Cancun weather in March
Cancun averages 28°C by day and 23°C at night in March, with the sea at 27°C and about 37 mm of rain in the month.
Day
28°C
Night
23°C
Sea
27°C
Rain
37 mm
Flight from London
10h
What March feels like
March is hot in Cancun: proper beach weather.
The sea is warm at 27°C: comfortable for long swims.
Rain is occasional: about 37 mm in the month.
That is 17°C warmer than an average March day in London.
Of the 56 sun destinations we track, Cancun is the #22 warmest in March.
Want it warmer in March?
These are hotter than Cancun this month for at most an hour and a half more flying:
Cancun weather by month
March is highlighted. Compare with February and April, or see the full year in Cancun.
| Month | Day | Night | Sea | Rain |
|---|---|---|---|---|
| January | 26°C | 22°C | 27°C | 82 mm |
| February | 27°C | 23°C | 27°C | 47 mm |
| March | 28°C | 23°C | 27°C | 37 mm |
| April | 29°C | 24°C | 27°C | 40 mm |
| May | 30°C | 25°C | 27°C | 85 mm |
| June | 30°C | 26°C | 28°C | 197 mm |
| July | 31°C | 26°C | 29°C | 97 mm |
| August | 31°C | 26°C | 29°C | 132 mm |
| September | 31°C | 25°C | 29°C | 180 mm |
| October | 29°C | 25°C | 29°C | 180 mm |
| November | 28°C | 23°C | 29°C | 109 mm |
| December | 27°C | 22°C | 28°C | 82 mm |
Cancun in March: quick answers
Is Cancun hot in March?
March is hot in Cancun: proper beach weather. Average highs are 28°C and lows 23°C.
Can you swim in Cancun in March?
The sea is warm at 27°C: comfortable for long swims.
Does it rain in Cancun in March?
Rain is occasional: about 37 mm in the month.
What is the warmest month in Cancun?
July, at an average high of 31°C. The coolest is January at 26°C.
How long is the flight to Cancun from the UK?
About 10h direct from London, estimated from the 7,940 km distance. Check your airline for exact times.
Still choosing? See where is hot in March for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in March from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. Rain is the average monthly total. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Cancun in March?
Save the restaurants, beaches and views you find on TikTok and Instagram for Cancun straight to a map, then let Dream Trip turn them into a day-by-day plan.
