Verdict: Excellent month
Santorini Weather in December
December is mild-to-cool in Santorini, topping out near 17°C (63°F) — comfortable with a layer on. Expect showers on roughly 9 days of the month — rarely trip-ruining, worth planning around. Overall, December is one of the best months of the year to be in Santorini.
Average high
17°C / 63°F
Average low
14°C / 57°F
Rain days
~9
Precipitation
54 mm
What to pack for Santorini in December
- 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
December 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)