Measured, not vibes
Best Time to Visit Mykonos
By measured weather comfort, the top months for Mykonos are October, September, June — and RouteVerdict's editorial pick, which also weighs crowds and prices, is May, June, July, August, September. The table below is computed from ERA5 reanalysis data for 2020–2024, measured at Mykonos (191 m elevation).
Month by month
Mykonos weather and comfort, 2020–2024
| Month | Avg high | Wet days | Comfort | Season |
|---|---|---|---|---|
| January | 13.3°C / 56°F | 8.7 | 46 | |
| February | 13.8°C / 57°F | 4.3 | 54 | |
| March | 14.6°C / 58°F | 6.3 | 57 | |
| April | 17.8°C / 64°F | 4 | 78 | Shoulder |
| May | 21.3°C / 70°F | 3 | 92 | |
| June | 25.5°C / 78°F | 1.5 | 93 | Best |
| July | 27.6°C / 82°F | 0.2 | 87 | |
| August | 27.9°C / 82°F | 1.3 | 84 | |
| September | 25.5°C / 78°F | 0.8 | 95 | Best |
| October | 21.7°C / 71°F | 2 | 95 | Best |
| November | 17.9°C / 64°F | 5.2 | 76 | Shoulder |
| December | 15.4°C / 60°F | 8.3 | 58 |
Comfort is RouteVerdict's 0–100 score: 100·exp(−(high−23)²/162) × (1 − min(0.35, wet days × 0.02)). The full method is on the methodology page. Weather data by Open-Meteo.com (ERA5, CC BY 4.0), 2020–2024 normals. Wet day = ≥1 mm precipitation.
What the seasons are actually like
Traveling to Mykonos month by month
Mykonos' comfort score peaks in October at 95, with an average high of 21.7°C and just 2 wet days, narrowly ahead of September's 94.7 and June's 93.3. Summer (July-August) is nearly rain-free, at 0.2 and 1.3 wet days, with comfort at 87.4 and 84 — solid, but a step below the shoulder-season peaks. Winter (December–February) sees highs of 13.3–15.4°C and comfort scores of 46.2–58.4, mild but noticeably lower than the rest of the year.
FAQ
Mykonos timing questions
What is the best month to visit Mykonos?
By measured weather comfort (ERA5 2020–2024), the top months are October, September, and June, with October scoring highest. RouteVerdict's editorial pick is May, June, July, August, and September, which also weighs crowds, prices, and events.
What is the hottest month in Mykonos?
August, with an average daily high of 27.9°C (82°F).
What is the rainiest month in Mykonos?
January, averaging 8.7 days with at least 1 mm of precipitation.
When is shoulder season in Mykonos?
April and November — the best-scoring months outside both the measured top three and RouteVerdict's editorial peak-season pick.
What is Mykonos' single best month for weather?
October, with an average high of 21.7°C, just 2 wet days, and a comfort score of 95 — the highest measured for any month.
Is Mykonos' peak summer (July-August) its best weather?
Not quite — both months score well (87.4 and 84) and are nearly rain-free, but they trail the shoulder-season peaks of October (95) and September (94.7).