Santorini in May: weather, sea & travel advice
Santorini in May is especially suited to city breaks, active holidays and hiking, beach holidays and family holidays. Days are around 21 °C (mild), and the sea is about 19 °C. With about 1 rainy days it is very dry.
Santorini · MayPhoto: Carl Rottmann · PDM-ownerClimate facts
- Day
- 21 °C
- Night
- 18 °C
- Sea
- 19 °C
- Rainy days
- 1 rainy days
- Sun
- 9 h/day
- Humidity
- 77 %
Suitability by travel type
BeachGood70/100
City breakExcellent98/100
ActiveExcellent95/100
FamilyGood69/100
In favour
- Little rain (about 1 rainy days)
To consider
- No significant drawbacks.
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 May
Frequently asked questions
How warm is Santorini in May?
Daytime highs average around 21 °C, with nights around 18 °C.
Can you swim in Santorini in May?
The sea is about 19 °C (refreshing).
Does it rain a lot in Santorini in May?
On the long-term average, expect about 1 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.