Island in Quintana Roo, Mexico
Cozumel weather by month and the best time to visit
When to go to Cozumel
Nov–Apr is dry and cooler; Dec–Mar is busiest. Jun–Oct is hot, humid and rainy with hurricane risk; diving visibility is excellent most of the year.
Cozumel weather by month
Average daily high, rainfall and conditions.
- Jan26°61 mm
- Feb27°47 mm
- Mar27°42 mm
- Apr28°42 mm
- May29°100 mm
- Jun29°177 mm
- Jul29°96 mm
- Aug30°125 mm
- Sep29°170 mm
- Oct29°224 mm
- Nov27°129 mm
- Dec27°69 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 26°C79°F | 23°C74°F | 61 mm | 76% | Pleasant |
| February | 27°C80°F | 24°C74°F | 47 mm | 76% | Pleasant |
| March | 27°C81°F | 24°C75°F | 42 mm | 74% | Pleasant |
| April | 28°C83°F | 25°C77°F | 42 mm | 75% | Pleasant |
| May | 29°C84°F | 26°C79°F | 100 mm | 77% | Pleasant |
| June | 29°C84°F | 27°C80°F | 177 mm | 82% | Rainy |
| July | 29°C85°F | 27°C81°F | 96 mm | 81% | Pleasant |
| August | 30°C86°F | 28°C82°F | 125 mm | 80% | Pleasant |
| September | 29°C85°F | 27°C81°F | 170 mm | 82% | Rainy |
| October | 29°C83°F | 26°C80°F | 224 mm | 82% | Rainy |
| November | 27°C81°F | 25°C77°F | 129 mm | 79% | Pleasant |
| December | 27°C80°F | 24°C75°F | 69 mm | 78% | Pleasant |
Best months across Mexico
| Place | Best months | Warmest month |
|---|---|---|
| Mexico City | Mar–Apr, Oct–Nov | Apr (28°C) |
| Cancún | Nov–Apr | Aug (30°C) |
| Tulum | Nov–Mar | May (31°C) |
| Playa del Carmen | Nov–Apr | Aug (30°C) |
| Puerto Vallarta | Nov–Apr | May (38°C) |
| Cabo San Lucas | Nov–Apr | Aug (31°C) |
| Oaxaca | Oct–Mar | Apr (31°C) |
| Guadalajara | Oct–Apr | May (33°C) |
| Mérida | Nov–Mar | May (35°C) |
| San Miguel de Allende | Mar–Apr, Oct–Dec | May (30°C) |
| Puerto Escondido | Nov–Apr | Apr (36°C) |
| Cozumel | Nov–Apr | Aug (30°C) |
| Isla Mujeres | Nov–Apr | Aug (30°C) |
| Sayulita | Nov–Apr | Aug (30°C) |
| Holbox | Nov–Mar | May (31°C) |
| Bacalar | Nov–Apr | May (31°C) |
| San Cristóbal de las Casas | Nov–Apr | Apr (25°C) |
| Mazatlán | Nov–Apr | Jun (31°C) |
| Guanajuato | Feb–Apr, Oct–Nov | May (30°C) |
| Monterrey | Mar–Apr, Oct–Nov | Jun (37°C) |
| Valladolid | Nov–Mar | May (34°C) |
| La Paz | Feb–Apr, Nov–Dec | Aug (35°C) |
| Puebla | Nov–Apr | Apr (28°C) |
| Acapulco | Dec–Apr | Apr (34°C) |
| Querétaro | Nov–Mar | May (31°C) |
| Tijuana | Apr–May, Sep–Nov | Aug (31°C) |
| Puerto Morelos | Dec–Apr | Aug (30°C) |
| Mazunte | Nov–Apr | May (31°C) |
| Todos Santos | Mar–May, Nov–Dec | Jul (35°C) |
| Ajijic | Nov–Mar | May (33°C) |
Quick answers
What is the best month to visit Cozumel?
Nov–Apr. Nov–Apr is dry and cooler; Dec–Mar is busiest. Jun–Oct is hot, humid and rainy with hurricane risk; diving visibility is excellent most of the year.
When is the rainy season in Cozumel?
Rain peaks in October with about 224 mm. Months with 150 mm or more: Jun, Sep–Oct.
What is the hottest month in Cozumel?
August, with average highs of 30°C (86°F).
How cold does Cozumel get?
The coolest nights are in January, averaging 23°C (74°F).
More about Cozumel
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.