Cancun weather in March 2026

Q: How hot is it in Cancun in March?

Daytime temperatures usually reach 30°C in Cancun in March with high heat and humidity, falling to 19°C at night.

Q: How sunny is it in Cancun in March?

There are normally 8 hours of bright sunshine each day in Cancun in March - that's 62% of daylight hours.

Q: How warm is the sea around Cancun in March?

The average sea temperature around Cancun in March is 26°C.

Q: Does it ever rain in Cancun in March?

There are usually 3 days with some rain in Cancun in March and the average monthly rainfall is 36mm.

Expect daytime maximum temperatures of 30°C in Cancun, Mexico's Caribbean Coast in March and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average.

30
30°C max day temperature
8
8 hours of sunshine per day
3
3 days with some rainfall
19
19°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
36
36 mm of monthly rainfall
11
11 (Extreme) UV index
26
26°C sea temperature

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The March weather guide for Mexico's Caribbean Coast (Cancun) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)