Start of the wetter season · Weather & things to do
Bacalar in May
Bacalar's warmest month brings highs averaging 88°F (31°C), lows of 78°F (26°C) and about 5.1 in (130 mm) of rain.
Our comfort score puts it mid-table at 63/100, 7th of 12.

- Avg high
- 88°F (31°C)
- Avg low
- 78°F (26°C)
- Rain
- 5.1 in (130 mm)
- Humidity
- 74%
- Cloud cover
- 54%
- Daylight
- ~12 h 53 min
- Comfort score
- 63/100 · Good
What May feels like
Heat sets the pace, with highs around 88°F (31°C). Get out early and keep the hottest hours for somewhere cool.
Nights stay warm too, with lows averaging 78°F (26°C).
Rain is a real factor, with about 5.1 in (130 mm) across the month.
Plan around May
May sits mid-table; the best months are December – April.
- Comfort slips from 82/100 in April to 63/100.
- Our Tulum & Riviera Maya route recommends Dec – Apr, so May falls outside its suggested window.
What to pack for May
- Light, breathable clothes88°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost picks involve some walking
What to do in Bacalar in May
Start early and take shelter at midday: the picks below pair morning outings with places to cool off.
Cenote Azul
90-m deep cenote for swimming, with a lakeside restaurant.
Why now May scores 63/100 for comfort, good conditions for being outside.
Bacalar Lagoon Sailboat Tour
Sail the lagoon of seven colors to the Pirates' Channel and Bird Island.
Why now Highs near 88°F and 5.1 in of monthly rain make this an easy outdoor pick.
Chacchoben
Maya ruins in the jungle with restored temples.
Cenote Cocalitos
Lagoon spot with stromatolites and hammocks in the water.
Why now One to do outside while the weather is on your side.
Nearby in May
- Tulum in May~122 mi · highs 87°F, 4.3 in rain · similar daytime temperatures, drier
- Playa del Carmen in May~160 mi · highs 84°F, 3.9 in rain · 2°C (3°F) cooler by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Bacalar in May: quick answers
Is May a good time to visit Bacalar?
It's middling, scoring 63/100. The best months are December – April, at up to 87. Expect highs of 88°F (31°C) and 5.1 in (130 mm) of rain. Our Tulum & Riviera Maya route recommends Dec – Apr, so May is outside its suggested window.
How hot is Bacalar in May?
Average highs are 88°F (31°C) and average lows 78°F (26°C), making it the warmest month by daytime highs.
Does it rain a lot in Bacalar in May?
Yes: about 5.1 in (130 mm) of rain falls across May on average, the 5th-wettest month of the year. The annual total is about 54.8 in (1392 mm).
What should I pack for Bacalar in May?
Bring light, breathable clothes (88°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most picks involve some walking).
Planning Bacalar in May?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.





