Santorini · Greece
May
The best undisputed window: warm, dry, growing but not yet overwhelming.
Best match
#2 of 12 months
May is one of the best times to visit Santorini.
Climate
High
19.8°C
Low
14.9°C
Rain
14mm
Sun
10.3hrs/day
30-year climate normals · Open Meteo ERA5
How May scores in Santorini
Weather
Excellent
Value
Good
Crowds
Good
Events
Above average
Atmosphere
Excellent
What you gain in May
- ↑Nearly zero rain (14mm), consistent warmth (19°C), perfect caldera photography light
- ↑Sea at 20°C — swimming and catamaran day trips fully viable
- ↑All boat tours, sunset cruises, and private charters operating
What you sacrifice
- ↓Prices now 40–50% higher than March — the crowd dividend is shrinking
- ↓Weekend ferry arrivals from Athens noticeably busier
- ↓Oia sunset crowd now requires a 1-hour wait for prime position
How May compares to April (best month)
| Factor | May | April ★ |
|---|---|---|
| Weather | 8 | 7 |
| Value | 6 | 8 |
| Crowds | 6 | 8 |
May in other destinations
Climate data: 30-year normals (1991–2020) from Open Meteo ERA5 reanalysis. Scores compare months within Santorini, not across destinations. Methodology →