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Santorini in January: weather, sea & travel advice

Santorini in January is especially suited to city breaks and active holidays and hiking. Days are around 15 °C (cool), and the sea is about 17 °C. With about 7 rainy days it is moderate.

Weiße Häuser über der Caldera von SantoriniSantorini · JanuaryPhoto: Carl Rottmann · PDM-owner

Climate facts

Day
15 °C
Night
13 °C
Sea
17 °C
Rainy days
7 rainy days
Sun
3 h/day
Humidity
75 %

Suitability by travel type

BeachUnsuitable36/100
City breakGood72/100
ActiveGood71/100
FamilyUnsuitable44/100

In favour

  • No particular highlights.

To consider

  • Rather cool at around 15 °C
  • Sea still cool (17 °C)

All months at a glance

Daytime temperature°C
15
J
15
F
16
M
18
A
21
M
25
J
27
J
27
A
25
S
22
O
19
N
16
D
Rainy daysdays
7
J
6
F
4
M
2
A
1
M
0
J
0
J
0
A
2
S
4
O
6
N
8
D

Similar destinations in January

Frequently asked questions

How warm is Santorini in January?

Daytime highs average around 15 °C, with nights around 13 °C.

Can you swim in Santorini in January?

The sea is about 17 °C (cold).

Does it rain a lot in Santorini in January?

On the long-term average, expect about 7 rainy days.

When is the best time to visit Santorini?

The most favourable months are usually the ones highlighted on the overview page. Values are historical averages, not a forecast.