Weather & travel · verified 2026-10-02
Holbox in August: weather, crowds & prices
Typical highs 33°C / 91°F, lows 25°C / 77°F, sea 29°C. Expect 130 mm of rain across 11 rainy days, afternoon winds of 15 km/h. Crowds are high; rates are high-season rates.
August by the numbers
Temperature
33° / 25°C
91° / 77°F
Sea surface
29°C
84°F
Rainfall
130 mm
~11 rain days
Humidity
80%
afternoon avg
Wind
15 km/h
afternoon avg
Crowds
High
Prices
High-season rates
Hurricane risk
Elevated
Travel insurance required
Pros
- Still peak whale shark — great sighting odds through mid-August
- European holiday crowds give the island a social-season feel
- Warmest sea of the year
Cons
- Peak sargassum pressure on east beaches (Playa Norte usually fine)
- Hurricane risk increasing through the month
- Afternoon rains intense
- Humidity + heat is physically draining
Insider tip
Book travel insurance that covers hurricane evacuation. One major system can cancel your week.
What’s active in August
water
Whale sharks
Peak season
auto_awesome
Bioluminescence
Viewable
waves
Sargassum pressure
Heavy
air
Kitesurfing wind
Light
FAQ
- Is August a good month to visit Isla Holbox?
- Still peak whale shark — great sighting odds through mid-August European holiday crowds give the island a social-season feel Downsides: peak sargassum pressure on east beaches (playa norte usually fine) and hurricane risk increasing through the month.
- What's the weather like on Holbox in August?
- Typical highs around 33°C (91°F), lows around 25°C (77°F). Sea surface temperature averages 29°C. Expect roughly 130mm of rainfall across 11 rain days, and afternoon winds around 15 km/h. Humidity sits near 80%.
- What are prices and crowds like in August?
- High crowds with high-season rates. Book 4-8 weeks ahead for best availability.
- Can I see whale sharks in August?
- Yes — this is PEAK season. Highest sighting density of the year. Book your tour the day you arrive if you can.
- What about bioluminescence in August?
- 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