Your Cruise, Your Weather
Plan Your Cruise With Free Weather Forecasts
Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Historical averages and packing recommendations for your August visit to Santorini.
"Peak crowds and heat, strong Meltemi winds"
Affiliate links — these help keep our site free by earning us a commission at no extra cost to you.
Santorini is the crown jewel of the Aegean Sea — a crescent-shaped caldera formed by one of history's largest volcanic eruptions. The famous blue-domed churches and whitewashed buildings of Oia and Fira cling dramatically to cliffs above the deep-blue sea. Cruise ships anchor in the caldera and ferry passengers ashore by tender boat to explore volcanic beaches, ancient ruins, and world-class restaurants.
Santorini in August is warm and sunny, with average highs around 87°F and lows that rarely dip below 74°F. Rain is uncommon, with only about 0 rainy days expected across the month — ideal for beach days and shore excursions. Peak crowds and heat, strong Meltemi winds
Crowds are moderate in August, making it a good balance between availability and weather. Pack reef-safe SPF 50+ sunscreen, a hat, and breathable fabrics — the sun at 87°F is intense, especially near the water.
Cruise Barcelona To Athens Grand Voyage
Azamara Cruises · Jun 11, 2026
The Best of the Mediterranean
Princess Cruises · Jun 27, 2026
Ultimate Mediterranean Splendor Collectors' Voyage
HAL Cruises · Jun 28, 2026
Mediterranean, Aegean & Adriatic
Princess Cruises · Jun 30, 2026
Mediterranean with Greece, Turkey, & Adriatic
Princess Cruises · Jul 4, 2026
The Best of the Mediterranean
Princess Cruises · Jul 4, 2026
The average high temperature in Santorini during August is 87°F, with a low of 74°F.
Santorini typically sees 0 days of rain in August. Peak crowds and heat, strong Meltemi winds
For a August cruise to Santorini, you should pack lightweight, breathable clothing, swimwear, and sun protection.