Mykonos at a glance
- Best time
- Jun – Sep
- Warmest month
- Aug · 26°
- Warmest sea
- Aug · 24.1°
- Sunshine a year
- 3,380 h
- Rain a year
- 359 mm
- Climate
- Mediterranean
- Time zone
- UTC+2 / UTC+3
- Elevation
- 9 m
Climate in Mykonos
Mykonos has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. August is the warmest month with average highs of 26 °C, while January is the coolest at 13 °C. With around 3,380 hours of sunshine a year, Mykonos is very sunny; July is the sunniest month with 13.2 hours a day.
Weather in October
Holiday weather in October
Good
Best time to visit: June – September
What is the weather like in Mykonos in October?
In October, Mykonos is mild: daytime highs average 21 °C, and nights cool down to about 18 °C. The sea averages 21.3 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 26 mm in total. It is often windy, with gusts of around 33 km/h. All in all, October is a good month for a holiday in Mykonos.
More details for October
- Daylight
- 11 h 18 min07:25 – 18:43
- UV index
- 5 · moderateclear sky, noon (estimate)
- Muggy days
- 5 daysdew point 18 °C or more
- Wind
- 33 km/haverage daily peak
- Cloud cover
- 29 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+3Europe/Athens
How the score comes together
- Temperatureweight 35 %32 %
- Seaweight 25 %61 %
- Sunshineweight 20 %87 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Windproof jacket
Sea temperature in Mykonos
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 20.2 – 22.4 °C
Swimming season: Jun – Oct
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Mykonos ranges from 15.8 °C in February to 24.1 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
From October to March the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 23.1 and 25.1 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 16.3° | 15.3° | 17.3° | cold |
| FebruaryFeb | 15.8° | 15.1° | 16.4° | cold |
| MarchMar | 15.9° | 15.2° | 16.4° | cold |
| AprilApr | 16.5° | 15.5° | 17.1° | cold |
| MayMay | 18.4° | 17.7° | 19.2° | fresh |
| JuneJun | 21.4° | 20.6° | 22.5° | refreshing |
| JulyJul | 23.3° | 22.5° | 24.1° | pleasant |
| AugustAug | 24.1° | 23.1° | 25.1° | pleasant |
| SeptemberSep | 23.4° | 21.9° | 24.2° | pleasant |
| OctoberOct | 21.3° | 20.2° | 22.4° | refreshing |
| NovemberNov | 18.9° | 17.5° | 19.8° | fresh |
| DecemberDec | 17.2° | 16.3° | 18.3° | fresh |
Sunshine hours in Mykonos
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 8.2 of 11.3 hours of daylight in Mykonos, 73 % of the day.
Sunshine hours count the time with bright, direct sunshine (WMO definition, estimated from model data); daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Mykonos: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Mykonos has about 3 rainy days with 26 mm of rain in total.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 18 | 13° | 11° | 16.3° | 5.8 h | 12 | 81 |
| FebruaryFeb | 27 | 14° | 11° | 15.8° | 7.0 h | 9 | 61 |
| MarchMar | 33 | 15° | 12° | 15.9° | 8.2 h | 7 | 46 |
| AprilApr | 40 | 17° | 14° | 16.5° | 9.6 h | 4 | 19 |
| MayMay | 51 | 20° | 17° | 18.4° | 11.0 h | 2 | 7 |
| JuneJun | 85 | 24° | 21° | 21.4° | 13.0 h | 1 | 2 |
| JulyJul | 97 | 26° | 24° | 23.3° | 13.2 h | 0 | 0 |
| AugustAug | 100 | 26° | 24° | 24.1° | 12.1 h | 0 | 1 |
| SeptemberSep | 93 | 24° | 22° | 23.4° | 10.5 h | 1 | 6 |
| OctoberOct | 64 | 21° | 18° | 21.3° | 8.2 h | 3 | 26 |
| NovemberNov | 37 | 18° | 15° | 18.9° | 6.8 h | 6 | 42 |
| DecemberDec | 20 | 15° | 12° | 17.2° | 5.5 h | 10 | 69 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)
37.45° N, 25.33° E · 9 m · Europe/Athens
Best time to visit Mykonos
The best time to visit Mykonos is from June to September. For a beach holiday with the sea above 21 °C, go from June to September. For sightseeing, day trips and hiking, conditions are most comfortable from April to November. The wettest month is January with 81 mm of precipitation.
Find your perfect month
Tell us what you like and we rate every month in Mykonos for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Which month for what?
Beach & swimming
Jun – Sep
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – Nov
15–28 °C and not too much rain
Mykonos month by month
The typical weather for every month at a glance.
18January13° · Sea 16° · 6 h
In January, Mykonos is cool: daytime highs average 13 °C, and nights cool down to about 11 °C. The sea averages 16.3 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 81 mm in total. It is often windy, with gusts of around 38 km/h. All in all, January is not an ideal month for a holiday in Mykonos.
