Best time to visit Mykonos

The best time to visit Mykonos for a beach holiday is during July and August.

However, anytime from mid-May through June, and the first two weeks of September are also good to visit Mykonos – the excessive summer heat has passed, the sea is still warm, the crowds have mostly left and all the facilities are still open.

July and August are the peak summer months, when Mykonos has the most visitors and prices sky-rocket.

Mykonos weather

Mykonos enjoys a Mediterranean climate with warm, sunny summers and cool, wet winters. The island is windy year-round.

The cool and refreshing sea breeze - the Meltimi – is fairly consistent throughout summer, but is especially strong during July and August.

The breeze keeps the temperatures lower than elsewhere in the Aegean, with the maximum temperature in Mykonos rarely higher than 30°C (86°F).

Summer, from June to mid-September, is warm and sunny, but also windy.

Autumn, from mid-September to November, is initially warm and sunny, but gradually becomes cool and wet. Autumn is also windy.

Winter, from December to mid-March, is mild, wet and windy. On rare occassions it can snow. December and January are the wettest months.

Spring, from mid-March to May, is mild and sunny, interspersed with wet and windy weather.

By mid-May, the Meltimi begins to blow – a persistent cool and dry wind from the north.

What is the best month to visit Mykonos?
The summer months of June through September are the best months to visit Mykonos – the climate is perfect with hot, sunny weather and little to no rainfall.

July and August are especially popular, however this is peak tourist season in Mykonos with greater crowds and higher prices.

Which is the hottest month in Mykonos?
The hottest month in Mykonos is usually August, with an average high temperature of 28°C (82°F), with moderate heat and humidity and a low of 23°C (73°F).

On the warmest days of the month, the temperature may reach 33°C (91°F).

The warm season lasts from early-June to mid-September, with an average daily high temperature above 26°C (78°F)

Which is the coldest month in Mykonos?
The coldest month in Mykonos is January, with an average high of 12°C (55°F) and a low of 9°C (48°F).

The cool season lasts from early-December through March, with an average daily high temperature below 15°C (59°F).

Which is the sunniest month in Mykonos?
The sunniest time of year in Mykonos is usually July with an average of 12 hours of sunshine per day – that's on average 84% of daylight hours.

What is the humidity in Mykonos?
Mykonos experiences seasonal variation in perceived humidity, with approximate average relative humidity calculated at between 58% – 72% over the course of the year.

The more humid time of year lasts from mid-June through September, when you can expect the comfort level to be muggy at least 9% of the time.

The month with the most muggy days in Mykonos is August, with around 12 days that are muggy.

We derive the humidity comfort level from the dew point temperature, which measures moisture content in the air. A higher dew point feels muggy and uncomfortable.

November through May is generally comfortable, with no days in any month that are muggy.

When is the sea warmest in Mykonos?
The sea is usually at its warmest in Mykonos in August when the water temperature averages 24°C (75°F), which is warm enough for swimming.

The sea is warm enough for swimming during the months of July to September.

Which month has the most rain in Mykonos?
January and December are equally the wettest months in Mykonos with on average 100mm (4in) and 10 days of some rainfall in each month.

The wet season usually lasts from late-October through March, with a greater than 16% chance of a given day being a wet day. You can expect light showers.

The drier season lasts from April to late-October. The months with the least rainfall in Mykonos are July and August.

Which is the windiest month in Mykonos?
The windiest month of the year in Mykonos is February, with an average hourly wind speed of more than 25 kilometres per hour (13 knots; 15 mph).

The windy part of the year lasts from early-October through March, with average wind speeds of more than 21 kilometres per hour (11 knots; 13 mph).

The less-windy time of year lasts from early-April through to early-October. The calmest month of the year in Mykonos is May, with an average hourly wind speed of 17 kilometres per hour (9 knots; 11 mph).

The predominant average hourly wind direction in Mykonos is from the north throughout the year.

Mykonos Weather Averages

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average high temperature (°C)
12 13 15 18 22 26 28 28 25 22 18 14
Average low temperature (°C)
9 9 11 13 16 21 23 23 20 17 14 10
Average daily sunshine (hrs)
3 5 6 8 9 11 12 11 9 7 5 3
Average daily daylight (hrs)
10 11 12 13 14 14 14 13 12 11 10 9
Comfort level
Cold, no heat & humidity Cold, no heat & humidity No heat & humidity No heat & humidity Low heat & humidity icon Moderately hot icon Moderately hot icon Moderately hot icon Moderately hot icon Low heat & humidity icon No heat & humidity No heat & humidity
Average relative humidity (%)
71 71 69 68 64 59 58 62 65 72 72 72
UV Index (max)
2 3 5 6 8 9 10 9 7 5 3 2
Average days of rainfall (≥1mm)
10 8 7 5 3 1 - - 2 5 6 10
Average monthly rainfall (mm)
100 70 60 25 15 4 2 2 10 45 65 100
Average wind speed (km/h)
25 25 23 20 17 19 24 25 22 22 23 24
Average sea temperature (°C)
16 15 15 16 18 21 23 24 23 21 19 17
Mykonos, Greece

Holiday seasons

High season: July and August, when hotel and restaurant prices sky-rocket.

Low season: From March to June – the temperature is cooler, hotel prices are more reasonable and the crowds non-existent.

Note: The winter off-season, from November through February, is generally quiet everywhere; many hotels, restaurants and bars close down and the beaches are deserted. Ferry and air services are dramatically reduced.

Mykonos weather by month

Source: Meteorological data for Mykonos is based on weather statistics gathered for the 30-year period 1991 to 2020 by the Hellenic National Meteorological Service (HNMS) at the closest weather station: Mykonos Airport (JMK), located about 4km (2.4mi) from Mykonos Town.

Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices.

More about Mykonos…

Latest update: Best time to visit Mykonos: 12 May, 2024

Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.