Santorini · August
Best travel monthPeak seasonGreece · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 15° (59°)9– (48–)19 (66) | 16° (61°)9– (48–)19 (66) | 17° (63°)13– (55–)21 (70) | 20° (68°)16– (61–)24 (75) | 24° (75°)19– (66–)30 (86) | 28° (82°)24– (75–)33 (91) | 31° (88°)27– (81–)35 (95) | 31° (88°)27– (81–)34 (93) | 28° (82°)23– (73–)31 (88) | 24° (75°)19– (66–)28 (82) | 20° (68°)15– (59–)23 (73) | 17° (63°)11– (52–)20 (68) |
Ø night, range from coldest to warmest nightØ nightrange | 11° (52°)4– (39–)15 (59) | 11° (52°)6– (43–)15 (59) | 12° (54°)7– (45–)16 (61) | 14° (57°)10– (50–)17 (63) | 17° (63°)13– (55–)21 (70) | 22° (72°)17– (63–)25 (77) | 24° (75°)21– (70–)26 (79) | 25° (77°)22– (72–)26 (79) | 22° (72°)18– (64–)25 (77) | 18° (64°)14– (57–)23 (73) | 15° (59°)10– (50–)19 (66) | 12° (54°)6– (43–)17 (63) |
☀️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 | 8d68mm (2.7") | 6d49mm (1.9") | 3d25mm (1.0") | 1d10mm (0.4") | 0d5mm (0.2") | 0d2mm (0.1") | 0d0mm (<0.1") | 0d0mm (0") | 0d3mm (0.1") | 1d12mm (0.5") | 4d31mm (1.2") | 7d58mm (2.3") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest 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.
