Santorini · Month comparison
April vs May
April ranks #1 overall vs May at #2. Excellent timing: island open, prices reasonable, nearly no summer crowds yet.
April
#1 of 12 months
Best match
Excellent timing: island open, prices reasonable, nearly no summer crowds yet.
- ↑Almost all businesses operating at full capacity
- ↑Comfortable days for hiking the Fira–Oia trail without heat exhaustion
May
#2 of 12 months
Best match
The best undisputed window: warm, dry, growing but not yet overwhelming.
- ↑Nearly zero rain (14mm), consistent warmth (19°C), perfect caldera photography light
- ↑Sea at 20°C — swimming and catamaran day trips fully viable
| Factor | April | May |
|---|---|---|
| Weather score | 7 | 8 |
| Value score | 8 | 6 |
| Crowd score | 8 | 6 |
| Events score | 5 | 5 |
| Atmosphere | 8 | 8 |
| Avg high temp | 16.5°C | 19.8°C |
| Monthly rain | 24mm | 14mm |
| Daily sunshine | 8.2hrs | 10.3hrs |
April trade-offs
- ↓Greek Easter (variable date) can temporarily spike accommodation prices
- ↓Oia sunset viewpoints growing busy again — arrive 45 minutes early
- ↓Some seasonal helicopter and private tour operators not yet active
May trade-offs
- ↓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
Scores compare months within Santorini. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →