Cozumel weather by month & the best time to visit
🇲🇽 Mexico · beach resort · tropical — wet & dry seasons climate
The best time to visit Cozumel is March — its sunniest month (Sunshine Score 88/100), with April and February close behind. Cozumel averages about 2,855 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 42 mm of rain in March.
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- Sun hours / year
- 2,855
- Sunniest month
- March
- Peak score
- 88/100
- Rain / year
- 1,282 mm
- Midday UV at peak
- 11 (extreme)
- Sea at warmest
- 31°C / 88°F
- Population
- 77k
- Elevation
- Sea level
When is the best time to visit Cozumel?
For sunshine, the best time to visit Cozumel is March, then April and February. The dullest month is June (68/100, 177 mm of rain). The full month-by-month picture is in the table below.
How sunny is Cozumel?
Cozumel gets a lot of sun: around 2,855 hours a year. March (88/100) is noticeably better than June (68). It ranks #44 of 62 destinations in Mexico for annual sunshine, below the national median of 3,138 hours. Rain has a clear season: the wettest stretch, around October, carries about 41% of the annual 1,282 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 85 | 26° / 79°F | 23° / 73°F | 61 mm | 7 | 28° / 82°F |
| February | 87 | 27° / 81°F | 24° / 75°F | 47 mm | 8 | 27° / 81°F |
| March | 88 | 27° / 81°F | 24° / 75°F | 42 mm | 10 | 28° / 82°F |
| April | 88 | 28° / 82°F | 25° / 77°F | 42 mm | 11 | 28° / 82°F |
| May | 78 | 29° / 84°F | 26° / 79°F | 100 mm | 10 | 29° / 84°F |
| June | 68 | 29° / 84°F | 27° / 81°F | 177 mm | 10 | 30° / 86°F |
| July | 78 | 29° / 84°F | 27° / 81°F | 96 mm | 11 | 30° / 86°F |
| August | 73 | 30° / 86°F | 27° / 81°F | 125 mm | 11 | 31° / 88°F |
| September | 68 | 29° / 84°F | 27° / 81°F | 170 mm | 10 | 31° / 88°F |
| October | 68 | 29° / 84°F | 26° / 79°F | 224 mm | 8 | 30° / 86°F |
| November | 72 | 27° / 81°F | 25° / 77°F | 129 mm | 7 | 29° / 84°F |
| December | 83 | 27° / 81°F | 24° / 75°F | 69 mm | 6 | 28° / 82°F |
Sea temperature in Cozumel by month
The sea off Cozumel is warmest in August at around 31°C / 88°F, and coolest in February at 27°C / 81°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Cozumel on the interactive sunshine globe →
Nearby places for sunshine
- Cancún Mexico · 59 km · best in Mar · 2,850 h sun/yr
- Tulum Mexico · 85 km · best in Feb · 2,695 h sun/yr
- Chetumal Mexico · 267 km · best in Feb · 2,483 h sun/yr
- Mérida Mexico · 286 km · best in Feb · 2,795 h sun/yr
- Belize City Belize · 361 km · best in Apr · 2,402 h sun/yr
- Coxen Hole Honduras · 469 km · best in Apr · 2,764 h sun/yr
Nearest destinations
- San Pedro Belize · 309 km · 2,729 h sun/yr · best in Apr
- Orange Walk Belize · 325 km · 2,483 h sun/yr · best in Mar
Head-to-head
How Cozumel compares month by month: Cozumel vs Mérida · Cozumel vs Cancún · Cozumel vs Chetumal · Cozumel vs Tulum · all comparisons
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