The average daily temperature in San Juan in August is 26 with a normal high in the month being 30 and average daily low being 24. The table below has some further insights:
| Month | Degrees Celsius |
|---|---|
| Temperature | 26 |
| High Temperature | 30 |
| Low Temperature | 24 |
| Sunshine Per Day | 10 |
Useful Links: San Juan Weather: Average Weather & Yearly Climate