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Cancún vs San Juan: which is better, and when to go
Cancún is at its best in February and San Juan in April. Below, the two cities side by side: weather, crowds and prices in every month, and what each does better across the year.
By Daan · Last reviewed October 2026
Cancún and San Juan
At a glance
| Cancún | San Juan | |
|---|---|---|
| Best month | February (6.5/10) | April (7/10) |
| Warmest month | June, 34°C | June, 32°C |
| Coolest month | January, 29°C | January, 28°C |
| Quietest month | September (Low) | September (Low) |
| Busiest month | March (Very High) | December (High) |
| Cheapest month | September ($) | September ($) |
Which one should you choose?
Choose Cancún for
No clear advantage across the year; it comes down to the month.
Cancún month by monthChoose San Juan for
- a gentler warmest month (June highs around 32°C, against 34°C)
Little difference between them in: how cold the coolest month gets, crowds across the year, how busy the peak month gets, prices across the year, events through the year.
Month by month
Average high, crowds and prices for each month, and which city comes out ahead overall. Open a month for the full comparison.
| Month | Cancún | San Juan | Ahead |
|---|---|---|---|
| January | 29°C · High · $$$$ | 28°C · High · $$$$ | San Juan |
| February | 29°C · High · $$$$ | 29°C · High · $$$$ | Cancún |
| March | 31°C · Very High · $$$$ | 29°C · Moderate–High · $$$ | San Juan |
| April | 32°C · Moderate–High · $$$ | 30°C · Moderate · $$$ | San Juan |
| May | 33°C · Moderate · $$ | 31°C · Low–Moderate · $$ | Close |
| June | 34°C · Moderate · $$ | 32°C · Moderate · $$ | San Juan |
| July | 34°C · Moderate–High · $$$ | 32°C · Moderate · $$$ | San Juan |
| August | 34°C · Moderate–High · $$$ | 32°C · Low–Moderate · $$ | San Juan |
| September | 33°C · Low · $ | 32°C · Low · $ | Close |
| October | 32°C · Low · $ | 31°C · Low · $ | San Juan |
| November | 30°C · Low–Moderate · $$ | 30°C · Low–Moderate · $$ | Cancún |
| December | 29°C · Very High · $$$$ | 29°C · High · $$$$ | Close |
FAQ
Cancún or San Juan?
Is Cancún or San Juan better?
It depends on when you go. Cancún is at its best in February and San Juan in April. The month-by-month table shows which city comes out ahead in each month.
When is the best time to visit Cancún and San Juan?
Cancún: February–April. San Juan: March–April.
Which is cheaper, Cancún or San Juan?
Prices are similar across the year. Check each month for the difference.