Santorini or Mykonos in June?
On climate data, Santorini comes out ahead overall in June. See the per-criterion details below.
SantoriniPhoto: Carl Rottmann · PDM-owner
MykonosPhoto: Warren LeMay from Chicago, IL, United States · CC BY-SA 2.0Key figures in June
| Criterion | Santorini | Mykonos |
|---|---|---|
| Average daily high | 25 °C | 23 °C |
| Average daily low | 22 °C | 22 °C |
| Sea | 22 °C ★ | 21 °C |
| Rainy days | 1 rainy day (est.) ★ | 2 rainy days (est.) |
| Sun | 10 h/day | 10 h/day |
| Humidity | 74 % | 78 % |
Winner by travel type
Trade-offs
- Santorini is about 2 °C warmer by day.
Santorini or Mykonos in June: the short answer
In June, Santorini comes out ahead on the overall climate score (Santorini 91/100 vs Mykonos 89/100). That is a snapshot of one month, though — which one truly fits depends on what you want from the trip, so the breakdown below goes criterion by criterion.
This comparison focuses on June as a representative month for the pair; for any other month, use each destination's month-by-month pages. Across the whole year Santorini averages a climate score of 71/100, Mykonos 70/100. Both profiles below are historical monthly averages, not a forecast.
Weather in June, side by side
The average daily high is about 25 °C in Santorini and 23 °C in Mykonos — warmer in Santorini. Average daily lows are around 22 °C versus 22 °C.
On rain, Santorini sees about 1 rainy days in June and Mykonos about 2 — drier in Santorini. Sunshine is comparable (10 vs 10 hours a day).
Sea temperature and swimming
In June the water is about 22 °C at Santorini and 21 °C at Mykonos — warmer for swimming at Santorini. Over the year, Santorini is comfortable for swimming (from ~21 °C) in June, July, August, September and October, Mykonos in June, July, August, September and October. Peak sea warmth is August for Santorini and August for Mykonos.
Rain and sun across the year
Over a full year Santorini records roughly 72 rainy days and Mykonos about 71 — the drier of the two overall is Mykonos. At their sunniest, Santorini reaches about 10 hours of sun a day (June) and Mykonos about 10 (June). If dependable dry, sunny weather is your top priority, weigh these annual totals alongside the single month above.
Best time to visit each
Climatically, Santorini is at its best in June, July, August and September, while Mykonos peaks in June, July, August and September. If your dates are fixed, pick the destination whose strong season overlaps them; if you are flexible, plan around these windows.
Which suits which kind of trip
Based on the June scores for each travel style:
Beach & swimming: Santorini scores higher in June (Santorini 92 vs Mykonos 86).
City breaks: Mykonos scores higher in June (Santorini 94 vs Mykonos 97).
Active & hiking: Mykonos scores higher in June (Santorini 85 vs Mykonos 89).
Family: Santorini scores higher in June (Santorini 93 vs Mykonos 85).
Verdict: which should you pick?
There is no single winner — it depends on your month and your priority. For June specifically, use the head-to-head above; over the year, Santorini carries the slightly higher overall climate score. Choose Santorini if its strong months and profile match your plan, Mykonos if its do. The month-by-month pages for each destination give you the full picture before you book.