The most comfortable time to visit Athens is from mid April to mid June, and again from mid September to mid November. For sun, aim for June to mid September; for walking, go from mid October to mid May.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, go from June to mid September. It peaks in late August, at 73. Avoid mid November to mid April for this: it falls to 0, mostly because it is too cool. The clearest skies come in July, when the sky is typically 26% covered at midday (mostly clear).
The being outside season here runs from mid April to mid June, with a second spell from mid September to mid November. It peaks in late May, at 85. The weakest stretch is in mid and late January, when it drops to 13, mostly because it is too cold.
For walking, go from mid October to mid May. It peaks in early March, at 85. Avoid late June to August for this: it falls to 5, mostly because it is too warm.
The year, measured
The average temperature in Athens over the whole year is 18°C. July is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 7°C. Athens has no sharply defined rainy season: the chance of rain on a given day runs from 1% in July, the driest month, to 14% in December, the wettest. Winds in Athens are highest in August, averaging 4.1 m/s (15 km/h), and lightest in December, at 2.8 m/s (10 km/h). The prevailing wind is from the N. The clearest skies in Athens come in July, when the sky is typically 23% covered; December is the cloudiest month, at 51%.
Month by month Athens climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 12°C | 7°C | 9°C | 13% | 50% | 3.0 m/s | 19 | 0 | 62 |
| February | 14°C | 8°C | 10°C | 12% | 51% | 3.0 m/s | 26 | 0 | 70 |
| March | 16°C | 9°C | 12°C | 8% | 46% | 3.1 m/s | 36 | 0 | 81 |
| April | 20°C | 12°C | 16°C | 6% | 41% | 3.0 m/s | 66 | 4 | 82 |
| May | 24°C | 17°C | 21°C | 5% | 40% | 2.9 m/s | 83 | 24 | 62 |
| June | 30°C | 22°C | 27°C | 4% | 31% | 3.2 m/s | 52 | 67 | 18 |
| July | 33°C | 25°C | 29°C | 1% | 23% | 3.9 m/s | 31 | 68 | 8 |
| August | 32°C | 25°C | 29°C | 2% | 23% | 4.1 m/s | 35 | 71 | 8 |
| September | 28°C | 21°C | 25°C | 5% | 32% | 3.4 m/s | 62 | 56 | 29 |
| October | 23°C | 17°C | 21°C | 5% | 37% | 3.1 m/s | 80 | 23 | 64 |
| November | 18°C | 13°C | 15°C | 11% | 46% | 2.9 m/s | 59 | 3 | 81 |
| December | 14°C | 9°C | 11°C | 14% | 51% | 2.8 m/s | 31 | 0 | 75 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Athens weather by season
Year round, Athens has days of about 12°C at their warmest in January, its coolest month, and 33°C in July, its warmest; the coolest hours of the day run from 7°C to 25°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around December and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Athens weather in winterDecember to February
Winter in Athens has typical daily highs of about 13°C and lows of about 8°C, with a 13% chance of rain on a given day.
Athens weather in springMarch to May
Spring in Athens has typical daily highs of about 20°C and lows of about 13°C, with a 6% chance of rain on a given day.
Athens weather in summerJune to August
Summer in Athens has typical daily highs of about 31°C and lows of about 24°C, with a 2% chance of rain on a given day.
Athens weather in autumnSeptember to November
Autumn in Athens has typical daily highs of about 23°C and lows of about 17°C, with a 7% chance of rain on a given day.
When is the rainy season in Athens?
Athens has no sharply defined rainy season: the chance of rain on a given day runs from 1% in July, the driest month, to 14% in December, the wettest.
What time of year is Athens windiest?
Winds in Athens are highest in August, averaging 4.1 m/s (15 km/h), and lightest in December, at 2.8 m/s (10 km/h). The prevailing wind is from the N.
What is the average temperature in Athens year round?
The average temperature in Athens over the whole year is 18°C. July is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 7°C.
Where to go instead in mid January, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.