Cozumel vs Tulum: which is sunnier?
🇲🇽 Mexico vs 🇲🇽 Mexico · 85 km apart · long-term climate normals (NASA POWER, 2001–2020)
Cozumel is the sunnier overall: about 2,855 hours of sunshine a year to Tulum's 2,695. Cozumel has the higher Sunshine Score in 3 of 12 months; the other 9 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Cozumel | Tulum | |
|---|---|---|
| Sunshine hours / year | 2,855 | 2,695 |
| Sunniest month | March (88/100) | February (87/100) |
| Nov–Feb average score | 82/100 | 83/100 |
| Jun–Aug average score | 73/100 | 70/100 |
| Rain / year | 1,282 mm | 1,293 mm |
| Peak midday UV | 11 (extreme) | 10 (very high) |
Cozumel vs Tulum month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Cozumel | Tulum | Cozumel | Tulum | Cozumel | Tulum | |
| January | 85 | 86 | 26° | 27° | 61 | 50 |
| February | 87 | 87 | 27° | 28° | 47 | 41 |
| March | 88 | 87 | 27° | 29° | 42 | 41 |
| April | 88 | 87 | 28° | 30° | 42 | 41 |
| May | 78 | 75 | 29° | 30° | 100 | 110 |
| June | 68 | 67 | 29° | 29° | 177 | 181 |
| July | 78 | 74 | 29° | 30° | 96 | 116 |
| August | 73 | 68 | 30° | 30° | 125 | 149 |
| September | 68 | 67 | 29° | 29° | 170 | 185 |
| October | 68 | 67 | 29° | 28° | 224 | 208 |
| November | 72 | 74 | 27° | 27° | 129 | 111 |
| December | 83 | 84 | 27° | 27° | 69 | 60 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May Cozumel · Jun even · Jul Cozumel · Aug Cozumel · Sep even · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — Cozumel averages 82/100, Tulum 83/100. Daytime highs are similar (27°C vs 27°C). See the winter sun ranking.
- March–May: too close to call — Cozumel averages 85/100, Tulum 83/100. Tulum is the warmer, around 30°C daytime highs vs 28°C.
- June–August: Cozumel (average score 73/100 vs 70). Daytime highs are similar (29°C vs 30°C).
- September–October: too close to call — Cozumel averages 68/100, Tulum 67/100. Daytime highs are similar (29°C vs 29°C).
Full month-by-month guides: Cozumel weather by month · Tulum weather by month · Best time to visit Mexico.
More comparisons: Cozumel vs Mérida · Cozumel vs Cancún · Cozumel vs Chetumal · Tulum vs Mérida · Tulum vs Cancún · Tulum vs Chetumal · all head-to-heads