Cancun, Mexico
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May beach and weather guide

Based on 5 years of historical ERA5 climate data

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May beach conditions — historical average

Excellent
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30.8°C Temp
27.4°C Sea temp
5.0 Rain days
12.0h Sunshine hrs
75.0% Humidity
100%

Reliable conditions

5 of 5 years were good

Year by year — mid May

2025 Excellent 31.0°C · 6 rainy days · 12.0h sun
2024 Excellent 32.7°C · 1 rainy day · 12.6h sun
2023 Excellent 30.7°C · 5 rainy days · 11.8h sun
2022 Excellent 29.9°C · 5 rainy days · 12.5h sun
2021 Excellent 29.9°C · 8 rainy days · 11.0h 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 May

Based on 5 years of ERA5 historical climate data, May in Cancun has historically been excellent for a beach holiday. Average temperatures of 30.8°C with sea temperatures around 27.4°C and 5.0 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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