Mexico
Cancún in January: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Cancún in January is climatically well suited to family holidays, beach holidays and city breaks. The average daily high is around 26 °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
79/100 · #4
Warmth
#12
Dryness
#5
Sun
#11
Sea warmth
#10
Published best categories: Overall, Beach, City break, Active, Family
Cancún · JanuaryPhoto: Luka Peternel · CC BY-SA 4.0Climate facts
- Average high
- 26 °C
- Average low
- 22 °C
- Sea
- 27 °C
- Rainy days (est.)
- 11 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 77 %
For your trip planning
January: close to December, wetter than February
Although January is the coolest month in our Cancún series, it counts among the best months overall and for beach trips. Average daily highs sit just below December, and precipitation is almost the same. February is clearly drier, with fewer estimated rainy days. A sea temperature of 27 °C in our data makes swimming plausible.
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| December | 27 | 23 | 11 | 76 | 4.7 | 78 | 2.5 | 27 | 77 |
| January (selected) | 26 | 22 | 11 | 79 | 4.9 | 77 | 2.5 | 27 | 79 |
| February | 27 | 22 | 7 | 49 | 6.1 | 75 | 2.5 | 26 | 86 |
How do the previous and next months compare?
Baseline: January (79/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| December | -2 | +0.4 °C | +0.8 °C | +0.3 | -2.7 mm | -0.2 h | +1.5 % | -0.1 m/s | +0.6 °C |
| February | +7 | +0.8 °C | +0.2 °C | -3.7 | -29.7 mm | +1.2 h | -1.5 % | ±0 m/s | -0.2 °C |
All twelve months in context
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Frequently asked questions
How warm is Cancún in January?
The average daily high is around 26 °C, with an average daily low of about 22 °C.
Can you swim in Cancún in January?
The sea is about 27 °C (warm).
Does it rain a lot in Cancún in January?
The curated estimate is about 11 rainy days per month, not a directly measured long-term average. Total precipitation averages around 79 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Cancún?
By the climate score, January, February, March and April are the strongest months for Cancún. For a beach trip: January, February, March and April. January is one of them.