US Geography / US Weather / Tennessee Weather / Erwin |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 45 | 48 | 58 | 67 | 74 | 81 | 84 | 84 | 78 | 68 | 58 | 48 |
| Avg. Low | 21 | 24 | 31 | 38 | 48 | 56 | 60 | 58 | 54 | 40 | 32 | 25 |
| Mean | 34 | 36 | 45 | 54 | 62 | 68 | 72 | 71 | 66 | 55 | 46 | 38 |
| Avg. Precip. | 3.4 in | 3.7 in | 4.4 in | 4.0 in | 4.6 in | 4.7 in | 5.7 in | 4.3 in | 3.5 in | 2.9 in | 3.3 in | 3.4 in |
Degrees in Fahrenheit
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