August weather in McNabb, IL
The average temperature in McNabb in August is 72.7°F (62.4°F–82.9°F). Average precipitation: 3.77 inches.
August is a summer month in McNabb, and is warmer than the annual average of 51.4°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Daylight averages about 13h 39m. For travel, August is a comfortable month to visit.
Avg High
82.9°F
Avg Low
62.4°F
Precipitation
3.77 in
Daylight
13h 39m
August records in McNabb
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| August 1 | 91.9°F (2012) | 57.0°F (2025) | 0.30 in (2024) |
| August 2 | 93.0°F (2012) | 53.1°F (2019) | 0.07 in (2020) |
| August 3 | 93.9°F (2012) | 55.0°F (2021) | 0.10 in (2013) |
| August 4 | 93.9°F (2012) | 55.0°F (2017) | 0.94 in (2012) |
| August 5 | 90.0°F (2024) | 52.0°F (2020) | 0.50 in (2023) |
| August 6 | 91.0°F (2022) | 54.0°F (2020) | 0.19 in (2019) |
| August 7 | 95.0°F (2012) | 55.0°F (2017) | 1.36 in (2023) |
| August 8 | 93.0°F (2012) | 52.0°F (2017) | 0.10 in (2022) |
| August 9 | 90.0°F (2018) | 55.0°F (2017) | 1.12 in (2021) |
| August 10 | 91.0°F (2020) | 52.0°F (2024) | 1.50 in (2025) |
| August 11 | 90.0°F (2016) | 51.1°F (2012) | 2.11 in (2019) |
| August 12 | 87.1°F (2018) | 51.1°F (2017) | 0.90 in (2016) |
| August 13 | 87.1°F (2018) | 51.1°F (2014) | 0.45 in (2019) |
| August 14 | 87.1°F (2015) | 48.0°F (2013) | 0.32 in (2023) |
| August 15 | 89.1°F (2025) | 48.9°F (2014) | 1.10 in (2024) |
| August 16 | 90.0°F (2025) | 51.1°F (2013) | 0.50 in (2024) |
| August 17 | 90.0°F (2025) | 53.1°F (2013) | 0.59 in (2019) |
| August 18 | 91.0°F (2025) | 48.9°F (2012) | 1.11 in (2015) |
| August 19 | 91.0°F (2025) | 53.1°F (2020) | 0.70 in (2016) |
| August 20 | 90.0°F (2023) | 52.0°F (2012) | 1.17 in (2022) |
| August 21 | 89.1°F (2013) | 50.0°F (2012) | 0.16 in (2017) |
| August 22 | 90.0°F (2023) | 50.0°F (2024) | 2.96 in (2013) |
| August 23 | 97.0°F (2023) | 51.1°F (2024) | 0.42 in (2014) |
| August 24 | 97.0°F (2023) | 52.0°F (2015) | 0.72 in (2016) |
| August 25 | 96.1°F (2023) | 50.0°F (2025) | 0.90 in (2022) |
| August 26 | 93.0°F (2024) | 48.0°F (2025) | 1.24 in (2012) |
| August 27 | 93.9°F (2024) | 50.0°F (2025) | 0.98 in (2016) |
| August 28 | 93.0°F (2024) | 52.0°F (2023) | 1.41 in (2018) |
| August 29 | 91.0°F (2018) | 53.1°F (2018) | 0.84 in (2022) |
| August 30 | 93.9°F (2013) | 53.1°F (2020) | 0.84 in (2016) |
| August 31 | 91.9°F (2013) | 48.0°F (2023) | 0.01 in (2014) |