Tulum, Mexico skyline

Tulum Weather in May

What May is usually like in Tulum, Mexico — from 2006–2025 averages.

Expect Tulum to reach about 29.8°C (85.6°F) by day and 25.2°C (77.4°F) at night in May, with 14 rainy days bringing 107 mm and around 11.8 hours of sunshine each day.

Avg high

29.8°C (85.6°F)

Avg low

25.2°C (77.4°F)

Rainfall

107 mm (4.2 in)

Rainy days

14 days

Sunshine

11.8 h / day

Humidity

78%

May vs the rest of the year

May is warmer than 8 of the other 11 months, and the 5th wettest month in Tulum.

MonthAvg highvs MayRainRainy days
January26.4°C (79.5°F)−3.4°C (−6.1°F)61 mm13
February27.1°C (80.8°F)−2.7°C (−4.9°F)37 mm10
March27.9°C (82.2°F)−1.9°C (−3.4°F)35 mm9
April29°C (84.2°F)−0.8°C (−1.4°F)40 mm8
May29.8°C (85.6°F)—107 mm14
June29.7°C (85.5°F)−0.1°C (−0.2°F)210 mm21
July30.4°C (86.7°F)+0.6°C (+1.1°F)99 mm17
August30.7°C (87.3°F)+0.9°C (+1.6°F)141 mm19
September30.2°C (86.4°F)+0.4°C (+0.7°F)182 mm22
October29.3°C (84.7°F)−0.5°C (−0.9°F)182 mm20
November27.8°C (82°F)−2°C (−3.6°F)97 mm13
December27°C (80.6°F)−2.8°C (−5°F)69 mm14

What May feels like in Tulum

May sits between Tulum's dry and wet seasons. The midday hours are hot; shade and water matter on long walks. Even after dark it stays hot and sultry. High humidity makes the heat feel heavier and sticky, especially on still afternoons.

Rain in Tulum in May

Rain is part of normal life this month, falling on about every other day. Each rainy day adds about 7.6 mm (0.3 in), a proper wetting rather than a sprinkle. The yearly figure is similar, around 7 mm per wet day.

How May compares to the rest of the year

Ranked by average high, May comes out as the 4th warmest month in Tulum. Compared with April, afternoons are 0.8°C (1.4°F) warmer, with 67 mm more rain. Temperatures keep climbing into June. The next month's average high: 29.7°C (85.5°F).

Who May suits

  • Sightseeing: a good fit — daytime temperatures are fine for walking around.
  • Parks & outdoor: less ideal — afternoons are too warm to linger outside.

Tips for visiting Tulum in May

Rain Protection

A compact umbrella and a light waterproof jacket.

Sun Protection

Sunscreen, a hat and sunglasses; light breathable clothes.

Quick questions

How warm is Tulum in May?

Afternoons average 29.8°C (85.6°F) and nights about 25.2°C (77.4°F) — hot by most people's standards. It is the 4th warmest month of the year.

Does it rain a lot in Tulum in May?

It does: about 14 rainy days bring roughly 107 mm, so plan some indoor options.

What should I wear in Tulum in May?

The numbers point to rain protection and sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.

Is May or June better for visiting Tulum?

On our 12-month climate ranking, May comes out ahead (#7 of 12 vs #12). June has more rainy days.

Is May a good time to visit Tulum?

Good

Good — warm to hot days, frequent rain (about 14 rainy days), plenty of sunshine (11.8 h a day). Within Tulum's own year, May ranks #7 of 12.

May in other Mexico cities

Drier places in May

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Tulum weather by month.