August weather in Rensselaer, IN
The average temperature in Rensselaer in August is 71.8°F (61.2°F–82.5°F). Average precipitation: 4.01 inches.
August is a summer month in Rensselaer, and is warmer than the annual average of 50.5°F. Daily temperatures swing about 21.3°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 38m. For travel, August is a comfortable month to visit.
Avg High
82.5°F
Avg Low
61.2°F
Precipitation
4.01 in
Daylight
13h 38m
August records in Rensselaer
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 93.9°F (1980) | 51.1°F (1971) | 0.72 in (2010) |
| August 2 | 100.9°F (1988) | 53.1°F (1977) | 1.86 in (2002) |
| August 3 | 98.1°F (1988) | 50.0°F (1976) | 2.10 in (2003) |
| August 4 | 97.0°F (1988) | 51.1°F (1993) | 2.75 in (2004) |
| August 5 | 98.1°F (1988) | 48.9°F (1997) | 3.25 in (2008) |
| August 6 | 93.9°F (1988) | 51.1°F (1994) | 3.78 in (2023) |
| August 7 | 91.9°F (1996) | 48.0°F (1989) | 1.97 in (1972) |
| August 8 | 93.9°F (1984) | 48.0°F (1989) | 0.45 in (1982) |
| August 9 | 96.1°F (1980) | 46.0°F (1972) | 1.77 in (1987) |
| August 10 | 93.0°F (1984) | 45.0°F (1972) | 3.59 in (1977) |
| August 11 | 93.0°F (2021) | 46.0°F (1982) | 1.07 in (2018) |
| August 12 | 93.9°F (1995) | 45.0°F (1982) | 2.02 in (1972) |
| August 13 | 98.1°F (1988) | 50.0°F (1971) | 1.40 in (1990) |
| August 14 | 96.1°F (1988) | 46.9°F (2004) | 0.82 in (1980) |
| August 15 | 95.0°F (1988) | 43.0°F (2014) | 2.50 in (1985) |
| August 16 | 100.0°F (1988) | 46.0°F (1976) | 2.80 in (2016) |
| August 17 | 102.9°F (1988) | 48.0°F (1976) | 1.72 in (2025) |
| August 18 | 104.0°F (1988) | 48.9°F (1977) | 1.34 in (2015) |
| August 19 | 102.0°F (1988) | 48.0°F (1992) | 2.14 in (1993) |
| August 20 | 96.1°F (1983) | 48.9°F (1985) | 1.94 in (1971) |
| August 21 | 95.0°F (1983) | 45.0°F (1999) | 2.80 in (2016) |
| August 22 | 93.0°F (1983) | 48.9°F (1999) | 3.83 in (2014) |
| August 23 | 91.0°F (1993) | 50.0°F (1971) | 1.33 in (1975) |
| August 24 | 93.0°F (2023) | 48.0°F (1984) | 1.61 in (2014) |
| August 25 | 95.0°F (2023) | 48.0°F (2017) | 1.94 in (1971) |
| August 26 | 93.0°F (2012) | 48.0°F (2025) | 1.56 in (2004) |
| August 27 | 93.0°F (2003) | 45.0°F (2025) | 1.81 in (2012) |
| August 28 | 95.0°F (1973) | 43.0°F (1982) | 1.34 in (2006) |
| August 29 | 93.9°F (1991) | 41.0°F (1986) | 2.84 in (2006) |
| August 30 | 93.9°F (2010) | 43.0°F (1976) | 1.30 in (1975) |
| August 31 | 95.0°F (2013) | 43.0°F (2009) | 2.50 in (1980) |