Cancún Climate by Month
Cancún, Quintana Roo, Mexico
Warm all year, with rain spread through the year.
The climate in Cancún is warm all year, with rain spread through the year. August is the warmest month, with highs around 93°F (34°C); January is the coolest at 84°F (29°C), and nights dip to 64°F (18°C). It gets 45 in (1135 mm) of rain a year, spread across the months.
- Warmest month
- 93°F(34°C)
- Average high, August
- Coldest nights
- 64°F(18°C)
- Average low, January
- Rain per year
- 45 in(1135 mm)
- No clear rainy season
- Humidity
- 78%
- Sunniest: July
Best and worst months in Cancún
Best for weatherThe most comfortable weather comes from January to March, with highs around 86°F (30°C) and about 1.7 in (43 mm) of rain a month.
Least pleasantSeptember and October are the least pleasant; September is the hottest, with highs of 92°F (33°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Cancún weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 84°F(29°C) | 64°F(18°C) | 2.7 in(68 mm) | 77% | 3.9 |
| FebFebruaryBest | 86°F(30°C) | 65°F(18°C) | 1.3 in(33 mm) | 77% | 4.8 |
| MarMarchBest | 87°F(31°C) | 67°F(19°C) | 1.1 in(29 mm) | 73% | 5.5 |
| AprApril | 90°F(32°C) | 70°F(21°C) | 2.0 in(50 mm) | 75% | 5.7 |
| MayMay | 92°F(33°C) | 73°F(23°C) | 3.6 in(92 mm) | 75% | 5.9 |
| JunJune | 92°F(33°C) | 74°F(24°C) | 5.7 in(144 mm) | 77% | 5.6 |
| JulJuly | 93°F(34°C) | 75°F(24°C) | 3.1 in(79 mm) | 78% | 6.0 |
| AugAugust | 93°F(34°C) | 74°F(24°C) | 4.4 in(112 mm) | 78% | 5.6 |
| SepSeptember | 92°F(33°C) | 74°F(23°C) | 7.1 in(180 mm) | 81% | 5.2 |
| OctOctober | 89°F(32°C) | 72°F(22°C) | 7.6 in(192 mm) | 81% | 4.5 |
| NovNovember | 86°F(30°C) | 68°F(20°C) | 3.7 in(94 mm) | 78% | 4.1 |
| DecDecember | 85°F(29°C) | 66°F(19°C) | 2.4 in(62 mm) | 80% | 3.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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