Discover the best time of year, based on historical climate, temperature, and precipitation.
The best weather in Santorini is from May, June, September, but considering flight prices and crowds, the best months to visit are April, May, November. — consistent weather climate
☀️Pleasant
| Score | 31 | 38 | 47 | 82 | 94 | 96 | 92 | 93 | 95 | 94 | 80 | 46 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Climate | Mild | Mild | Mild | Mild | Pleasant | Pleasant | Hot & dry | Hot & dry | Pleasant | Pleasant | Pleasant | Mild |
| Temperature | 11–14°C | 12–15°C | 13–16°C | 15–19°C | 18–23°C | 22–27°C | 24–29°C | 24–29°C | 23–27°C | 19–23°C | 16–20°C | 13–16°C |
| Feels like | 6–10°C | 7–11°C | 8–13°C | 12–18°C | 16–23°C | 22–28°C | 24–30°C | 25–31°C | 22–27°C | 18–22°C | 13–18°C | 9–13°C |
| Precipitation | 57mm 11 days | 52mm 8 days | 48mm 8 days | 13mm 3 days | 11mm 3 days | 6mm 1 days | 1mm 0 days | 2mm 1 days | 6mm 1 days | 13mm 3 days | 24mm 4 days | 47mm 8 days |
| Sunshine | 7.9h ☀︎ 79% | 9.1h ☀︎ 84% | 10.1h ☀︎ 84% | 11.5h ☀︎ 88% | 12.6h ☀︎ 89% | 13.8h ☀︎ 94% | 13.5h ☀︎ 94% | 12.9h ☀︎ 96% | 11.8h ☀︎ 95% | 10.1h ☀︎ 90% | 9.2h ☀︎ 90% | 8.1h ☀︎ 83% |
| Wind | NW · 36 km/h | NW · 35 km/h | NW · 34 km/h | NW · 30 km/h | NW · 26 km/h | NW · 25 km/h | NW · 29 km/h | NW · 27 km/h | NW · 27 km/h | NW · 27 km/h | NW · 29 km/h | NW · 32 km/h |
| Humidity (%) | 68% | 69% | 67% | 67% | 68% | 66% | 63% | 67% | 67% | 69% | 70% | 69% |
| Day length | 10.0h | 10.9h | 12.0h | 13.1h | 14.1h | 14.6h | 14.4h | 13.5h | 12.4h | 11.3h | 10.2h | 9.7h |
| Tourist Crowds | Low season | Low season | Low season | Low season | Shoulder season | High season | High season | High season | High season | Shoulder season | Low season | Low season |
Santorini's villages, especially Oia, hold candlelit processions and a dramatic fireworks duel between hillside churches…
This early September festival in Fira and Oia reenacts the island's ancient volcanic eruption with a spectacular firewor…
Held in August at the Santo Wines estate, this celebration of the island's volcanic-soil vineyards offers unlimited tast…
Conventional wisdom insists Santorini belongs to June, but April is the island's true masterstroke: a rare window where the caldera edge belongs to walkers rather than tour queues, trading a few degrees of sea warmth for an island that still feels like an island.
Santorini does not exist for gentle beach lounging; it exists because of a catastrophic Bronze Age explosion that collapsed an entire mountain into the sea, leaving behind a crescent rim of red-and-black volcanic ash suspended hundreds of metres above a drowned crater. People journey here to stand on the edge of that geological wound, staring across the bay toward Nea Kameni and Therasia while the Aegean glints far below. Yet when you visit dictates whether that rim feels like an ancient, elemental spectacle or a claustrophobic boardwalk choked with selfie sticks. Understanding the island's rhythm means knowing when the volcanic cliffs belong to the elements, and when they are surrendered to the mass of humanity.
Every mainstream guide tells you to land in June when the skies are pristine and the tavernas run at full tilt. They are wrong. While June may mathematically win on uninterrupted sunshine, April wins the island. In April, midday temperatures hover around a crisp 19 degrees, the air carries none of summer's suffocating haze, and you can walk the ridge trail between Fira and Oia without brushing elbows with thousands of cruise ship passengers. The volcanic soil, barren and bleached for most of the year, breaks out in wild chamomile and yellow daisies against the jet-black basalt.
April also brings Greek Orthodox Easter, an event that anchors the island in genuine village life rather than staged romance. In Oia and the inland villages, Holy Saturday sees thousands of tin lanterns glowing across the rooftops before an ecstatic duel of fireworks echoes between hillside churches. You feel the cool volcanic rock underfoot and smell paraffin and beeswax instead of exhaust fumes. May continues this grace period, warming just enough to strip off your jacket while keeping the cobblestones navigable before the annual surge arrives.
June delivers flawless blue skies and sea temperatures that finally tempt swimmers into the deep water, but it also triggers the summer compression. By July and August, the apparent temperature pushes past 30 degrees, and the caldera rim becomes a stone furnace. The white lime plaster reflects the midday sun with blinding intensity, and the narrow footpaths of Fira become slow-moving currents of visitors seeking shade. The volcanic cliff face offers no tree cover, and the wind, when it drops, leaves the caldera still, heavy, and hot.
August does offer its rewards if you adjust your hours to the dusk. The Santorini Wine Festival arrives at harvest time, celebrating the island's ancient, basket-pruned vines that pull mineral intensity from the dry ash. Tasting crisp Assyrtiko on the cliffs as the evening breeze cuts the day's heat is undeniably intoxicating. But you have to accept the reality of high summer: booking every dinner days ahead, dodging coaches on the narrow roads toward Akrotiri, and sharing the legendary sunsets with hundreds of people leaning against the same whitewashed wall.
September is summer's second wind, but without the nervous, frantic energy of July. The Aegean holds its accumulated summer warmth like a thermal bath, yet the crowds thin noticeably on the cliffside stairs. Early September brings the Ifestia Festival, when the towns of Fira and Oia commemorate the island's cataclysmic volcanic origin. Red and white fireworks launch from Nea Kameni right in the centre of the bay, illuminating the dark volcanic cliffs in flashes of crimson and gold, mimicking the eruption that tore the island apart millennia ago.
October extends this gentler spell. Temperatures settle into an easy, golden warmth around the low twenties. Swimming off the dark pebbled beaches remains comfortable well into the month, yet the footpaths through the inland quarters are quiet enough that you hear church bells, goat bells, and the rustle of dry vine leaves against stone. For travellers who cannot stomach April's cooler evenings, October is the only sensible counterweight to midsummer madness.
Winter on Santorini strips the glamour down to bare bedrock. The seasonal boutiques shut their wooden shutters, the catamaran excursions dock until spring, and the ferry schedule dwindles to an essential lifeline. Damp Aegean gales bring squalls that lash the clifftops, dropping apparent temperatures down near 10 degrees. The island feels intensely remote, almost prehistoric, with clouds snagging on the high peak above Akrotiri while dark swells churn the caldera floor.
Curiously, February sees a sharp spike in island activity, registering our highest crowd index of the year despite the biting wind. It is an inward-looking, local intensity: families gathering, winter construction crews repairing the cliffside cave homes, and islanders reclaiming their own public squares before the tourism engine restarts. January and December are the true low-water mark for weather, marked by grey days and shuttered villages. Come in the winter only if you want solitary walks along edge-of-the-world drop-offs, wrapped in heavy wool against the sea spray.