Average Water Temps for Key West
| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ° F | 69 | 70 | 75 | 79 | 83 | 86 | 87 | 87 | 86 | 82 | 76 | 72 |
| ° C | 21 | 21 | 24 | 26 | 28 | 30 | 31 | 31 | 30 | 28 | 24 | 22 |
Average High Air Temps for Key West
| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ° F | 75 | 75 | 79 | 82 | 85 | 88 | 89 | 89 | 88 | 84 | 80 | 76 |
| ° C | 24 | 24 | 26 | 28 | 29 | 31 | 32 | 32 | 31 | 29 | 27 | 24 |
Average Low Air Temps for Key West
| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ° F | 65 | 66 | 69 | 72 | 76 | 79 | 80 | 79 | 79 | 76 | 71 | 67 |
| ° C | 18 | 19 | 21 | 22 | 24 | 26 | 27 | 26 | 26 | 24 | 22 | 21 |
All-Time Record High for Key West 97° F (36° C) July, 19, 1880
All-Time Record Low for Key West 41° F (5° C) Jan. 13, 1981
Average Rainfall
| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inches | 2.0 | 1.8 | 1.7 | 1.8 | 3.5 | 5.1 | 3.6 | 5.0 | 5.9 | 4.4 | 2.9 | 2.0 |
| cm | 5.1 | 4.6 | 4.3 | 4.6 | 8.9 | 12.9 | 9.1 | 12.7 | 14.9 | 11.2 | 7.4 | 5.1 |
Average Sunset Times
| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5:50 pm | 6:16 pm | 6:31 pm | 7:45 pm | 7:58 pm | 8:15 pm | 8:22 pm | 8:11 pm | 7:45 pm | 7:13 pm | 5:47 pm | 5:38 pm |