CancúnPhoto: Luka Peternel · CC BY-SA 4.0Mexico · North America
Best time to visit Cancún
Cancún and the Riviera Maya offer warm, turquoise Caribbean water year-round. Average daily maximum temperatures in Cancún are practically tied in May and August at around 31 °C.
Climate decision
Best travel months for Cancún
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Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
December · Wet days
15 days/month
1991–2025: 11.3 days/month
+3.7 days/month · higher
January · Monthly precipitation
112.9 mm/month
1991–2025: 79.2 mm/month
+33.7 mm/month · higher
October · Mean daily maximum
29.9 °C
1991–2025: 28.8 °C
+1 °C · higher
August · Sea temperature
29.7 °C
1991–2025: 29.2 °C
+0.5 °C · similar
September: 101/150 days at or above 30 °C; highest single value 34.2 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Rainfall rhythm
Cancún: rainfall separates the travel months
The driest and wettest months are 17.5 rainy days apart. Average daily highs vary by 4.1 °C, so both signals matter when choosing a month.
What matters
A warmer month is not automatically the most reliable. Read the drier windows alongside sunshine, sea temperature and the activity you have in mind.
Fewest rainy days
April · 6.3
Most rainy days
September · 23.8
Most sunshine
July · 8.2 h
Warmest sea
September · 29.2 °C
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | 26 | 22 | 11 | 79 | 4.9 | 77 | 2.5 | 27 | 79 |
| February | 27 | 22 | 7 | 49 | 6.1 | 75 | 2.5 | 26 | 86 |
| March | 28 | 23 | 6 | 39 | 7.3 | 73 | 2.6 | 26 | 86 |
| April | 30 | 24 | 6 | 40 | 8.1 | 72 | 2.5 | 27 | 82 |
| May | 31 | 26 | 11 | 85 | 8.1 | 74 | 2.3 | 28 | 69 |
| June | 30 | 26 | 18 | 173 | 7.5 | 81 | 2.3 | 28 | 59 |
| July | 30 | 26 | 18 | 91 | 8.2 | 80 | 2.0 | 29 | 56 |
| August | 31 | 27 | 21 | 120 | 7.9 | 80 | 1.9 | 29 | 52 |
| September | 30 | 27 | 24 | 175 | 6.9 | 82 | 1.9 | 29 | 53 |
| October | 29 | 26 | 21 | 198 | 5.9 | 82 | 2.3 | 29 | 57 |
| November | 28 | 24 | 14 | 117 | 5.1 | 79 | 2.5 | 28 | 69 |
| December | 27 | 23 | 11 | 76 | 4.7 | 78 | 2.5 | 27 | 77 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
Find a place to stay
Where to stay in Cancún
Compare available stays, prices and cancellation terms for Cancún on Booking.com.
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Similar destinations
The number is the overall climate score, not a similarity score.
Frequently asked questions
When is the best time to visit Cancún?
The strongest climate months are January, February, March, April. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Cancún?
Average daily maximum temperatures in Cancún are practically tied in May and August at around 31 °C.
When is the sea warmest at Cancún?
In September, at around 29 °C.