Weather & travel · verified 2026-10-02
Holbox in May: weather, crowds & prices
Typical highs 32°C / 90°F, lows 24°C / 75°F, sea 27°C. Expect 90 mm of rain across 8 rainy days, afternoon winds of 18 km/h. Crowds are moderate; rates are shoulder-season rates.
May by the numbers
Temperature
32° / 24°C
90° / 75°F
Sea surface
27°C
81°F
Rainfall
90 mm
~8 rain days
Humidity
78%
afternoon avg
Wind
18 km/h
afternoon avg
Crowds
Moderate
Prices
Shoulder-season rates
Hurricane risk
Low
Pros
- Whale shark season opens May 15 — early-season tours are less crowded
- Hotels in shoulder-rate zone
- Sea warm enough for all-day swimming
- Flamingo activity picks up at Yalahau
Cons
- Rainy season starts — brief but heavy afternoon showers
- Sargassum on east beaches
- Mosquitoes start appearing
Insider tip
Book a whale shark tour for the last week of May — season is officially open, tourist crowds still thin, and operator prices haven't fully peaked.
What’s active in May
water
Whale sharks
Open
auto_awesome
Bioluminescence
Viewable
waves
Sargassum pressure
Moderate
air
Kitesurfing wind
Light
FAQ
- Is May a good month to visit Isla Holbox?
- Whale shark season opens May 15 — early-season tours are less crowded Hotels in shoulder-rate zone Downsides: rainy season starts — brief but heavy afternoon showers and sargassum on east beaches.
- What's the weather like on Holbox in May?
- Typical highs around 32°C (90°F), lows around 24°C (75°F). Sea surface temperature averages 27°C. Expect roughly 90mm of rainfall across 8 rain days, and afternoon winds around 18 km/h. Humidity sits near 78%.
- What are prices and crowds like in May?
- Moderate crowds with shoulder-season rates. Walk-up or 1-2 weeks ahead usually works fine.
- Can I see whale sharks in May?
- Yes — season is open. Sightings are frequent though not yet at peak density.
- What about bioluminescence in May?
- Available year-round but variable. Pick a new-moon night for best viewing. See /bioluminescence for a 14-night forecast.
See also: 7-day live forecast · Sargassum today · Whale shark season · Bioluminescence tonight