Best Time to Dive Colima (Revillagigedo Archipelago)
Across 5 Colima (Revillagigedo Archipelago) dive sites with multi-year conditions history, July historically shows the most favorable days — 73% of sampled days in the good band. The next-highest months are August (54%), September (47%) and December (31%). March and May historically show the fewest favorable days (14% of sampled days). Average water temperature in the sample runs from about 24°C in March to 29°C in September. Typical seas range from 1.5 m to 2.2 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 Colima (Revillagigedo Archipelago)?
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 23% | 25°C | 2.1 m |
| Feb | 16% | 24°C | 2.0 m |
| Mar | 14% | 24°C | 2.1 m |
| Apr | 22% | 24°C | 1.9 m |
| May | 14% | 24°C | 1.9 m |
| Jun | 31% | 25°C | 1.8 m |
| Jul | 73% | 27°C | 1.5 m |
| Aug | 54% | 29°C | 1.9 m |
| Sep | 47% | 29°C | 1.8 m |
| Oct | 23% | 28°C | 2.2 m |
| Nov | 22% | 27°C | 2.0 m |
| Dec | 31% | 26°C | 2.0 m |
% = share of sampled days scoring in the favorable band, median across 5 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.
Marine life seasons
Sighting patterns across the wider Baja & Pacific Mexico region — not site-specific promises.
- Scalloped hammerheadFebruary
- OrcaMarch
- Bull sharkMay–Jun
- Humpback whaleNov–Apr
- Green sea turtleJul–Mar
Bars are Jan–Dec — months when sightings historically concentrate (GBIF occurrence records). Wildlife is never guaranteed.
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