7-Night Cruise on Brilliance Of The SeasItaly, Croatia & The Adriatic - Weather

Join Royal Caribbean Cruises's Brilliance Of The Seas for a 7-night voyage on the Italy, Croatia & The Adriatic route, setting out from Trieste, Italy on August 10, 2026. It's a classic Mediterranean cruise. Travelers sailing in August can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Trieste, Italy, Koper, Slovenia, Split, Croatia, with 4 more along the way. The forecasts below break the weather down port by port.

1. Day 1 — Monday, Aug 10, 2026 — Trieste, Italy

   Trieste, Italy is a scheduled port of call on day 1 of the 7-night Italy, Croatia & The Adriatic cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 85°F.

2. Day 2 — Tuesday, Aug 11, 2026 — Koper, Slovenia

   Koper, Slovenia is a scheduled port of call on day 2 of the 7-night Italy, Croatia & The Adriatic cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 85°F.

3. Day 3 — Wednesday, Aug 12, 2026 — Split, Croatia

   Split, Croatia is a scheduled port of call on day 3 of the 7-night Italy, Croatia & The Adriatic cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 81°F.

4. Day 4 — Thursday, Aug 13, 2026 — Dubrovnik, Croatia

   Dubrovnik, Croatia is a scheduled port of call on day 4 of the 7-night Italy, Croatia & The Adriatic cruise on Brilliance Of The Seas. Expected weather: clear with highs near 83°F.

5. Day 5 — Friday, Aug 14, 2026 — Kotor, Montenegro

   Kotor, Montenegro is a scheduled port of call on day 5 of the 7-night Italy, Croatia & The Adriatic cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 86°F.

6. Day 6 — Sunday, Aug 16, 2026 — Salerno, Italy

   Salerno, Italy is a scheduled port of call on day 6 of the 7-night Italy, Croatia & The Adriatic cruise on Brilliance Of The Seas. Expected weather: partially cloudy with highs near 87°F.

7. Day 7 — Monday, Aug 17, 2026 — Civitavecchia, Italy

   Civitavecchia, Italy is a scheduled port of call on day 7 of the 7-night Italy, Croatia & The Adriatic cruise on Brilliance Of The Seas. Expected weather: clear with highs near 78°F.