What December feels like in Tulum
December sits between Tulum's dry and wet seasons. Days are warm enough for short sleeves, and time outdoors is easy. The gap between afternoon and night is small, so nights stay warm and the temperature hardly changes after dark. The air is muggy, so it feels hotter than the thermometer suggests.
Rain in Tulum in December
Dry days are the exception, with rain on about every other day. Wet days average about 4.9 mm (0.2 in), enough to soak you without an umbrella. That is lighter than the city's yearly norm of about 7 mm per rainy day.
How December compares to the rest of the year
Ranked by average high, December comes out as the 2nd coolest month in Tulum. Compared with November, afternoons are 0.8°C (1.4°F) cooler, with 28 mm less rain. Temperatures keep falling into January. The next month's average high: 26.4°C (79.5°F).
Who December suits
- Sightseeing: a good fit — comfortable enough to explore on foot all day.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
Tips for visiting Tulum in December
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Sunglasses
Frequent sunshine — sunglasses and a light hat.
Quick questions
How warm is Tulum in December?
Afternoons average 27°C (80.6°F) and nights about 22.2°C (72°F) — warm by most people's standards. It is the 2nd coolest month of the year.
Does it rain a lot in Tulum in December?
It does: about 14 rainy days bring roughly 69 mm, so plan some indoor options.
What should I wear in Tulum in December?
The numbers point to rain protection and sunglasses. Evenings feel similar to the day, so the same clothes work from morning to night.
Is December or January better for visiting Tulum?
On our 12-month climate ranking, January comes out ahead (#4 of 12 vs #5). January has fewer rainy days.
