Cancun weather by month
Cancun weather by month keeps the sea warm all year, 26 °C to 29 °C, with a dry spring, 26 mm of rain in April, and a wet autumn, 227 mm in October.
Cancun in November, daytime high
30 °C
| Night low | 21 °C |
| Sea surface | 28 °C |
| Rain in the month | 119 mm |
| Days with 1 mm or more | 9 days |
| Daylight | 11 h 06 min |
| October, daytime high | 31 °C |
| December, daytime high | 29 °C |
Averages 1991 to 2020 at Cancun. A typical month, not a forecast. Method.
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Cancun sits on the north-east tip of Mexico's Yucatán peninsula, facing the Caribbean, and the coast south of it, the Riviera Maya, runs through Playa del Carmen to Tulum. Our figures come from the Cancun station, averaged over 1991 to 2020. The temperature is tropical and steady: 28 °C by day in January, 35 °C in August, with nights between 19 °C and 24 °C. The sea never falls below 26 °C. Rain decides the seasons. February to April is the driest stretch, with 4 days of rain in March and 2 days in April. The wet season builds from May and peaks in September and October, with 227 mm in October on about 13 days. That is also the heart of the Atlantic hurricane season, which runs from 1 June to 30 November according to the US National Hurricane Center.
Cancun weather by month, 1991 to 2020
| Month | Daytime high | Night low | Sea | Rain | Wet days | Daylight |
|---|---|---|---|---|---|---|
| January | 28 °C | 19 °C | 27 °C | 107 mm | 7 days | 11 h 00 min |
| February | 29 °C | 20 °C | 26 °C | 50 mm | 4 days | 11 h 24 min |
| March | 31 °C | 21 °C | 26 °C | 42 mm | 4 days | 12 h 00 min |
| April | 32 °C | 22 °C | 27 °C | 26 mm | 2 days | 12 h 36 min |
| May | 34 °C | 24 °C | 28 °C | 86 mm | 5 days | 13 h 06 min |
| June | 34 °C | 24 °C | 28 °C | 158 mm | 9 days | 13 h 24 min |
| July | 34 °C | 24 °C | 29 °C | 79 mm | 7 days | 13 h 18 min |
| August | 35 °C | 24 °C | 29 °C | 94 mm | 8 days | 12 h 48 min |
| September | 34 °C | 24 °C | 29 °C | 178 mm | 11 days | 12 h 12 min |
| October | 31 °C | 23 °C | 29 °C | 227 mm | 13 days | 11 h 36 min |
| November | 30 °C | 21 °C | 28 °C | 119 mm | 9 days | 11 h 06 min |
| December | 29 °C | 20 °C | 27 °C | 80 mm | 7 days | 10 h 54 min |
Cancun in winter and spring
From December to April the coast averages 29 °C to 32 °C by day with a sea of 26 °C, and rain is light. That makes it one of the strongest long-haul winter options from Britain, alongside Phuket and Dubai. The difference with Dubai is the sea: 27 °C in Cancun in January against 22 °C in the Gulf.
Cancun in summer and autumn
July and August are hot, 34 °C and 35 °C, with rain on about 7 days and 8 days, usually in showers. September and October are the wettest and the riskiest for storms. For the summer holidays, compare with Orlando, which is wetter in July and August, or with the eastern Mediterranean, which is dry.