Santorini in August
In August, Santorini averages 28°C (82°F) during the day and 22°C (72°F) at night, with only about 1 rainy day.
Peak seasonConditions are warm and beach-friendly. Skies are generally dry and clear.
August is a great month to visit Santorini: pleasant temperatures and relatively few wet days.
How August compares to the rest of the year in Santorini
August is one of the warmest months in Santorini (2nd of 12) and one of the driest months (12th of 12). Daytime temperature runs 7°C above the annual average (21°C). August runs roughly the same as July (28°C) and cools 2°C in September (26°C).
August sunrise & sunset in Santorini
Times shown for Santorini local time (Europe/Athens), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Santorini — August
Golden-hour and blue-hour windows for the 15th of August, in Santorini's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Santorini in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Peak season) and Santorini's popularity.
Crowds & pricing — August in Santorini
Santorini is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather Northern Hemisphere summer holidays beach-season conditions
Sun & mosquito risk — August in Santorini
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Santorini — August
Across the year Santorini's sea swings from 17.1°C (March) to 25.8°C (August) — August sits at 25.8°C.
Santorini in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 14°C / 57°F | 9°C / 48°F | 75 mm | 8 | 0 |
| February | 14°C / 57°F | 9°C / 48°F | 55 mm | 6 | 0 |
| March | 16°C / 61°F | 11°C / 52°F | 40 mm | 4 | 0 |
| April | 18°C / 64°F | 13°C / 55°F | 15 mm | 3 | 0 |
| May | 22°C / 72°F | 16°C / 61°F | 5 mm | 1 | 0 |
| June | 27°C / 81°F | 20°C / 68°F | 1 mm | 1 | 0 |
| July | 28°C / 82°F | 22°C / 72°F | 1 mm | 1 | 0 |
| August | 28°C / 82°F | 22°C / 72°F | 1 mm | 1 | 0 |
| September | 26°C / 79°F | 19°C / 66°F | 5 mm | 2 | 0 |
| October | 23°C / 73°F | 17°C / 63°F | 30 mm | 4 | 0 |
| November | 19°C / 66°F | 14°C / 57°F | 55 mm | 7 | 0 |
| December | 16°C / 61°F | 11°C / 52°F | 80 mm | 8 | 0 |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Santorini in August →
Frequently asked questions
How hot is Santorini in August?
In August, Santorini averages a high of 28°C (82°F) and a low of 22°C (72°F) — generally warm.
Does it rain a lot in Santorini in August?
August is generally dry in Santorini, with about 1 rainy day on average.
Is August a good time to visit Santorini?
August is warm and mostly dry. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Santorini in August?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full August packing list for Santorini for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.