Athens, Greece Climate & Monthly Averages
The climate of Athens
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).
Climate quick facts
- 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%
Temperatures through the year
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.
Rain, sun and snow
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.
How Athens compares
- 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.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 54° | 42° | 8 | 2.8 in | 7.3 h/day | 75% |
| February | 57° | 44° | 7 | 2.0 in | 8.5 h/day | 74% |
| March | 60° | 46° | 7 | 2.1 in | 9.6 h/day | 70% |
| April | 69° | 52° | 5 | 1.1 in | 11.4 h/day | 60% |
| May | 77° | 61° | 5 | 1.2 in | 12.2 h/day | 56% |
| June | 86° | 69° | 6 | 1.2 in | 13.5 h/day | 53% |
| July | 92° | 74° | 2 | 0.4 in | 13.6 h/day | 44% |
| August | 91° | 73° | 2 | 0.5 in | 12.9 h/day | 46% |
| September | 83° | 67° | 3 | 1.2 in | 11.4 h/day | 56% |
| October | 74° | 59° | 3 | 1.1 in | 9.6 h/day | 66% |
| November | 65° | 52° | 7 | 2.5 in | 8.2 h/day | 74% |
| December | 57° | 46° | 8 | 3.4 in | 7.3 h/day | 76% |
Athens month by month
Athens weather in January
January brings highs around 54°F (12°C), lows near 42°F (5°C), about 8 wet days - typically the coldest month of the year in Athens.
Athens weather in February
February brings highs around 57°F (14°C), lows near 44°F (7°C), about 7 wet days.
Athens weather in March
March brings highs around 60°F (16°C), lows near 46°F (8°C), about 7 wet days.
Athens weather in April
April brings highs around 69°F (20°C), lows near 52°F (11°C), about 5 wet days.
Athens weather in May
May brings highs around 77°F (25°C), lows near 61°F (16°C), about 5 wet days.
Athens weather in June
June brings highs around 86°F (30°C), lows near 69°F (20°C), about 6 wet days.
Athens weather in July
July brings highs around 92°F (34°C), lows near 74°F (23°C), about 2 wet days - typically the hottest month and the driest month and the sunniest month of the year in Athens.
Athens weather in August
August brings highs around 91°F (33°C), lows near 73°F (23°C), about 2 wet days.
Athens weather in September
September brings highs around 83°F (29°C), lows near 67°F (20°C), about 3 wet days.
Athens weather in October
October brings highs around 74°F (23°C), lows near 59°F (15°C), about 3 wet days.
Athens weather in November
November brings highs around 65°F (19°C), lows near 52°F (11°C), about 7 wet days.
Athens weather in December
December brings highs around 57°F (14°C), lows near 46°F (8°C), about 8 wet days - typically the wettest month of the year in Athens.
Seasons in Athens
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.
Climate questions, answered
Is Athens hot in summer?
Is Athens humid?
What should I pack for Athens?
How warm is Athens on average?
How long does summer last in Athens?
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.
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.
Athens temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.