August weather in Galva, IL
The average temperature in Galva in August is 71.2°F (60.2°F–82.3°F). Average precipitation: 3.73 inches.
August is a summer month in Galva, and is warmer than the annual average of 49.5°F. Daily temperatures swing about 22.1°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 39m. For travel, August is a comfortable month to visit.
Avg High
82.3°F
Avg Low
60.2°F
Precipitation
3.73 in
Daylight
13h 39m
August records in Galva
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1988) | 48.0°F (1947) | 1.87 in (1931) |
| August 2 | 100.0°F (1930) | 48.9°F (1907) | 2.28 in (1921) |
| August 3 | 102.0°F (1930) | 43.0°F (1894) | 2.11 in (1943) |
| August 4 | 99.0°F (1913) | 45.0°F (1912) | 2.35 in (1965) |
| August 5 | 102.0°F (1918) | 46.9°F (2004) | 1.36 in (1899) |
| August 6 | 100.9°F (1916) | 44.1°F (1994) | 2.71 in (1981) |
| August 7 | 97.0°F (1918) | 45.0°F (1893) | 2.20 in (2023) |
| August 8 | 98.1°F (1914) | 48.0°F (1904) | 1.69 in (1927) |
| August 9 | 102.0°F (1934) | 46.9°F (1922) | 2.38 in (1924) |
| August 10 | 100.9°F (1913) | 46.9°F (1917) | 3.00 in (1993) |
| August 11 | 99.0°F (1923) | 46.0°F (1967) | 1.79 in (1913) |
| August 12 | 98.1°F (1936) | 46.0°F (1931) | 1.50 in (1900) |
| August 13 | 100.0°F (1909) | 41.0°F (2004) | 2.17 in (2010) |
| August 14 | 100.9°F (1936) | 41.0°F (1894) | 1.91 in (1973) |
| August 15 | 100.9°F (1936) | 41.0°F (1894) | 2.48 in (1980) |
| August 16 | 100.0°F (1937) | 45.0°F (1894) | 4.75 in (1997) |
| August 17 | 100.0°F (1988) | 50.0°F (1981) | 1.71 in (1930) |
| August 18 | 105.1°F (1936) | 45.0°F (1963) | 1.73 in (1918) |
| August 19 | 100.0°F (1988) | 48.9°F (1893) | 1.77 in (1904) |
| August 20 | 100.0°F (1983) | 41.0°F (1950) | 9.15 in (1924) |
| August 21 | 100.9°F (1983) | 44.1°F (1950) | 2.41 in (1987) |
| August 22 | 100.9°F (1936) | 42.1°F (1923) | 1.92 in (1996) |
| August 23 | 100.9°F (1947) | 46.0°F (2012) | 2.94 in (2007) |
| August 24 | 100.9°F (1947) | 44.1°F (1942) | 1.60 in (2016) |
| August 25 | 97.0°F (1903) | 39.9°F (1958) | 1.95 in (1971) |
| August 26 | 96.1°F (1953) | 42.1°F (1910) | 2.50 in (1987) |
| August 27 | 98.1°F (1899) | 44.1°F (1906) | 2.86 in (1903) |
| August 28 | 97.0°F (1897) | 42.1°F (1935) | 2.35 in (2024) |
| August 29 | 97.0°F (1948) | 39.0°F (1934) | 2.55 in (2018) |
| August 30 | 98.1°F (1945) | 37.9°F (1915) | 1.82 in (1982) |
| August 31 | 100.9°F (1953) | 39.0°F (1915) | 1.84 in (1980) |