

Mykonos vs Santorini in July — Which to Pick?
The numbers, side by side
Every figure below is an average across 11 complete years (2015–2025) of daily Open-Meteo records. Not a forecast — a historical baseline you can plan against.
Mykonos vs Santorini in July
| Metric | Mykonos | Santorini | Verdict |
|---|---|---|---|
| Average high | 28 °C (83°F) | 30 °C (85°F)Winner | Santorini is 1.2 °C warmer. |
| Average low | 24 °C (75°F) | 24 °C (76°F)Winner | Nights differ by ~0°C. |
| Rainfall | 3 mm | 1 mm | Effectively even in rainfall. |
| Rainy days | 0 | 0 | Effectively even in rainy days. |
| Sunshine | 13.7 h/day | 13.5 h/day | Effectively even in sunshine. |
Our honest take
In July, Santorini runs about 1°C warmer on average — a meaningful gap when you're deciding what to pack.
Neither is objectively better: pick Mykonos for what Mykonos is famous for; pick Santorini for what Santorini does uniquely. The persona cards below break the choice down by traveller type.
Traveller verdict for July
Data-driven picks based on 11-year climate averages (2015–2025). Neither destination is objectively “better” — it depends on what you're after.
Beach days play out much the same in either destination.
Santorini leans into the after-dark scene — warm evenings and the higher-energy crowd.
Mykonos suits families better this month — gentler temperatures and fewer washouts.
Similar shooting conditions — atmosphere becomes the deciding factor.
Mykonos is the smarter pick for value — quieter crowds and softer accommodation rates.
Both cuisines deserve the trip — pick by menu, not climate.
Compare hotels in both
Booking.com deep links with July check-in dates pre-filled.
Mykonos vs Santorini in July — FAQ
Q01Is Mykonos warmer than Santorini in July?
Is Mykonos warmer than Santorini in July?
Yes — Santorini runs about 1°C warmer than Mykonos in July. Mykonos averages 28°C highs; Santorini averages 30°C. Based on 11-year climate averages (2015–2025).
Q02Which is drier — Mykonos or Santorini in July?
Which is drier — Mykonos or Santorini in July?
Rainfall is broadly similar in July — Mykonos averages 3mm, Santorini averages 1mm. Either could win a given year.
Q03Which is better for outdoor activities in July?
Which is better for outdoor activities in July?
Neither destination pulls ahead on sunshine or dry days in July — both offer similar outdoor windows. Choose by terrain and interest rather than weather.
Q04Which is cheaper to visit in July — Mykonos or Santorini?
Which is cheaper to visit in July — Mykonos or Santorini?
Mykonos tends to offer better value in July — lower crowd density and softer accommodation rates. Prices track tourism demand: quieter months means better deals in either destination.
Q05Which is better for a beach trip in July?
Which is better for a beach trip in July?
Beach conditions are broadly similar. Look at sea-water temperature and swimming ease locally — the air/sun figures are close.