Athens, Greece Climate & Monthly Averages
Athens has a semi-arid climate. July is the hottest month, averaging 92° by day; January is the coldest at 54°.
Sunshine is a defining feature of Athens's climate
Athens runs on a dry-summer rhythm: the warmest months are also the driest. July averages 10 mm (0.4 in) while the wet season peaks in December at 3.4 inches (86 mm). Highs range from 54°F (12°C) to 92°F (34°C).
How sun, temperature and rain fit together
Warmth peaks in July: highs of 92°F (34°C), lows of 74°F (23°C). January sits at the other end of the year: 54°F (12°C) by day, 42°F (5°C) at night. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 111°F (44°C) and the lowest daily minimum 26°F (-3°C). Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is April through May.
July is the brightest month at 13.6 hours of sun a day, against an annual average of 10.5 - sunnier than roughly 82% of the cities we track. Precipitation concentrates in December - 3.4 inches (86 mm) on 8 days - and thins out by July. Snowfall is rare but not unheard of.
More climate facts for Athens
- Hottest month: July - highs near 92°F (34°C)
- Coldest month: January - highs near 54°F (12°C)
- Decade extremes (2015-2024): 111°F (44°C) high · 26°F (-3°C) low
- Wettest month: December (8 rainy days) · Sunniest: July (13.6 h sun/day)
- Climate type: semi-arid
- Annual swing: 20°C between the average warmest and coolest month · day to night: 8°C
- Snow: about 1 days a year
- Months averaging 30°C or hotter: 3
- Average humidity: 62%
The most comfortable sunny-weather window
Best time to visit Athens
The best time to visit Athens is generally March to May and September to November, when temperatures sit either side of the peak heat rather than in it. Daytime temperatures in that window sit near 72°F (22°C), with rain on about 5 days a month. For the same question asked the other way round, see where else is warm in March.
What to pack
Pack for Athens with lightweight, breathable clothing and serious sun protection and a warm jacket and layers for the cooler season. July nights average 74°F (23°C), so evenings rarely match the afternoons.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 54° | 42° | 8 | 2.8 in | 7.3 h/day | 9.8 h | 27% | 75% |
| February | 57° | 44° | 7 | 2.0 in | 8.5 h/day | 10.7 h | 25% | 74% |
| March | 60° | 46° | 7 | 2.1 in | 9.6 h/day | 11.8 h | 24% | 70% |
| April | 69° | 52° | 5 | 1.1 in | 11.4 h/day | 13.1 h | 17% | 60% |
| May | 77° | 61° | 5 | 1.2 in | 12.2 h/day | 14.2 h | 16% | 56% |
| June | 86° | 69° | 6 | 1.2 in | 13.5 h/day | 14.8 h | 18% | 53% |
| July | 92° | 74° | 2 | 0.4 in | 13.6 h/day | 14.5 h | 6% | 44% |
| August | 91° | 73° | 2 | 0.5 in | 12.9 h/day | 13.6 h | 8% | 46% |
| September | 83° | 67° | 3 | 1.2 in | 11.4 h/day | 12.4 h | 11% | 56% |
| October | 74° | 59° | 3 | 1.1 in | 9.6 h/day | 11.1 h | 10% | 66% |
| November | 65° | 52° | 7 | 2.5 in | 8.2 h/day | 10.1 h | 25% | 74% |
| December | 57° | 46° | 8 | 3.4 in | 7.3 h/day | 9.5 h | 27% | 76% |
Athens month by month
Each card shows the average high and low. The bar places that month between Athens's coldest night and warmest afternoon.
January
- Rain
- 8 days
- Sunshine
- 7.3 h
- Daylight
- 9.8 h
February
- Rain
- 7 days
- Sunshine
- 8.5 h
- Daylight
- 10.7 h
March
- Rain
- 7 days
- Sunshine
- 9.6 h
- Daylight
- 11.8 h
April
- Rain
- 5 days
- Sunshine
- 11.4 h
- Daylight
- 13.1 h
May
- Rain
- 5 days
- Sunshine
- 12.2 h
- Daylight
- 14.2 h
June
- Rain
- 6 days
- Sunshine
- 13.5 h
- Daylight
- 14.8 h
July
- Rain
- 2 days
- Sunshine
- 13.6 h
- Daylight
- 14.5 h
August
- Rain
- 2 days
- Sunshine
- 12.9 h
- Daylight
- 13.6 h
September
- Rain
- 3 days
- Sunshine
- 11.4 h
- Daylight
- 12.4 h
October
- Rain
- 3 days
- Sunshine
- 9.6 h
- Daylight
- 11.1 h
November
- Rain
- 7 days
- Sunshine
- 8.2 h
- Daylight
- 10.1 h
December
- Rain
- 8 days
- Sunshine
- 7.3 h
- Daylight
- 9.5 h
Looking for warmer alternatives? Browse warm places by month, or compare Athens's coolest part of the year: January, February, December.
Seasonal weather under Athens's sunnier skies
Spring (March through May)
Spring brings comfortable warmth here - highs near 69°F (20°C), nights near 53°F (12°C), and rain comes on about 17 days over the three months. Daylight is generous - around 11.1 hours of sun a day.
Summer (June through August)
Summer in Athens is hot, with daytime highs averaging 90°F (32°C) and nights around 72°F (22°C); rain comes on about 10 days over the three months. Daylight is generous - around 13.3 hours of sun a day.
Fall (September through November)
Through fall, Athens is mild and warm: 74°F (24°C) by day, 60°F (15°C) after dark, and rain comes on about 14 days over the three months.
Winter (December through February)
Through winter, Athens is mild: 56°F (13°C) by day, 44°F (6°C) after dark, and expect showers on roughly 24 days across the season.
How unusual is Athens?
- Athens sits close to the middle of our dataset on most measures: 64°F (18°C) as an annual average, 19.4 inches (492 mm) of precipitation and 10.5 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.
Athens temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.