Santorini · August
Best travel monthPeak seasonGreece · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, ↑ warmestØ day↑ warmest | 15° (59°)19° (66°) | 16° (61°)19° (66°) | 17° (63°)21° (70°) | 20° (68°)24° (75°) | 24° (75°)30° (86°) | 28° (82°)33° (91°) | 31° (88°)35° (95°) | 31° (88°)34° (93°) | 28° (82°)31° (88°) | 24° (75°)28° (82°) | 20° (68°)23° (73°) | 17° (63°)20° (68°) |
Ø night, ↓ coldestØ night↓ coldest | 11° (52°)4° (39°) | 11° (52°)6° (43°) | 12° (54°)7° (45°) | 14° (57°)10° (50°) | 17° (63°)13° (55°) | 22° (72°)17° (63°) | 24° (75°)21° (70°) | 25° (77°)22° (72°) | 22° (72°)18° (64°) | 18° (64°)14° (57°) | 15° (59°)10° (50°) | 12° (54°)6° (43°) |
☀️Sunshine | 5h | 6h | 8h | 9h | 10h | 12h | 12h | 11h | 10h | 8h | 6h | 5h |
🌊Water Temp | 17° (63°) | 17° (63°) | 17° (63°) | 18° (64°) | 20° (68°) | 23° (73°) | 25° (77°) | 26° (79°) | 25° (77°) | 23° (73°) | 21° (70°) | 19° (66°) |
🌧Rain Days | 5d45mm (1.8") | 4d33mm (1.3") | 2d17mm (0.7") | 1d7mm (0.3") | 0d3mm (0.1") | 0d1mm (<0.1") | 0d0mm (<0.1") | 0d0mm (0") | 0d2mm (0.1") | 1d8mm (0.3") | 2d20mm (0.8") | 4d39mm (1.5") |
Best travel time current monthØ = average · ↑ warmest day · ↓ coldest nightClimate data 2005–2025 · Source: ERA5 + station data
Peak season — flights and hotels at their annual highest. Book early.
August is one of the best months to visit Santorini — with 11 sunshine hours per day and pleasant highs of 31°C (88°F).
Daytime highs average 31°C (88°F), cooling to 25°C (77°F) at night (daily average: 27°C (81°F)). Peaks reach around 34°C (93°F), the coldest nights around 22°C (72°F). With 11 sunshine hours per day, August is one of the sunniest months — 0 mm (0 in) of rain over 0 days. The water is a warm 26°C (79°F) — perfect for snorkelling and swimming.
Pack light summer clothing, sunscreen, and swimwear — beach and water conditions in August are ideal.
Absolute peak season: the Oia sunset gathers hundreds, cruise ships anchor in the caldera, every lane in Fira is buzzing. If the energy appeals, enjoy the spectacle — if you want photos without the crowds, get up at 6 am.
Packing list for Santorini in August
- Light summer clothes
- Swimwear and beach towel
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Travel first-aid kit
Frequently Asked Questions
- Is August a good time to visit Santorini?
- Yes — August is one of the best months to visit Santorini (Climate Score: 94/100). Pleasant temperatures (31°C (88°F)), good sunshine (11 h/day), and few rain days (0) make it one of the most recommended months.
- How warm is it in Santorini in August?
- In August, Santorini sees daily highs of 31°C (88°F). Nights cool to 25°C (77°F), with a daily average of 27°C (81°F). Peaks reach around 34°C (93°F), the coldest nights around 22°C (72°F).
- How much rain falls in Santorini in August?
- In August, Santorini receives an average of 0 mm (0 in) of rain over 0 rain days. That is comparatively dry.
- How many sunshine hours does Santorini get in August?
- Santorini averages 11 sunshine hours per day in August — above the annual average.
- How warm is the water in Santorini in August?
- Water temperature in Santorini in August averages 26°C (79°F) — ideal for swimming and snorkelling.
