Mexico

Tulum in December: weather, sea & travel advice

This month's data profile

Rain shapes the decision

Tulum in December is climatically well suited to beach holidays, family holidays and city breaks. The average daily high is around 28 °C, and the sea is about 27 °C. With about 11 rainy days it is wet.

Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.

Rank among 12 monthly averages

76/100 · #5

Warmth

#11

Dryness

Sun

#12

Sea warmth

Published best categories: none

Tulum · DecemberPhoto: ironypoisoning · CC BY-SA 2.0

Average high: 28 °C
Average low: 22 °C
Sea: 27 °C
Rainy days (est.): 11 rainy days (est.)
Sun (est.): 5 h/day
Humidity: 80 %

Climate evidence with direct month comparison

The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.

Climate averages for Tulum: selected and adjacent months
Month	Avg high °C	Avg low °C	Rainy days (est.)	Precipitation mm	Sun h/day (est.)	Humidity %	Wind m/s	Sea °C	Score
November	28	23	13	103	5.3	83	1.7	28	69
December (selected)	28	22	11	61	4.9	80	1.7	27	76
January	27	22	11	65	5.0	77	1.7	27	78

How do the previous and next months compare?

Baseline: December (76/100)

Positive and negative values show the change from the selected month.

	Score Δ	Average high Δ	Average low Δ	Rainy days Δ	Rain Δ	Sun Δ	Humidity Δ	Wind Δ	Sea Δ
November	-7	+0.3 °C	+0.8 °C	+2.2	+42.7 mm	+0.4 h	+3.2 %	±0 m/s	+0.8 °C
January	+2	-0.2 °C	-0.6 °C	-0.5	+4.4 mm	+0.1 h	-2.8 %	+0.1 m/s	-0.6 °C

All twelve months in context

JanGood78 FebExcellent85 MarExcellent84 AprGood79 MayGood67 JunLimited58 JulLimited55 AugLimited53 SepLimited52 OctLimited57 NovGood69 DecGood76

Rainy days (estimated)

Sunshine hours (estimated)h/day

Average daily high°C

Sea temperature°C

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Useful next decisions

Tulum · Month by month

Ambergris Caye · December Cancún · December Cebu · December Koh Samui · December

Frequently asked questions

How warm is Tulum in December?

The average daily high is around 28 °C, with an average daily low of about 22 °C.

Can you swim in Tulum in December?

The sea is about 27 °C (very warm).

Does it rain a lot in Tulum in December?

The curated estimate is about 11 rainy days per month, not a directly measured long-term average. Total precipitation averages around 61 mm for the month. A rainy day does not mean all-day rain.

When is the best time to visit Tulum?

By the climate score, January, February, March and April are the strongest months for Tulum. For a beach trip: January, February, March and April. December is not among them.