Verdict: Excellent month
Santorini Weather in October
October hits the sweet spot in Santorini — highs around 24°C (75°F), ideal for a full day on foot. Rain is a non-issue, with only ~2 wet days in an average year. Overall, October is one of the best months of the year to be in Santorini.
Average high
24°C / 75°F
Average low
20°C / 68°F
Rain days
~2
Precipitation
9 mm
What to pack for Santorini in October
- Summer clothes, plus one light layer for air-con and evenings
- Comfortable walking shoes — every guide on this site assumes you'll use them
October against the rest of the year
Warmest in Santorini: Jul (30°C / 86°F) · Coolest: Jan (15°C / 59°F) · Wettest: Dec (~9 rain days)
15°
12°
Jan
16°
12°
Feb
16°
12°
Mar
20°
15°
Apr
23°
18°
May
28°
22°
Jun
30°
24°
Jul
30°
25°
Aug
28°
23°
Sep
24°
20°
Oct
20°
16°
Nov
17°
14°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)