Mykonos in January27February14° · Sea 16° · 7 h
In February, Mykonos is cool: daytime highs average 14 °C, and nights cool down to about 11 °C. The sea averages 15.8 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 61 mm. It is often windy, with gusts of around 38 km/h. All in all, February is not an ideal month for a holiday in Mykonos.
Mykonos in February33March15° · Sea 16° · 8 h
In March, Mykonos is cool: daytime highs average 15 °C, and nights cool down to about 12 °C. The sea averages 15.9 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 7 days, adding up to 46 mm. It is often windy, with gusts of around 36 km/h. All in all, March is not an ideal month for a holiday in Mykonos.
Mykonos in March40April17° · Sea 17° · 10 h
In April, Mykonos is mild: daytime highs average 17 °C, and nights cool down to about 14 °C. The sea averages 16.5 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 19 mm in total. It is often windy, with gusts of around 32 km/h. All in all, April is a so-so month for a holiday in Mykonos.
Mykonos in April51May20° · Sea 18° · 11 h
In May, Mykonos is mild: daytime highs average 20 °C, and nights cool down to about 17 °C. The sea averages 18.4 °C – bracing, so a wetsuit helps for longer swims. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. It is often windy, with gusts of around 29 km/h. All in all, May is a so-so month for a holiday in Mykonos.
Mykonos in May85June24° · Sea 21° · 13 h
In June, Mykonos is warm: daytime highs average 24 °C, and even at night it stays warm at around 21 °C. The sea averages 21.4 °C – refreshing for a swim. With around 13 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. It is often windy, with gusts of around 30 km/h. All in all, June is an excellent month for a holiday in Mykonos.
Mykonos in June97July26° · Sea 23° · 13 h
In July, Mykonos is warm: daytime highs average 26 °C, and even at night it stays warm at around 24 °C. The sea averages 23.3 °C – pleasant for swimming. With around 13 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. It is often windy, with gusts of around 35 km/h. All in all, July is an excellent month for a holiday in Mykonos.
Mykonos in July100August26° · Sea 24° · 12 h
In August, Mykonos is warm: daytime highs average 26 °C, and even at night it stays warm at around 24 °C. The sea averages 24.1 °C – pleasant for swimming. With around 12 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. It is often windy, with gusts of around 35 km/h. All in all, August is an excellent month for a holiday in Mykonos.
Mykonos in August93September24° · Sea 23° · 11 h
In September, Mykonos is warm: daytime highs average 24 °C, and even at night it stays warm at around 22 °C. The sea averages 23.4 °C – pleasant for swimming. With around 11 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The air is often humid and muggy. It is often windy, with gusts of around 33 km/h. All in all, September is an excellent month for a holiday in Mykonos.
Mykonos in September64October21° · Sea 21° · 8 h
In October, Mykonos is mild: daytime highs average 21 °C, and nights cool down to about 18 °C. The sea averages 21.3 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 26 mm in total. It is often windy, with gusts of around 33 km/h. All in all, October is a good month for a holiday in Mykonos.
Mykonos in October37November18° · Sea 19° · 7 h
In November, Mykonos is mild: daytime highs average 18 °C, and nights cool down to about 15 °C. The sea averages 18.9 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 42 mm. It is often windy, with gusts of around 34 km/h. All in all, November is not an ideal month for a holiday in Mykonos.
Mykonos in November20December15° · Sea 17° · 6 h
In December, Mykonos is cool: daytime highs average 15 °C, and nights cool down to about 12 °C. The sea averages 17.2 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 69 mm in total. It is often windy, with gusts of around 37 km/h. All in all, December is not an ideal month for a holiday in Mykonos.
Mykonos in DecemberPlanning a trip to Mykonos
Getting there
Flying from
- Nonstop flight
- about 3 h 35 min
- Distance
- 2,550 km
- Time zone
- UTC+3
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Mykonos
When is the best time to visit Mykonos?
The best time to visit Mykonos is from June to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Mykonos?
The sea temperature in Mykonos ranges from 15.8 °C in February to 24.1 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to October.
Can you swim in Mykonos in October?
Yes. In October the sea averages 21.3 °C – refreshing for a swim.
What is the warmest month in Mykonos?
August is the warmest month, with average highs of 26 °C and nights around 24 °C. January is the coolest month at 13 °C.
When does it rain most in Mykonos?
The wettest month is January with 81 mm of precipitation. The driest month is July with 0 mm.
How many hours of sunshine does Mykonos get?
Mykonos gets around 3,380 hours of sunshine a year. The sunniest month is July with 13.2 hours a day; in December there are 5.5 hours a day.
What time zone is Mykonos in?
Mykonos uses the time zone Europe/Athens: UTC+2 in January and UTC+3 in July.
How long is the flight from London to Mykonos?
A nonstop flight from London to Mykonos takes about 3 h 35 min, for a straight-line distance of about 2,550 km.
Near Mykonos
Other destinations close by.