Best Time to Dive Andaman and Nicobar Islands
Across 7 Andaman and Nicobar Islands dive sites with multi-year conditions history, January, February, March, April and December historically show the most favorable days — 100% of sampled days in the good band. The next-highest months are October (99%), June (99%) and November (99%). May historically shows the fewest favorable days (86% of sampled days). Average water temperature in the sample runs from about 29°C in January to 31°C in May. Typical seas range from 0.5 m to 1.3 m of significant wave height through the year. These figures are historical climatology computed from measured conditions — patterns, not a forecast or a guarantee.
Computed from our own conditions climatology — measured history, not brochure copy.
Which months are historically most favorable in Andaman and Nicobar Islands?
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 100% | 29°C | 0.7 m |
| Feb | 100% | 29°C | 0.6 m |
| Mar | 100% | 29°C | 0.5 m |
| Apr | 100% | 31°C | 0.5 m |
| May | 86% | 31°C | 0.9 m |
| Jun | 99% | 30°C | 1.2 m |
| Jul | 91% | 29°C | 1.3 m |
| Aug | 97% | 29°C | 1.0 m |
| Sep | 98% | 29°C | 1.1 m |
| Oct | 99% | 29°C | 0.7 m |
| Nov | 99% | 29°C | 0.8 m |
| Dec | 100% | 29°C | 0.8 m |
% = share of sampled days scoring in the favorable band, median across 7 dive sites with at least two years of history. Ringed = historical peak.
How does this compare worldwide? The Most Reliable Diving Months on Earth ranks 61 countries by the same measure.
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