Greece · Updated April 2026 · Month-by-month weather, crowds & prices
June and September are the absolute best months. You get warm, sunny days without the crushing crowds and inflated prices of July and August, and the sea is comfortably warm for swimming.
Expect intense heat (often hitting 30°C/86°F), massive crowds, and prices that double or triple. Hotels and ferries book out months in advance, forcing you to pay €200+ for a basic room. Beaches like Red Beach and Kamari are packed by 10 AM, and popular viewpoints like Oia’s castle ruin have 100+ people crammed for sunset. The island functions on tourist speed, with little room for spontaneity or peace. This is the busiest time; if you’re sensitive to heat and crowds, skip it.
This is the sweet spot for most travelers. May and June offer warming days (20-25°C), blooming wildflowers, and significantly lower prices than peak season. September brings the same warm weather (25-28°C) but with dramatically fewer people than August, and the sea remains perfect for swimming. You’ll find better hotel deals, shorter lines for restaurants and ferries, and a more authentic feel as locals are still active. The light is ideal for photography, and you can actually enjoy the caldera views without a sea of bodies blocking them.
Only visit if you prioritize low prices and solitude over amenities. October is the best month here – milder temps (15-20°C), some restaurants and shops still open, and fewer tourists. November through March sees most hotels, high-end restaurants, and many beaches close. Temperatures average 10-15°C (50-59°F), with rain and wind common. You’ll find the island mostly empty, but limited activities (fewer boat tours, some paths may be closed). This is for budget travelers or those seeking solitude, not for enjoying the island’s typical vibe. Winter (Dec-Feb) is very quiet, with temperatures around 12°C (54°F) on average.
Avoid August entirely if you value comfort. The island is overrun: ferries are packed, hotels are full, and popular spots like Oia’s sunset viewpoint have queues starting at 4 AM. You’ll pay premium prices for mediocre service. On August 15th (Assumption Day), the entire island shuts down for the feast, meaning most places are closed, and the main road to Oia becomes a traffic jam. You’ll pay €250+ for a room you’d get for €120 in September, and still endure the same heat and crowds.
The key is balancing weather, crowds, and cost. If you want perfect conditions without the chaos, choose June, early September, or late May. Avoid August unless you specifically want to experience the peak tourist frenzy. For most travelers, the shoulder season delivers Santorini at its most accessible and enjoyable.