US Geography / US Weather / Nebraska Weather / Gretna |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 32 | 37 | 48 | 64 | 74 | 82 | 88 | 85 | 77 | 66 | 50 | 35 |
| Avg. Low | 8 | 14 | 25 | 38 | 48 | 60 | 65 | 62 | 52 | 40 | 27 | 14 |
| Mean | 21 | 26 | 38 | 51 | 62 | 72 | 77 | 74 | 65 | 54 | 38 | 25 |
| Avg. Precip. | 0.6 in | 0.7 in | 1.9 in | 2.8 in | 4.5 in | 4.1 in | 3.3 in | 4.1 in | 3.4 in | 2.3 in | 1.3 in | 0.9 in |
Degrees in Fahrenheit
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