Roatán or Cancún in March?
On climate data, Cancún comes out ahead overall in March. See the per-criterion details below.
RoatánPhoto: Pgbk1987 · CC BY-SA 3.0
CancúnPhoto: Luka Peternel · CC BY-SA 4.0Key figures in March
| Criterion | Roatán | Cancún |
|---|---|---|
| Average daily high | 27 °C | 28 °C |
| Average daily low | 26 °C | 23 °C |
| Sea | 27 °C ★ | 26 °C |
| Rainy days | 9 rainy days (est.) | 6 rainy days (est.) ★ |
| Sun | 8 h/day ★ | 7 h/day |
| Humidity | 79 % | 73 % |
Winner by travel type
Trade-offs
- Cancún is drier, with about 3 fewer rainy days.
Roatán or Cancún in March: the short answer
In March, Cancún comes out ahead on the overall climate score (Roatán 84/100 vs Cancún 86/100). That is a snapshot of one month, though — which one truly fits depends on what you want from the trip, so the breakdown below goes criterion by criterion.
This comparison focuses on March as a representative month for the pair; for any other month, use each destination's month-by-month pages. Across the whole year Roatán averages a climate score of 65/100, Cancún 69/100. Both profiles below are historical monthly averages, not a forecast.
Weather in March, side by side
The average daily high is about 27 °C in Roatán and 28 °C in Cancún — warmer in Cancún. Average daily lows are around 26 °C versus 23 °C.
On rain, Roatán sees about 9 rainy days in March and Cancún about 6 — drier in Cancún. Roatán gets more sunshine (8 vs 7 hours a day).
Sea temperature and swimming
In March the water is about 27 °C at Roatán and 26 °C at Cancún — warmer for swimming at Roatán. Over the year, Roatán is comfortable for swimming (from ~21 °C) in January, February, March, April, May, June, July, August, September, October, November and December, Cancún in January, February, March, April, May, June, July, August, September, October, November and December. Peak sea warmth is September for Roatán and September for Cancún.
Rain and sun across the year
Over a full year Roatán records roughly 238 rainy days and Cancún about 170 — the drier of the two overall is Cancún. At their sunniest, Roatán reaches about 8 hours of sun a day (April) and Cancún about 8 (July). If dependable dry, sunny weather is your top priority, weigh these annual totals alongside the single month above.
Best time to visit each
Climatically, Roatán is at its best in January, February, March and April, while Cancún peaks in January, February, March and April. If your dates are fixed, pick the destination whose strong season overlaps them; if you are flexible, plan around these windows.
Which suits which kind of trip
Based on the March scores for each travel style:
Beach & swimming: Cancún scores higher in March (Roatán 91 vs Cancún 94).
City breaks: Roatán scores higher in March (Roatán 83 vs Cancún 82).
Active & hiking: Cancún scores higher in March (Roatán 66 vs Cancún 68).
Family: Cancún scores higher in March (Roatán 88 vs Cancún 91).
Verdict: which should you pick?
There is no single winner — it depends on your month and your priority. For March specifically, use the head-to-head above; over the year, Cancún carries the slightly higher overall climate score. Choose Roatán if its strong months and profile match your plan, Cancún if its do. The month-by-month pages for each destination give you the full picture before you book.