August weather in Muncie, IL
The average temperature in Muncie in August is 72.8°F (62.9°F–82.6°F). Average precipitation: 3.50 inches.
August is a summer month in Muncie, and is warmer than the annual average of 52.2°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 13h 35m. For travel, August is a comfortable month to visit.
Avg High
82.6°F
Avg Low
62.9°F
Precipitation
3.50 in
Daylight
13h 35m
August records in Muncie
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 90.0°F (2012) | 57.0°F (2019) | 0.92 in (2024) |
| August 2 | 91.0°F (2011) | 55.0°F (2021) | 0.75 in (2020) |
| August 3 | 93.9°F (2012) | 55.0°F (2021) | 0.53 in (2013) |
| August 4 | 91.9°F (2022) | 55.0°F (2025) | 1.87 in (2022) |
| August 5 | 93.9°F (2012) | 51.1°F (2020) | 0.73 in (2012) |
| August 6 | 95.0°F (2024) | 50.0°F (2020) | 1.26 in (2023) |
| August 7 | 93.0°F (2024) | 51.1°F (2020) | 0.68 in (2023) |
| August 8 | 91.9°F (2022) | 55.0°F (2017) | 1.40 in (2022) |
| August 9 | 91.0°F (2012) | 54.0°F (2017) | 0.45 in (2022) |
| August 10 | 93.0°F (2025) | 52.0°F (2024) | 0.91 in (2015) |
| August 11 | 93.9°F (2025) | 51.1°F (2024) | 0.37 in (2020) |
| August 12 | 93.9°F (2025) | 53.1°F (2012) | 0.37 in (2023) |
| August 13 | 93.0°F (2025) | 54.0°F (2024) | 1.11 in (2021) |
| August 14 | 90.0°F (2025) | 51.1°F (2013) | 0.52 in (2003) |
| August 15 | 91.0°F (2025) | 50.0°F (2013) | 0.83 in (2002) |
| August 16 | 96.1°F (2025) | 51.1°F (2014) | 2.36 in (2016) |
| August 17 | 100.0°F (2025) | 54.0°F (2023) | 1.87 in (2012) |
| August 18 | 93.0°F (2025) | 54.0°F (2012) | 1.70 in (2009) |
| August 19 | 91.9°F (2025) | 53.1°F (2012) | 2.46 in (2015) |
| August 20 | 88.0°F (2025) | 53.1°F (2020) | 1.33 in (2002) |
| August 21 | 90.0°F (2023) | 53.1°F (2012) | 1.06 in (2016) |
| August 22 | 91.9°F (2023) | 51.1°F (2024) | 0.31 in (2017) |
| August 23 | 93.0°F (2023) | 52.0°F (2024) | 2.31 in (2002) |
| August 24 | 96.1°F (2023) | 52.0°F (2024) | 0.85 in (2011) |
| August 25 | 99.0°F (2023) | 52.0°F (2025) | 1.07 in (2007) |
| August 26 | 93.9°F (2021) | 46.9°F (2025) | 1.04 in (2004) |
| August 27 | 93.9°F (2024) | 48.9°F (2025) | 1.90 in (2012) |
| August 28 | 98.1°F (2024) | 50.0°F (2025) | 1.13 in (2009) |
| August 29 | 91.9°F (2013) | 55.0°F (2023) | 1.32 in (2017) |
| August 30 | 93.9°F (2024) | 54.0°F (2020) | 3.61 in (2022) |
| August 31 | 96.1°F (2024) | 52.0°F (2020) | 0.94 in (2024) |