Weather in Athens in August 2025
- August is usually the hottest month of the year in Athens;
Average weather
Average temperature in Athens in August
The expected average maximum temperature in August is +91°F with a maximum of +97°F and a minimum of +73°F.
The average maximum temperature goes down 8% by the end of the month, compared with the beginning of the month, from +93°F to +91°F.
Is Athens warm or cold in August?
Athens is typically hot in August.
Maximum temperatures go up compared to the previous month from +90°F to +90°F. The minimum temperature also goes up from +73°F to +73°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
August is the hottest month in Athens, here is the comparison with other months:
Water temperature in Athens in August
Water in Athens in August is Warm. It varies from +76°F to +83°F, with an average of +79°F. The air temperature averaging +90°F is higher than the water temperature.
The water temperature in August is one of the warmest of the entire year:
Can you swim in Athens in August?
Climate in Athens in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +90°F | +90°F | +82°F | ||||
| Min. temperature | ||||||
| +61°F | +63°F | +52°F | ||||
| Max. temperature | ||||||
| +109°F | +109°F | +102°F | ||||
| Rainfall | ||||||
| 6 mm | 17 mm | 62 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +78°F | +79°F | +77°F | ||||
| Humidity | ||||||
| 44% | 44% | 53% | ||||
| Air pressure | ||||||
| 1010 HPa | 1010 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 27 | 26 | 20 | ||||
| Cloudy days | ||||||
| 1 | 1 | 4 | ||||
| Rainy days | ||||||
| 1 | 2 | 4 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as great as in July. The temperature levels stay the same in the area of +90°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 6 mm to 17 mm. Humidity levels don’t change as the month goes on, averaging around 44%. The average wind speed doesn’t change much during August, staying around 4 m/s. The days becoming less sunny, going from 27 sunny days in July to 26 in August.
September brings much the same weather, it remains great.
Wind
The average wind speed is 4 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Athens is gradually increasing during August, going from 4 m/s to 4 m/s over the course of the month.
Rain
How was the weather last August in Athens?
Climate Change Over the Years
The climate in Athens in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1980 (+68°F) and the highest in 2023 (+74°F). The driest year was 2000 with only 170 mm of rainfall, and the wettest year was 2022 with 5004 mm.
FAQ
Is August a good time to visit Athens?
Can you sunbathe in Athens in August?
Can you swim in Athens in August?
Is Athens rainy in August?
Is it sunny in Athens in August?
Other cities in Greece
Monthly weather in Athens
Source of the data
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.