Clima en Cancún (Riviera Maya) en mayo
Cancún en mayo: sofocante, lluvioso, con aire limpio — bien si toleras tardes de 35°C.
Actualizado: septiembre de 2026 · normales climáticas del reanálisis ERA5
n.º 6 de 12 meses en Cancún · n.º 375 de 1413 destinos para visitar en mayo · confort 86/100 (nivel A)
- Días
- 31°C
- Noches
- 25°C
- Días de lluvia
- 11
- Sol
- 11.7 h
- Humedad
- 77%
- Horas de luz
- 13 h

Cómo es mayo en Cancún
The rains begin: hot, humid and much quieter, and the sargassum season usually starts on the east-facing beaches.
monsoonshoulder
fiabilidad: high
Notas de viajeros sobre Cancún en mayo
Otros meses en Cancún
Regulars are consistent this month can turn sunny and hot for a stretch, then briefly cloudy and cool when a cold front passes through, before swinging back to sunny and hot again within a day or two. Our row backs that warm, still-showery read, 27.7C reading as a hot 30C, over 21.5C nights, with 30.1mm of rain across 7.4 days and humidity at 73 percent. Regulars are specific that tropical showers here tend to last only 5-10 minutes rather than settling in, and that packing a light sweater for cooler evenings is worth it even on an otherwise warm trip. The sea sits at a warm, swimmable 26.8C regardless of which version of the day arrives. The record: 9.8 hours of sun, a 20.4 kph wind and AQI 47.
Cancun-forum threads asking about August hurricane season are consistent the odds of an actual storm hitting are low through most of the month, ticking up only toward the very end as the wider season builds toward its September-October peak. A typical day is described as sunny, hot and humid, with forecasts often calling for rain that doesn't necessarily show up - and when it does arrive, it's usually overnight or a brief afternoon burst rather than an all-day washout. Posters call the ocean warm enough to feel almost bath-like, a genuine plus for anyone prioritizing swimming and snorkeling over cooler water. Regulars are consistent that most August trips proceed entirely normally, and recommend simply keeping half an eye on the tropical outlook rather than avoiding the month outright. The record: 31.8C days feeling like a punishing 37C, 25.2C nights, a 28.5C sea and 80 percent humidity.
Cancun-forum threads on September weather confirm it's sunny and hot with high humidity most days, a typical afternoon high around 32C that feels considerably warmer given the moisture in the air. September sits squarely in hurricane season and is one of the two busiest months for tropical activity, but posters are consistent that forecasts calling for rain and storms every day rarely match the actual experience - genuine all-day washouts are called rare, with rain more typically landing overnight or as a brief afternoon burst. Regulars recommend travel insurance covering storms as a sensible precaution, even though the odds of a direct hit on any specific week are described as slim. The clear upside: noticeably lower rates and thinner crowds than the winter high season. The record: 31.3C days feeling like a punishing 37C, 24.8C nights, 175mm across 23.3 days, 82 percent humidity, a 29.9C sea and 10.5 hours of sun.
April in Cancun is dry, hot and squarely inside the worst of the sargassum. Regulars put the peak at April through June, arriving daily and in quantity, varying by the day and by the stretch of beach; their mitigation is geography - it thins going north towards Costa Mujeres, the western shore of Isla Mujeres sees less, and many hotels rake their frontage each morning. Lent can also be very windy here, which our row's 20.9 kph reflects. The other April question is spring break: most American school breaks fall in the last two weeks of March, and the consensus is that Cancun is big enough to dilute them. The record: 29.5C days that feel like 33C, 23.7C nights, 5.7 precipitation days carrying 31.7mm and a 27.2C sea.
Las notas de todo el año están en la página general de Cancún. Añade tu propia nota desde la ficha de Cancún en el mapa.
Normales climáticas de Cancún — mayo
Medias mensuales del reanálisis ERA5. El AQI es el índice de calidad del aire de EE. UU. (US AQI) medio del mes.
Afluencia en Cancún en mayo
Cuánta gente hay en el propio lugar: vacaciones escolares y masivas, los meses que marcó el editor y cuánto atrae su clima. Nunca cuenta en la puntuación de confort.
Temporada mediaentre los picos
Máxima afluenciaConcurridoTemporada mediaTranquilo
Los mejores meses para el clima de Cancún
Ordenados según la propia puntuación de confort climático de este destino a lo largo del año, algo distinto de cuánta gente hay (consulta Afluencia, más arriba).
Clima aceptableEl clima de Cancún no cambia mucho a lo largo del año: el confort se mantiene bastante estable todos los meses.
Qué hay en Cancún en mayo
Eventos de temporada recurrentes, espectáculos naturales, cierres y festivos, seleccionados y con fuente.
- Norma
Visitor tax and park fees
1 Ene – 31 DicQuintana Roo charges every foreign visitor a state tourism fee, paid online before you fly out, and the marine parks off Isla Mujeres and Cozumel add their own per-day charge on the boat. Fuente ↗
- Temporada
Sargassum season
1 Abr – 30 Sep · normalmenteRiesgoRafts of brown seaweed pile up on the east-facing beaches, worst between May and August. It rots fast and smells, hotels rake it at dawn, and the north-facing beaches at Isla Mujeres usually escape it. Fuente ↗
- Naturaleza
Sea turtle nesting
1 May – 31 Oct · normalmenteLoggerheads and greens come up the hotel-zone beaches at night through the summer and the hatchlings run from August. Beach lighting is dimmed and the nests are fenced; the releases are run by the hotels. Fuente ↗
Cerca, y con algo en marcha
A menos de 300 km de Cancún —una excursión de un día o un trayecto corto— y con algo en marcha este mes. Nunca cuenta en la puntuación de confort.
¿Dónde está Cancún?
Cancún en mayo — preguntas frecuentes
- ¿Es mayo un buen momento para visitar Cancún?
- Cancún en mayo: sofocante, lluvioso, con aire limpio — bien si toleras tardes de 35°C. Es el mes n.º 6 de 12 en Cancún según la puntuación de confort de SeasonMap (86/100).
- ¿Qué tiempo hace en Cancún en mayo?
- En mayo, Cancún tiene una máxima media diaria de 30.7°C y una mínima de 25.1°C, con unos 84.2 mm de lluvia repartidos en unos 11.3 días de lluvia.
- ¿Cómo es la calidad del aire en Cancún en mayo?
- En mayo, Cancún tiene un índice de calidad del aire (US AQI) medio de unos 47.
A menos de 300 km: Whale shark season en Isla Mujeres, 15 May – 17 Sep y Whale shark season en Holbox, 15 May – 17 Sep.