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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Edinburgh Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
If you are heading to Sunny Beach this season, check the live forecast above before you pack, as Bulgaria’s Black Sea coast can shift from warm sun to brisk sea breezes in a matter of hours.
What is the weather usually like in Sunny Beach?
Sunny Beach, a resort town on Bulgaria’s Black Sea coast, enjoys a continental climate with hot summers and mild winters. The live forecast above gives the most accurate picture for your dates, but generally July and August see highs around 28–30°C, while May and September are cooler and quieter.
How do I plan for a trip there?
For a beach holiday, aim for June to early September when sea temperatures reach 22–25°C. If you are looking at sunny beach weather 14 days out, treat long-range forecasts as a guide rather than a guarantee. For UK comparisons, see our UK weather hub or the 10 Day Weather Forecast UK.
Is Sunny Beach warm in May?
May is a transitional month with average highs around 22°C and sea temperatures still below 18°C. It is pleasant for sightseeing but not reliably warm for swimming. Check sunny beach weather may averages before booking.
Where can I find a 21 day forecast for Sunny Beach?
Reliable 21-day outlooks are rare. The Met Office and BBC Weather offer 10–14 day forecasts. For a longer view, search 21 day weather forecast sunny beach bulgaria but treat predictions beyond two weeks as trends only.
How does Sunny Beach compare to UK beach weather?
Sunny Beach is significantly warmer and sunnier than most UK coasts. While Edinburgh might see 17°C in July, Sunny Beach regularly reaches 28°C. For local comparisons, see Glasgow Weather or Bristol Weather.