July weather in Marshalltown, IA
The average temperature in Marshalltown in July is °F (°F–°F). Average precipitation: 4.17 inches.
July is a summer month in Marshalltown, and is cooler than the annual average of 0°F. Daylight averages about 14h 47m.
Avg High
°F
Avg Low
°F
Precipitation
4.17 in
Daylight
14h 47m
July records in Marshalltown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| July 1 | 93.0°F (1991) | 64.9°F (1993) | 2.72 in (2014) |
| July 2 | 91.0°F (1991) | 59.0°F (1992) | 0.52 in (2023) |
| July 3 | 93.0°F (1993) | 59.0°F (1994) | 0.48 in (2019) |
| July 4 | 89.1°F (1994) | 63.0°F (1991) | 0.48 in (1994) |
| July 5 | 93.9°F (1991) | 55.9°F (1992) | 1.67 in (2022) |
| July 6 | 96.1°F (1994) | 55.0°F (1992) | 1.11 in (2025) |
| July 7 | 93.9°F (1994) | 62.1°F (1994) | 2.15 in (2024) |
| July 8 | 89.1°F (1992) | 61.0°F (1994) | 4.20 in (1993) |
| July 9 | 84.9°F (1992) | 59.0°F (1994) | 2.22 in (1993) |
| July 10 | 87.1°F (1991) | 62.1°F (1992) | 0.58 in (1990) |
| July 11 | 91.0°F (1994) | 62.1°F (1993) | 1.13 in (2016) |
| July 12 | 88.0°F (1994) | 62.1°F (1993) | 2.46 in (2025) |
| July 13 | 84.9°F (1994) | 62.1°F (1991) | 2.37 in (1992) |
| July 14 | 82.0°F (1991) | 60.1°F (1994) | 1.05 in (1993) |
| July 15 | 89.1°F (1991) | 61.0°F (1992) | 1.15 in (2021) |
| July 16 | 95.0°F (1991) | 62.1°F (1992) | 1.63 in (1992) |
| July 17 | 98.1°F (1991) | 61.0°F (1992) | 0.27 in (2016) |
| July 18 | 99.0°F (1991) | 62.1°F (1992) | 2.17 in (1993) |
| July 19 | 93.0°F (1991) | 64.0°F (1992) | 0.92 in (2018) |
| July 20 | 97.0°F (1991) | 55.0°F (1992) | 2.05 in (1990) |
| July 21 | 93.9°F (1991) | 55.0°F (1992) | 1.16 in (2017) |
| July 22 | 93.0°F (1991) | 60.1°F (1992) | 0.50 in (1992) |
| July 23 | 87.1°F (1994) | 59.0°F (1991) | 0.75 in (2013) |
| July 24 | 82.9°F (1991) | 57.9°F (1991) | 0.67 in (2025) |
| July 25 | 86.0°F (1993) | 55.9°F (1991) | 1.51 in (1992) |
| July 26 | 89.1°F (1993) | 55.0°F (1991) | 0.56 in (2012) |
| July 27 | 86.0°F (1993) | 57.0°F (1994) | 3.00 in (1990) |
| July 28 | 84.9°F (1992) | 55.9°F (1994) | 0.56 in (2025) |
| July 29 | 82.9°F (1993) | 57.0°F (1991) | 3.45 in (2024) |
| July 30 | 90.0°F (1993) | 55.0°F (1992) | 2.23 in (2025) |
| July 31 | 89.1°F (1994) | 54.0°F (1992) | 0.17 in (1992) |