Click on a day for an hourly weather forecast
The weather in Nuevo Vallarta in August is hot. The average temperatures are between 20°C and 31°C.
With more than 22 rainy days, Nuevo Vallarta is an incredibly wet during August. Be sure to pack your umbrella and bring along your rubber boots to stay dry. It’s going to be raining cats and dogs this month!
Our weather forecast can give you a great sense of what weather to expect in Nuevo Vallarta in August 2026.
If you’re planning to visit Nuevo Vallarta in the near future, we highly recommend that you review the 14 day weather forecast for Nuevo Vallarta before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 15° | 2 | 29 | 0 | 35 mm | Good | Nuevo Vallarta in January |
| February | 29° / 15° | 2 | 27 | 0 | 33 mm | Good | Nuevo Vallarta in February |
| March | 31° / 16° | 0 | 31 | 0 | 12 mm | Good | Nuevo Vallarta in March |
| April | 32° / 17° | 0 | 30 | 0 | 4 mm | Good | Nuevo Vallarta in April |
| May | 33° / 19° | 2 | 29 | 0 | 31 mm | Good | Nuevo Vallarta in May |
| June | 32° / 21° | 10 | 20 | 0 | 194 mm | Ok | Nuevo Vallarta in June |
| July | 31° / 20° | 20 | 11 | 0 | 370 mm | Ok | Nuevo Vallarta in July |
| August | 31° / 20° | 24 | 7 | 0 | 410 mm | Ok | Nuevo Vallarta in August |
| September | 31° / 21° | 19 | 11 | 0 | 383 mm | Ok | Nuevo Vallarta in September |
| October | 31° / 20° | 12 | 19 | 0 | 258 mm | Ok | Nuevo Vallarta in October |
| November | 31° / 18° | 3 | 27 | 0 | 81 mm | Good | Nuevo Vallarta in November |
| December | 29° / 16° | 2 | 29 | 0 | 65 mm | Good | Nuevo Vallarta in December |