) |
| July 14 | 107.1°F (1936) | 44.1°F (1926) | 1.81 in (1979) |
| July 15 | 100.0°F (1901) | 42.1°F (1930) | 3.20 in (1985) |
| July 16 | 105.1°F (1901) | 44.1°F (1930) | 2.63 in (2022) |
| July 17 | 100.9°F (1936) | 42.1°F (1976) | 2.50 in (1908) |
| July 18 | 99.0°F (1916) | 44.1°F (1924) | 2.95 in (1952) |
| July 19 | 100.9°F (1901) | 39.9°F (1909) | 2.85 in (1963) |
| July 20 | 102.9°F (1901) | 44.1°F (1929) | 2.80 in (1912) |
| July 21 | 107.1°F (1901) | 45.0°F (1966) | 2.07 in (2003) |
| July 22 | 104.0°F (1934) | 43.0°F (1911) | 3.72 in (2017) |
| July 23 | 107.1°F (1901) | 45.0°F (1925) | 4.45 in (2010) |
| July 24 | 107.1°F (1901) | 42.1°F (1904) | 4.60 in (2010) |
| July 25 | 104.0°F (1934) | 41.0°F (1991) | 1.82 in (2009) |
| July 26 | 102.0°F (1901) | -63.9°F (1922) | 1.13 in (1944) |
| July 27 | 102.9°F (1916) | 39.0°F (1991) | 2.12 in (2009) |
| July 28 | 102.9°F (1916) | 41.0°F (1991) | 2.89 in (2011) |
| July 29 | 104.0°F (1916) | 43.0°F (1981) | 2.41 in (1990) |
| July 30 | 102.9°F (1913) | 39.9°F (1899) | 3.16 in (1926) |
| July 31 | 98.1°F (1917) | 42.1°F (1918) | 1.73 in (1965) |