August weather in Smithboro, IL
The average temperature in Smithboro in August is °F (°F–°F). Average precipitation: 3.97 inches.
August is a summer month in Smithboro, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 13h 31m.
Avg High
°F
Avg Low
°F
Precipitation
3.97 in
Daylight
13h 31m
August records in Smithboro
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 102.9°F (1940) | 54.0°F (1925) | 1.50 in (1938) |
| August 2 | 104.0°F (1901) | 54.0°F (1920) | 1.85 in (1924) |
| August 3 | 106.0°F (1930) | 54.0°F (1927) | 2.26 in (1946) |
| August 4 | 109.0°F (1918) | 50.0°F (1927) | 2.39 in (1967) |
| August 5 | 108.0°F (1918) | 54.0°F (1915) | 1.25 in (1980) |
| August 6 | 104.0°F (1918) | 55.0°F (1948) | 4.35 in (2015) |
| August 7 | 106.0°F (1934) | 55.9°F (1903) | 1.55 in (1907) |
| August 8 | 108.0°F (1930) | 50.0°F (1910) | 1.84 in (1899) |
| August 9 | 109.9°F (1934) | 53.1°F (1922) | 1.97 in (1984) |
| August 10 | 107.1°F (1934) | 54.0°F (1917) | 3.60 in (1955) |
| August 11 | 104.0°F (1894) | 54.0°F (1930) | 1.06 in (1929) |
| August 12 | 104.0°F (1918) | 52.0°F (1931) | 6.86 in (2019) |
| August 13 | 104.0°F (1936) | 54.0°F (1893) | 2.48 in (2019) |
| August 14 | 106.0°F (1894) | 52.0°F (1916) | 1.75 in (2010) |
| August 15 | 105.1°F (1936) | 50.0°F (1929) | 6.40 in (1946) |
| August 16 | 102.9°F (1913) | 54.0°F (1897) | 1.67 in (2016) |
| August 17 | 109.0°F (1936) | 54.0°F (1897) | 2.50 in (2012) |
| August 18 | 109.0°F (1936) | 53.1°F (1943) | 3.50 in (1939) |
| August 19 | 108.0°F (1936) | 53.1°F (1896) | 3.40 in (1904) |
| August 20 | 106.0°F (1936) | 51.1°F (1950) | 5.20 in (1915) |
| August 21 | 106.0°F (1936) | 48.9°F (1950) | 1.32 in (1915) |
| August 22 | 106.0°F (1936) | 51.1°F (1923) | 1.90 in (1964) |
| August 23 | 104.0°F (1936) | 50.0°F (1920) | 1.60 in (2001) |
| August 24 | 102.9°F (1936) | 48.9°F (1927) | 3.15 in (2000) |
| August 25 | 102.9°F (1936) | 50.0°F (1915) | 2.00 in (1914) |
| August 26 | 106.0°F (1936) | 50.0°F (1910) | 2.65 in (1901) |
| August 27 | 102.9°F (1936) | 51.1°F (1896) | 3.20 in (1940) |
| August 28 | 104.0°F (1913) | 50.0°F (1935) | 1.48 in (1938) |
| August 29 | 97.0°F (1937) | 44.1°F (1934) | 2.19 in (1926) |
| August 30 | 98.1°F (1937) | 48.0°F (1935) | 1.70 in (1918) |
| August 31 | 100.9°F (1913) | 36.0°F (1936) | 1.21 in (1965) |