Typically, the expected weather in Key West during May is 25. Average highs are typically 30 and low of 24 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 25 |
| High Temperature | 30 |
| Low Temperature | 24 |
| Sunshine Per Day | 12 |
Useful Links: Key West Weather: Average Weather & Yearly Climate