Santorini · October
Low 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
Post-season — prices falling after the travel period, beaches and attractions quieter.
October is an acceptable travel month for Santorini — conditions are fine, though June, July, August, and September offer even better weather.
Daytime highs average 24°C (75°F), cooling to 18°C (64°F) at night (daily average: 21°C (70°F)). Peaks reach around 28°C (82°F), the coldest nights around 14°C (57°F). The sun shines an average of 8 hours per day; there are 1 rain day with 12 mm (0.5 in) total. Sea temperature is 23°C (73°F) — pleasantly warm for long swim sessions.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed comfortably at this time of year.
The golden off-season: the sea is at its warmest of the year, the cruise season winds down and the atmosphere in the caldera bars becomes more intimate. For many Santorini connoisseurs, October is simply the best month.
Packing list for Santorini in October
- T-shirts and shorts
- Swimwear and beach towel
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Travel first-aid kit
Frequently Asked Questions
- Is October a good time to visit Santorini?
- October is not an optimal month for Santorini (Score: 76/100), but it is manageable. For better conditions, consider June, July, August, and September.
- How warm is it in Santorini in October?
- In October, Santorini sees daily highs of 24°C (75°F). Nights cool to 18°C (64°F), with a daily average of 21°C (70°F). Peaks reach around 28°C (82°F), the coldest nights around 14°C (57°F).
- How much rain falls in Santorini in October?
- In October, Santorini receives an average of 12 mm (0.5 in) of rain over 1 rain day. That is comparatively dry.
- How many sunshine hours does Santorini get in October?
- Santorini averages 8 sunshine hours per day in October — below the annual average.
- How warm is the water in Santorini in October?
- Water temperature in Santorini in October averages 23°C (73°F) — pleasantly warm for swim sessions.
