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Santorini in August: weather, sea & travel advice

Santorini in August is especially suited to beach holidays, family holidays, city breaks and active holidays and hiking. Days are around 27 °C (warm), and the sea is about 25 °C. With about 0 rainy days it is very dry.

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

Climate facts

Day
27 °C
Night
25 °C
Sea
25 °C
Rainy days
0 rainy days
Sun
9 h/day
Humidity
74 %

Suitability by travel type

BeachExcellent100/100
City breakExcellent88/100
ActiveGood76/100
FamilyExcellent97/100

In favour

  • Pleasant daytime temperatures around 27 °C
  • Little rain (about 0 rainy days)
  • Warm, swimmable sea (25 °C)

To consider

  • No significant drawbacks.

All months at a glance

JanLimited52FebLimited54MarLimited61AprGood68MayExcellent80JunExcellent92JulExcellent92AugExcellent92SepExcellent94OctExcellent87NovGood71DecLimited55
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 August

Tenerife · AugustGran Canaria · AugustFuerteventura · AugustLa Palma · August

Frequently asked questions

How warm is Santorini in August?

Daytime highs average around 27 °C, with nights around 25 °C.

Can you swim in Santorini in August?

The sea is about 25 °C (warm).

Does it rain a lot in Santorini in August?

On the long-term average, expect about 0 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.

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