Verdict: Good month
Santorini Weather in January
January is mild-to-cool in Santorini, topping out near 15°C (59°F) — comfortable with a layer on. Rain is occasional — about 8 wet days in a typical year. Overall, January is a solid month to visit Santorini.
Average high
15°C / 59°F
Average low
12°C / 54°F
Rain days
~8
Precipitation
43 mm
What to pack for Santorini in January
- Layers — t-shirts under a light jacket or sweater
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
January 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)