UV index in Cancún in February

In February, the UV index in Cancún typically peaks around 6.7 at midday — high on the WHO scale — with individual days reaching 7.8 in recent years. Sun protection is needed around the middle of the day.

How fast would you burn?

Estimated time to sunburn in unprotected midday sun at UV 6.7:

Skin typeTime to burn
I — Very fair~20 min
II — Fair~25 min
III — Medium~35 min
IV — Olive~45 min

Estimates from typical minimal erythemal doses — see methodology. Darker types (V–VI) burn slower still. Reflection off water or sand shortens all of these.

What to do about it

Planning a trip? Check the live UV index in Cancún closer to your dates — day-to-day cloud cover moves the real number around this average.

Cancún's UV year at a glance

MonthTypical midday peakLevel
January5.6Moderate
February6.7High
March8Very high
April8.7Very high
May9Very high
June8.1Very high
July8.7Very high
August8.6Very high
September7.8High
October7High
November5.9Moderate
December5.4Moderate

The strongest month is May (typical peak 9); the gentlest is December (typical peak 5.4).

January · Cancún live · March

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