Sun, sea & sand

Tulum weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

85

Holiday weather in May

Excellent

Best time to visit: July, November – May

What is the weather like in Tulum in May?

In May, Tulum is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 28.2 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 83 mm in total. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is an excellent month for a holiday in Tulum.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score938574
Day29°30°29°
Night25°26°26°
Sea27°28°29°
Sun8 h8 h7 h
Rain days71320

More details for May

Daylight
13 h 5 min06:14 – 19:18
UV index
12 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or more
Wind
20 km/haverage daily peak
Cloud cover
47 %on average
Hot days
8 days30 °C or more
Time zone
UTC−5America/Cancun

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %87 %
  • Few rainy daysweight 20 %38 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in May

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Tulum in May: quick answers

Is Tulum hot in May?

Yes. In May, Tulum is hot: daytime highs average 30 °C and nights stay around 26 °C. On about 8 days the thermometer climbs to 30 °C or more.

Can you swim in Tulum in May?

Yes. In May the sea averages 28.2 °C – lovely and warm for swimming.

Does it rain much in Tulum in May?

Rain is frequent, with about 13 rainy days and 83 mm in total.

Tulum month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)