Sioux City, Sunday, 9 August, 05:54
Clear. Feels like 71°. High 91°, low 71°.
In March, Sioux City, IA averages a high of 47° and a low of 27.7°. About 2.3 inches of precipitation fall over the month (8 wet days). The record high is 82.8° (2012) and the record low -20.9° (1998). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 40.8° | 21.4° | 20% | 68° (1992) | -16.6° (1962) |
| 2 | 39.2° | 21.2° | 18% | 71.2° (1974) | -13.4° (2014) |
| 3 | 40.1° | 21.4° | 18% | 69.4° (1983) | -15.9° (2014) |
| 4 | 41.4° | 22.5° | 25% | 67.6° (2000) | -14.3° (1978) |
| 5 | 40.5° | 22.8° | 25% | 68.9° (1991) | -14.3° (1960) |
| 6 | 43° | 22.5° | 18% | 74.3° (2017) | -12.3° (1989) |
| 7 | 40.6° | 23.5° | 17% | 74.3° (2000) | -5.1° (1996) |
| 8 | 41.9° | 22.8° | 25% | 68° (2020) | -10.7° (1995) |
| 9 | 42.6° | 22.8° | 25% | 71.2° (2021) | -4.9° (1995) |
| 10 | 44.1° | 23.9° | 23% | 69.8° (2014) | -9.8° (1998) |
| 11 | 45.1° | 25.3° | 27% | 70.9° (2024) | -10.7° (1998) |
| 12 | 45.7° | 25.7° | 28% | 71.4° (2015) | -20.9° (1998) |
| 13 | 47.1° | 27° | 20% | 75° (2012) | -3.6° (1975) |
| 14 | 48° | 28° | 23% | 71.8° (2025) | 0.9° (1975) |
| 15 | 47.1° | 27.1° | 18% | 74.3° (2012) | -0.9° (1979) |
| 16 | 48° | 28.6° | 20% | 77.5° (2015) | 2.5° (1961) |
| 17 | 47.8° | 30.2° | 22% | 79.2° (2012) | 6.4° (1962) |
| 18 | 47.8° | 30.6° | 25% | 81° (2012) | 1.9° (1965) |
| 19 | 49.5° | 29.8° | 27% | 73.8° (1976) | -3.1° (1965) |
| 20 | 49.5° | 29.3° | 23% | 70.5° (2015) | -3.5° (1965) |
| 21 | 49.5° | 28.9° | 17% | 69.8° (2007) | -9.2° (1965) |
| 22 | 49.8° | 29.7° | 27% | 72.9° (1988) | 5.4° (2006) |
| 23 | 49.3° | 30.2° | 33% | 72.7° (2003) | -0.2° (1965) |
| 24 | 48.9° | 30.7° | 33% | 78.3° (1967) | -4.4° (1971) |
| 25 | 49.5° | 31.1° | 23% | 71.8° (1991) | 6.3° (1965) |
| 26 | 50.9° | 31.5° | 23% | 77.4° (2012) | -4.4° (1965) |
| 27 | 53.2° | 33.4° | 30% | 78.3° (1989) | 12.9° (1966) |
| 28 | 53.6° | 33.8° | 27% | 82.2° (2025) | 9.3° (1964) |
| 29 | 52.7° | 34.3° | 32% | 80.1° (1986) | 0.5° (1969) |
| 30 | 54.7° | 34.9° | 33% | 79.5° (1968) | -0.6° (1964) |
| 31 | 54.7° | 34.5° | 32% | 82.8° (2012) | 10° (1987) |