Best Time to Dive United Kingdom
Across 52 United Kingdom dive sites with multi-year conditions history, May historically shows the most favorable days — 75% of sampled days in the good band.
Computed from our own conditions climatology — measured history, not brochure copy. Historical patterns, never a forecast or a guarantee.
Month by month
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 40% | 9°C | 1.9 m |
| Feb | 28% | 9°C | 1.6 m |
| Mar | 48% | 9°C | 1.4 m |
| Apr | 56% | 10°C | 1.3 m |
| May | 75% | 12°C | 0.9 m |
| Jun | 74% | 15°C | 1.0 m |
| Jul | 61% | 17°C | 1.0 m |
| Aug | 60% | 17°C | 1.1 m |
| Sep | 53% | 17°C | 1.3 m |
| Oct | 42% | 15°C | 1.5 m |
| Nov | 29% | 13°C | 1.7 m |
| Dec | 19% | 11°C | 1.9 m |
% = share of sampled days scoring in the favorable band, median across 52 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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