August weather in Napoleon, IN
The average temperature in Napoleon in August is 73.9°F (64.4°F–83.4°F). Average precipitation: 4.03 inches.
August is a summer month in Napoleon, and is warmer than the annual average of 53.6°F. Daily temperatures swing about 19°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 13h 32m. For travel, August is a comfortable month to visit.
Avg High
83.4°F
Avg Low
64.4°F
Precipitation
4.03 in
Daylight
13h 32m
August records in Napoleon
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 100.0°F (1931) | 45.0°F (1966) | 2.39 in (2020) |
| August 2 | 97.0°F (1931) | 46.9°F (1920) | 1.95 in (1921) |
| August 3 | 100.9°F (1930) | 35.1°F (1982) | 4.21 in (1987) |
| August 4 | 102.0°F (1930) | 46.0°F (1912) | 1.54 in (1960) |
| August 5 | 102.0°F (1918) | 45.0°F (1912) | 4.03 in (2009) |
| August 6 | 102.0°F (1918) | 43.0°F (1957) | 3.00 in (1995) |
| August 7 | 100.0°F (1918) | 45.0°F (1957) | 1.50 in (1926) |
| August 8 | 98.1°F (1941) | 48.0°F (1957) | 3.22 in (1995) |
| August 9 | 100.0°F (1930) | 46.0°F (1964) | 2.05 in (1950) |
| August 10 | 98.1°F (1911) | 46.0°F (1972) | 2.08 in (1933) |
| August 11 | 102.0°F (1941) | 46.0°F (1967) | 1.43 in (1977) |
| August 12 | 99.0°F (1918) | 37.9°F (1967) | 1.94 in (1899) |
| August 13 | 98.1°F (1934) | 37.9°F (1964) | 2.25 in (1912) |
| August 14 | 96.1°F (1918) | 43.0°F (1964) | 1.53 in (2016) |
| August 15 | 95.0°F (1919) | 39.9°F (1964) | 2.17 in (1980) |
| August 16 | 97.0°F (1908) | 44.1°F (1963) | 1.16 in (1920) |
| August 17 | 98.1°F (1940) | 43.0°F (1964) | 1.98 in (1993) |
| August 18 | 98.1°F (1988) | 45.0°F (1953) | 2.20 in (1954) |
| August 19 | 105.1°F (1936) | 43.0°F (1953) | 3.07 in (1979) |
| August 20 | 100.0°F (1983) | 48.0°F (1957) | 2.10 in (1915) |
| August 21 | 105.1°F (1936) | 46.0°F (1956) | 0.72 in (2004) |
| August 22 | 104.0°F (1936) | 42.1°F (1956) | 1.10 in (1923) |
| August 23 | 100.0°F (1936) | 44.1°F (1902) | 0.92 in (1942) |
| August 24 | 100.9°F (1936) | 44.1°F (1966) | 1.18 in (1958) |
| August 25 | 100.0°F (1936) | 43.0°F (1942) | 1.41 in (1963) |
| August 26 | 100.0°F (1948) | 42.1°F (1958) | 1.68 in (1918) |
| August 27 | 100.0°F (1948) | 43.0°F (1968) | 2.21 in (1923) |
| August 28 | 99.0°F (1948) | 45.0°F (1968) | 2.03 in (1974) |
| August 29 | 99.0°F (1953) | 39.0°F (1965) | 5.00 in (2006) |
| August 30 | 98.1°F (2007) | 39.0°F (1946) | 1.67 in (1956) |
| August 31 | 102.0°F (1953) | 39.9°F (1915) | 2.42 in (2005) |