Start of the drier season · Weather & things to do
Bacalar in December
Little changes in Bacalar from November: highs stay near 81°F (27°C), lows near 72°F (22°C), and about 3.2 in (81 mm) of rain falls.
December opens the best stretch on our comfort score, at 81/100 (5th of 12).

- Avg high
- 81°F (27°C)
- Avg low
- 72°F (22°C)
- Rain
- 3.2 in (81 mm)
- Humidity
- 80%
- Cloud cover
- 46%
- Daylight
- ~10 h 53 min
- Comfort score
- 81/100 · Great
What December feels like
Highs settle around 81°F (27°C), warm enough for short sleeves.
Even at night it stays warm, around 72°F (22°C).
Humidity averages 80%, so the air feels sticky and the heat feels stronger than the thermometer says.
Showers are part of the month, adding up to about 3.2 in (81 mm).
Plan around December
December is one of Bacalar's best months on the climate data.
- The drier spell starts: rain falls to 3.2 in (81 mm) after 5.0 in (128 mm) in November.
- Opens the best-scoring stretch on our comfort score: December – April.
- Shortest days of the year, about 10 h 53 min of daylight.
- Comfort improves from 73/100 in November to 81/100.
- December sits inside the Dec – Apr window our Tulum & Riviera Maya route recommends.
What to pack for December
- Light, breathable clotheshighs average 81°F
- Quick-dry fabrics80% average humidity
- Packable rain jacket or umbrellaabout 3.2 in of rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Bacalar in December
December is good outdoor weather here, so these picks lean toward the open air.
Nixtamal
Wood-fire and ember cooking built on heirloom corn: tlayudas, tostadas and smoked fish a few blocks from the lagoon.
Noru Bacalar
Lagoon-front Japanese-fusion spot with sushi, mezcal and signature cocktails, open until midnight. Formerly Nao.
Los Rápidos
Section of lagoon with a gentle current you can float down.
Why now December scores 81/100 for comfort, good conditions for being outside.
Fuerte de San Felipe
18th-century fort built against pirates, with a museum overlooking the lagoon.
Cenote Cocalitos
Lagoon spot with stromatolites and hammocks in the water.
Why now Highs near 81°F and 3.2 in of monthly rain make this an easy outdoor pick.
Nearby in December
- Tulum in December~122 mi · highs 81°F, 2.4 in rain · similar daytime temperatures, drier
- Playa del Carmen in December~160 mi · highs 80°F, 2.7 in rain · similar daytime temperatures, about as wet
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 December: quick answers
Is December a good time to visit Bacalar?
Yes. On the climate data it's one of the best months, scoring 81/100. Expect highs of 81°F (27°C) and 3.2 in (81 mm) of rain. December is inside the Dec – Apr window our Tulum & Riviera Maya route recommends.
How hot is Bacalar in December?
Average highs are 81°F (27°C) and average lows 72°F (22°C), making it the 2nd-coldest month by daytime highs.
Does it rain a lot in Bacalar in December?
Some: about 3.2 in (81 mm) of rain falls across December on average, the 5th-driest month of the year. The annual total is about 54.8 in (1392 mm).
What should I pack for Bacalar in December?
Bring light, breathable clothes (highs average 81°F), quick-dry fabrics (80% average humidity), packable rain jacket or umbrella (about 3.2 in of rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Routes in season in December
- Tulum & Riviera Maya Dec – Apr
Planning Bacalar in December?
Share this December plan with your group, poll everyone on dates and keep the packing list in one place.





