Best Time to Dive Wyoming
Across 4 Wyoming dive sites with multi-year conditions history, September historically shows the most favorable days — 95% of sampled days in the good band. The next-highest months are January (94%), August (92%) and October (89%). December historically shows the fewest favorable days (79% of sampled days). 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 Wyoming?
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 94% | — | — |
| Feb | 81% | — | — |
| Mar | 84% | — | — |
| Apr | 87% | — | — |
| May | 88% | — | — |
| Jun | 83% | — | — |
| Jul | 88% | — | — |
| Aug | 92% | — | — |
| Sep | 95% | — | — |
| Oct | 89% | — | — |
| Nov | 88% | — | — |
| Dec | 79% | — | — |
% = share of sampled days scoring in the favorable band, median across 4 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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