In general the best time to visit Athens is probably May, June, July, August, September, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
The best time for a sunbathing holiday is June, July, August. Average maximum temperatures are up to +32°C in August and it has 26 sunny days on average.
In general, it’s pleasant to walk and do outdoor activities during April - November.
If you want to avoid wet weather, then your choice is January, November, December with the lowest chance of rain.
Average weather in Athens in different months
This is the average weather in Athens for each month based on historic data:
In May, June, July, August, September the weather is great. There are an average of 27 sunny days in July and the temperature ranges from +23°C to +32°C.
January, March, April, October, November usually has good weather. Average maximum temperature reaches +23°C during October.
In February, December the weather is average. Expect around 21 rainy days, and the precipitation amounts to approximately 114 mm in December.
Climate in Athens
Here is the detailed breakdown of the climate in Athens for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+23°C
+23°C
+26°C
+30°C
+37°C
+40°C
+43°C
+43°C
+39°C
+34°C
+28°C
+22°C
Average Maximum Temperature
+13°C
+13°C
+15°C
+19°C
+24°C
+29°C
+32°C
+32°C
+28°C
+23°C
+18°C
+14°C
Minimum Temperature
-3°C
-5°C
-2°C
+3°C
+7°C
+12°C
+16°C
+17°C
+11°C
+6°C
+2°C
-2°C
Avg. water temperature
+17°C
+16°C
+16°C
+18°C
+21°C
+24°C
+28°C
+28°C
+26°C
+25°C
+21°C
+18°C
Humidity, %
69
67
65
60
55
49
44
44
53
62
69
70
Rain, mm
106
64
84
43
19
12
6
17
62
61
86
114
Snow, mm
1
1
0
0
0
0
0
0
0
0
0
0
Average wind speed, m/s
3
4
3
3
3
3
4
4
3
3
3
3
Sunny Days
8
7
10
13
16
22
27
26
20
14
9
7
Cloud Days
10
9
9
9
7
3
1
1
4
8
10
10
Rainy Days
11
10
9
7
5
2
1
2
4
6
8
11
Snowy Days
0
1
0
0
0
0
0
0
0
0
0
0
Average Temperature
Here are the average maximum and minimum temperatures in Athens during the whole year:
The hottest month in Athens is August with average maximum temperature going up to +32°C. The coldest month is January with the lowest temperatures of +6°C.
Water temperature
Here are the water temperatures in Athens during the whole year:
Athens achieves its warmest water temperature in August, where the average sea temperature goes up to +26°C. Coldest water temperature is in February with +15°C in average.
When can you swim in Athens?
You can swim in Athens from June to October:
In July - September the water is warm (25°C - 28°C);
In June the water is comfortable (21°C - 25°C);
Humidity
The temperature feels different depending on humidity. Here is how humidity in Athens looks throughout the year, in %:
The most humid month in Athens is December with average humidity going up to 70%. The least humid month is July with an average humidity of 44%.
Rain
Amount of rainfall in mm. in Athens during the whole year based on historical data:
The sunniest and driest month is July with approximately 27 sunny days and a total precipitation of around 6 mm. The rainiest and wettest month is December with approximately 11 rainy days and 114 mm of total precipitation.
Snow
Amount of snow in mm. in Athens during the whole year based on historical data:
The snowiest month is February with approximately 1 snowy days.
FAQ
Frequently asked questions about the weather in Athens:
What is the hottest month in Athens?
The hottest month in Athens is August with average maximum temperature of +32°C.
What is the coldest month in Athens?
The coldest month in Athens is January with minimum temperatures of +6°C.
Is Athens worth visiting in winter?
Winter in Athens could be a good time to visit, as the weather is generally ok.
When does it rain the least in Athens?
if you're looking to visit Athens when it rains the least, you should plan your trip for December, January, November. During this time, rainfall is rare with the driest month being July with only 6 mm of rain.
For this page, we’ve looked at the typical weather in Athens, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.