The climate of Greece

Greece is known for its long, hot and dry summers and mild winters. It has a hot-summer Mediterranean climate (Koppen climate classification: Csa). With an average of 416.6mm (16.4″) of precipitation a year, the majority of which occurs during the winter months, between October and April. The rainfall during the summer months mostly occurs during the thunderstorms, which take place once or twice a month.

July tends to be the hottest month, with the daily average high temperature of 34.4°C (93.9°F), though western areas of the city tend to see higher temperatures due to the industrialization of the area.

Greece holds the World Meteorological Organisation record for the highest temperature ever recorded in Europe, at a scorching 48°C (118.4°F).

Check the online weather forecast in Greece. Plan your trip on pour site with all the necessary information’s on one spot! Because we are here for you.

The best time to visit Greece

The best time to visit Greece, Greece, is either during the spring or autumn months.
Although there is the occasional spot of rain, the average temperature in both May and October is a very pleasant 20°C (68°F) – the perfect temperature for exploring the city and surrounding area.

The worst time to visit Greece

The worst time to visit the city is from late July to early September when the average temperature is 32°C (89.6°F), and depending on the part of the capital even more, with no clouds as a respite from the summer sun. The problem of traffic congestion in the city center mixed with this heat results in an unpleasant summer smog.
From mid-October, the weather is less uncomfortable as it is more cloudy and likely to rain than in summer, but when it does rain, sometimes it can be violent and concentrated.

Weather in January
Along with being one of the coldest months of the year, with an average temperature of 10°C (50°F), January has very little sunshine and a fairly high chance of rain for Greece standards.

Weather in February
February is one of the coldest months of the year, yet is still relatively mild for winter in Europe. Like January, the average temperature is 10°C (50°F), but it is one of the months where rain is most likely.

Weather in March
March is a great time to visit Greece before the temperatures begin to get too high. The average temperature is 12°C (53.6°F), so although a coat is likely to be needed, the winter chill starts to ease slightly.

Weather in April
April brings warm spring temperatures, with an average of 15°C (59°F). With mostly sunny days and very little chance of rain, April is when Greece start to see a slight increase in the number of visitors

Weather in May
Spring is really in full swing in May, so unsurprisingly, with the rising temperatures comes more visitors from overseas. May is the first month to show signs of the summer heat.

Weather in June
June is when summer officially begins in Greece, with an average temperature of 24°C (75.2°F) and remaining pretty much the same throughout, with just a slight rise as the year goes on.

Weather in July
On average, the summer temperatures are at their very highest in July, with an average of 27°C (80.6°F). Still, it is not unusual for temperatures to reach way over 30°C (86°F).

Weather in August
Although temperatures were at their very highest in July, the weather doesn’t cool off much in August, as the average temperature is still at 27°C (80.6°F).

Weather in September
As autumn comes, some of the summer heat starts to fade slightly. Average temperatures in Greece are still at a pleasant 24°C (75.2°F).

Weather in October
The average day temperature ranges from 15°C (59°F) to 23°C (73.4°F), and the temperature decreases further still nearing the end of the month.

Weather in November
The temperature in Greece in November starts to get cold as winter closes in, but it is still much warmer than most of northern Europe at this time of year.

Weather in December
As expected, December is one of the coldest months in Greece, yet compared to many other European countries is still relatively mild, making it a good place for a little winter sun.

FAQ

What is the coldest month in Greece?
January is the coldest month in Greece, with an average high-temperature of 13.3°C (55.9°F) and an average low-temperature of 6.8°C (44.2°F).

How much does it rain in Greece?
In Greece, during the entire year, the rain falls for 87.1 days and collects up to 414.1mm (16.3″) of precipitation.

When is the lowest UV index in Greece?
Months with the lowest UV index in Greece, are January and December, with an average maximum UV index of 2.

What month is the sea coldest in Greece?
With an average sea temperature of 15°C (59°F), February is the month with the coldest seawater in Greece.

When are the longest days in Greece?
The month with the longest days in Greece is June, with an average of 14.8h of daylight.

What is the driest month in Greece?
The month with the least rainfall is July when the rain falls for 1.9 days and typically collects 5.8mm (0.2″) of precipitation.

What month has the most sunshine in Greece?
July has the most sunshine of the year in Greece, with an average of 12.4h of sunshine.

When is the highest UV index in Greece?
July is the month with the highest UV index, with an average maximum UV index of 10.

What is the warmest month in Greece?
August is the warmest month in Greece, with an average high-temperature of 33.7°C (92.7°F) and an average low-temperature of 23.8°C (74.8°F).

What is the least humid month in Greece?
The least humid month in Greece is August, with an average relative humidity of 47.6%.

When is the sea warmest in Greece?
The month with the warmest seawater in Greece is August, with an average sea temperature of 26.3°C (79.3°F).

What is the most humid month in Greece?
November is the most humid month in Greece, with an average relative humidity of 71.9%.

What is the wettest month in Greece?
The month with the most rainfall in Greece is December when the rain falls for 12.1 days and typically aggregates up to 69.1mm (2.7″) of precipitation.

What is the month with the shortest days in Greece?
With an average of 9.6h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Greece?
December has the least sunshine of the year in Greece, with an average of 3.4h of sunshine.

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