Acapulco's weather is fantastic all year round. The wet months are between June and October but temperatures stay comfortable across this period and the humidity never gives too much cause for complaint.
| Month | Temp (°C) | Rainfall (mm) | Humidity (%) | Sunshine (hours) |
| Jan | 22 - 31 | 6 | 9 | |
| Feb | 22 - 31 | 1 | 9 | |
| Mar | 22 - 31 | 0 | 9 | |
| Apr | 23 - 32 | 1 | 8 | |
| May | 32 - 25 | 36 | 7 | |
| Jun | 33 - 25 | 281 | 7 | |
| Jul | 32 - 25 | 256 | 7 | |
| Aug | 33 - 25 | 252 | 7 | |
| Sep | 24 - 32 | 349 | 6 | |
| Oct | 32 - 24 | 159 | 7 | |
| Nov | 23 - 32 | 28 | 9 | |
| Dec | 22 - 31 | 8 | 9 |