Santorini in April: weather, sea & travel advice
Santorini in April is especially suited to city breaks and active holidays and hiking. Days are around 18 °C (mild), and the sea is about 17 °C. With about 2 rainy days it is very dry.
Santorini · AprilPhoto: Carl Rottmann · PDM-ownerClimate facts
- Day
- 18 °C
- Night
- 15 °C
- Sea
- 17 °C
- Rainy days
- 2 rainy days
- Sun
- 7 h/day
- Humidity
- 76 %
Suitability by travel type
BeachLimited53/100
City breakExcellent92/100
ActiveExcellent92/100
FamilyLimited52/100
In favour
- Little rain (about 2 rainy days)
To consider
- Sea still cool (17 °C)
All months at a glance
15J
15F
16M
18A
21M
25J
27J
27A
25S
22O
19N
16D
7J
6F
4M
2A
1M
0J
0J
0A
2S
4O
6N
8D
Similar destinations in April
Frequently asked questions
How warm is Santorini in April?
Daytime highs average around 18 °C, with nights around 15 °C.
Can you swim in Santorini in April?
The sea is about 17 °C (cold).
Does it rain a lot in Santorini in April?
On the long-term average, expect about 2 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.