Experience the tropical charm of Cancun, Mexico, where the average temperature ranges from 75°F (24°C) in winter to 86°F (30°C) in summer. Humidity hovers around 80%, making it feel even warmer. The wettest months are September and October, with an average of 10 inches (254mm) of rainfall. Visit between December and April for the best weather, less rain, and ideal conditions for exploring Mayan ruins or diving in the crystal-clear Caribbean waters. Don't miss a sunset sail on Nichupté Lagoon to truly appreciate Cancun's enchanting weather.
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Cancún Climate & Weather Averages
Cancún is warmest in August, when daytime highs average 31°C, and coldest in January at around 26°C. The wettest month is June. The table below shows the monthly averages for Cancún, based on recorded data from 2015–2024.
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 26° | 22° | 75 mm |
| Feb | 27° | 22° | 46 mm |
| Mar | 28° | 23° | 37 mm |
| Apr | 29° | 24° | 39 mm |
| May | 30° | 25° | 83 mm |
| Jun | 30° | 25° | 198 mm |
| Jul | 31° | 26° | 87 mm |
| Aug | 31° | 26° | 131 mm |
| Sep | 30° | 26° | 182 mm |
| Oct | 29° | 25° | 181 mm |
| Nov | 28° | 23° | 111 mm |
| Dec | 27° | 23° | 83 mm |
A warming climate: Cancún's warmest month (August) has warmed from an average high of 30°C in the 1950s to 31°C today — a shift of +1°C over roughly seventy years.
Best time to visit: January–March offers the most comfortable conditions, with daytime highs around 27°C. Pack light, breathable layers and a light waterproof — Cancún sees rain year-round, peaking in June. For the coldest spell around January, bring a warm coat.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.