Cancun, Mexico
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January beach and weather guide

Based on 5 years of historical ERA5 climate data

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January beach conditions — historical average

Good
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26.4°C Temp
26.9°C Sea temp
7.6 Rain days
9.2h Sunshine hrs
78.2% Humidity
100%

Reliable conditions

5 of 5 years were good

Year by year — mid January

2025 Excellent 27.3°C · 9 rainy days · 9.3h sun
2024 Good 27.8°C · 11 rainy days · 8.6h sun
2023 Excellent 26.7°C · 5 rainy days · 10.0h sun
2022 Good 25.6°C · 8 rainy days · 9.3h sun
2021 Good 24.8°C · 5 rainy days · 8.9h sun

Other months in Cancun

November December January February March April May

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Each trip type is scored on what matters most for it — snow days for skiing, sea temp for beach, sunshine for sightseeing.

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About Cancun in January

Based on 5 years of ERA5 historical climate data, January in Cancun has historically been good for a beach holiday. Average temperatures of 26.4°C with sea temperatures around 26.9°C and 7.6 rainy days on average.

5 of the last 5 years had good beach conditions during this period. This data uses ERA5 reanalysis records — real historical measurements, not generalised averages.

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