Experience the Mediterranean charm of Athens, where temperatures range from 15°C (59°F) in winter to a balmy 30°C (86°F) in summer. Spring and autumn offer milder climates, with average highs between 20-25°C (68-77°F). Interestingly, Athens boasts over 290 sunny days per year! During your visit, don't miss a leisurely stroll through the ancient Acropolis under the warm Greek sunset.
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Athens Climate & Weather Averages
What is the weather really like in Athens? Over 2015–2024, July was the hottest month with highs around 33°C, January the coolest at about 12°C, and December brought the most rain. The full month-by-month picture is in the table below.
Athens enjoys a temperate climate without harsh extremes: summers are pleasant (33°C average highs in July), winters cool but manageable (12°C in January), and rain is a year-round companion that peaks in December. Snow does visit — about 3 days a year — but rarely settles in for long.
| Month | Avg High | Avg Low | Rainfall | Sunshine (h/day) | Wind (km/h) | Snow days |
|---|---|---|---|---|---|---|
| Jan | 12° | 5° | 72 mm | 7.3 | 17 | 1 |
| Feb | 14° | 7° | 50 mm | 8.5 | 16 | 1 |
| Mar | 16° | 8° | 52 mm | 9.6 | 16 | — |
| Apr | 20° | 11° | 27 mm | 11.4 | 16 | — |
| May | 25° | 16° | 30 mm | 12.2 | 16 | — |
| Jun | 30° | 20° | 31 mm | 13.5 | 17 | — |
| Jul | 33° | 23° | 10 mm | 13.6 | 18 | — |
| Aug | 33° | 23° | 12 mm | 12.9 | 17 | — |
| Sep | 29° | 20° | 30 mm | 11.4 | 17 | — |
| Oct | 23° | 15° | 28 mm | 9.6 | 15 | — |
| Nov | 19° | 11° | 65 mm | 8.2 | 15 | — |
| Dec | 14° | 8° | 86 mm | 7.3 | 15 | 1 |
A warming climate: Athens's warmest month (July) has warmed from an average high of 32°C in the 1950s to 33°C today — a shift of +1.1°C over roughly seventy years.
Sunshine is most generous in July, averaging about 13.6 hours a day, and thinnest in January at roughly 7.3 hours. The breeziest stretch of the year comes around July, when daily winds typically peak near 18 km/h.
Best time to visit: April–October offers the most comfortable conditions, with daytime highs around 23°C. Light, breathable layers plus a light waterproof cover most days here. For the coldest spell around January, bring warmer layers.
Athens weather — frequently asked questions
How hot does Athens get in summer?
July is the hottest month, with daytime highs averaging 33°C — individual days run hotter still. Nights in July typically stay around 23°C.
What is the sunniest month in Athens?
July, with roughly 13.6 hours of sunshine a day on average over 2015–2024. The dimmest month is January, at about 7.3 hours.
When is the best time to visit Athens?
Weather-wise, April–October is the sweet spot in Athens: average daytime highs around 23°C with less rain than the December peak. Data from 2015–2024.
What is the rainiest month in Athens?
December is on average the wettest month in Athens, with about 86 mm of rainfall. The driest month is typically July, at around 10 mm.
Does it snow in Athens?
Yes. Athens averages about 3 days with snowfall per year, falling mostly between January and January.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.