Climate in Mykonos — Annual Weather Overview
Mykonos has a semi arid climate — warm and dry with low but seasonal rainfall. The hottest month is August (average high 28.8°C) and the coolest is January (14.3°C). There is a noticeable seasonal temperature shift of 14.5°C between August and January. Annual rainfall is modest at around 307mm, with January the wettest month (58.5mm) and July the driest (0.4mm). Average daily sunshine is 10.7 hours.
**Spring (March, April, May):** average highs 18.6°C, 74mm rain. **Summer (June, July, August):** average highs 27.8°C, 13mm rain. **Autumn (September, October, November):** average highs 22.7°C, 79mm rain. **Winter (December, January, February):** average highs 15.1°C, 142mm rain.
Mykonos — Monthly Temperatures
Mykonos — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Mykonos stays reasonable all year.
Mykonos weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 14.3°C | 10.9°C | 58.5mm | 7.3h | 10 | 10/10 |
| February | 14.5°C | 10.4°C | 27.0mm | 9.2h | 6 | 10/10 |
| March | 15.2°C | 11.0°C | 32.9mm | 9.9h | 8 | 10/10 |
| April | 18.4°C | 13.7°C | 27.4mm | 11.0h | 4 | 10/10 |
| May | 22.2°C | 17.0°C | 13.2mm | 12.6h | 3 | 10/10 |
| June | 26.0°C | 21.1°C | 8.6mm | 13.7h | 2 | 10/10 |
| July | 28.5°C | 24.0°C | 0.4mm | 13.7h | 0 | 10/10 |
| August | 28.8°C | 24.3°C | 4.4mm | 12.9h | 2 | 10/10 |
| September | 26.3°C | 22.3°C | 9.5mm | 11.7h | 1 | 10/10 |
| October | 22.7°C | 18.9°C | 16.7mm | 10.0h | 3 | 10/10 |
| November | 19.2°C | 15.7°C | 52.5mm | 8.6h | 6 | 10/10 |
| December | 16.6°C | 13.4°C | 56.1mm | 7.9h | 8 | 10/10 |
For the full verdict on when to go, see the best time to visit Mykonos. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Mykonos have?
Mykonos has a semi arid climate — warm and dry with low but seasonal rainfall. Average highs range from 14.3°C in January to 28.8°C in August.
What is the hottest month in Mykonos?
August is the hottest month in Mykonos, with average highs of 28.8°C and lows of 24.3°C.
What is the coldest month in Mykonos?
January is the coolest month, with average highs of 14.3°C and lows of 10.4°C.
What is the wettest month in Mykonos?
January is the wettest month, averaging 58.5mm of rainfall over around 10 rainy days.
How much rain does Mykonos get per year?
Mykonos receives around 307mm of rain per year. The driest month is July (0.4mm).
When is the best time to visit Mykonos?
The best time to visit Mykonos is All year. See the full month-by-month guide →
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Trip essentials for Mykonos
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.