Monthly weather forecast and climate
Athens, Greece

The ancient city of Athens in Greece with a view of the Parthenon Temple at dusk
The ancient city of Athens in Greece with a view of the Parthenon Temple at dusk
Athens 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.

Athens holds the World Meteorological Organisation record for the highest temperature ever recorded in Europe, at a scorching 48°C (118.4°F).
Advertisement .
The best time to visit Athens, 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 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.

Although Athens generally has less rainfall than northern Greece, thunderstorms are almost as frequent and often suffer from flooding, mainly due to human intervention. Athens can also go through some hot and dry periods, which sometimes lead to violent forest fires.

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 Athens standards. Weather in January »

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 February »

March is a great time to visit Athens 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 March »

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 Athens start to see a slight increase in the number of visitors. Weather in April »

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 May »

June is when summer officially begins in Athens, 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 June »

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 July »

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 August »

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

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 October »

The temperature in Athens 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 November »

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

What is the coldest month in Athens?

January is the coldest month, 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 Athens?

In Athens, during the entire year, the rain falls for 87.1 days, and collects up to 414.1mm (16.3") of precipitation.

What is the driest month in Athens?

The month with the least rainfall in Athens, Greece, is July when the rain falls for 1.9 days and typically collects 5.8mm (0.2") of precipitation.

What is the warmest month in Athens?

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

What is the wettest month in Athens?

December is the month with the most rainfall in Athens, Greece. Rain falls for 12.1 days and accumulates 69.1mm (2.7") of precipitation.
Average temperature - Athens, Greece
Average humidity - Athens, Greece

The month with the highest relative humidity is November (71.9%).
The month with the lowest relative humidity is August (47.6%).

Average rainfall - Athens, Greece

The wettest month (with the highest rainfall) is December (69.1mm).
The driest month (with the lowest rainfall) is July (5.8mm).

Average rainfall days - Athens, Greece

The month with the highest number of rainy days is January (12.6 days).
The month with the lowest number of rainy days is August (1.7 days).

Average sea temperature - Athens, Greece

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

Average daylight / Average sunshine - Athens, Greece