| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 12.6° | 1.1° | 118.6mm | 10.5 | 54 |
| February | 15° | 2.9° | 109.6mm | 10.2 | 64 |
| March | 19.4° | 6.3° | 109mm | 9.5 | 79 |
| April | 23.6° | 9.9° | 92.9mm | 8.1 | 84 |
| May | 27.8° | 14.9° | 83.3mm | 9.1 | 79 |
| June | 31.5° | 19.2° | 112.1mm | 11 | 60 |
| July | 33° | 21.2° | 110mm | 10.9 | 54 |
| August | 32.3° | 20.8° | 112.7mm | 9.7 | 59 |
| September | 29.2° | 17.4° | 95.1mm | 7.4 | 76 |
| October | 24° | 11.1° | 81.1mm | 6.3 | 87 |
| November | 18.2° | 5.5° | 90.6mm | 8.3 | 78 |
| December | 13.7° | 2.5° | 115.1mm | 10.5 | 59 |
January in Athens averages a daily high of 12.6°C with nights around 1.1°C. Expect roughly 10.5 wet days totalling 118.6mm. Demanding conditions — pack for it and plan indoor options.
February in Athens averages a daily high of 15°C with nights around 2.9°C. Expect roughly 10.2 wet days totalling 109.6mm. Generally workable, with some weather to plan around.
March in Athens averages a daily high of 19.4°C with nights around 6.3°C. Expect roughly 9.5 wet days totalling 109mm. Comfortable conditions for being outdoors all day.
April in Athens averages a daily high of 23.6°C with nights around 9.9°C. Expect roughly 8.1 wet days totalling 92.9mm. Comfortable conditions for being outdoors all day.
May in Athens averages a daily high of 27.8°C with nights around 14.9°C. Expect roughly 9.1 wet days totalling 83.3mm. Comfortable conditions for being outdoors all day.
June in Athens averages a daily high of 31.5°C with nights around 19.2°C. Expect roughly 11 wet days totalling 112.1mm. Generally workable, with some weather to plan around.
July in Athens averages a daily high of 33°C with nights around 21.2°C. Expect roughly 10.9 wet days totalling 110mm. Demanding conditions — pack for it and plan indoor options.
August in Athens averages a daily high of 32.3°C with nights around 20.8°C. Expect roughly 9.7 wet days totalling 112.7mm. Generally workable, with some weather to plan around.
September in Athens averages a daily high of 29.2°C with nights around 17.4°C. Expect roughly 7.4 wet days totalling 95.1mm. Comfortable conditions for being outdoors all day.
October in Athens averages a daily high of 24°C with nights around 11.1°C. Expect roughly 6.3 wet days totalling 81.1mm. Comfortable conditions for being outdoors all day.
November in Athens averages a daily high of 18.2°C with nights around 5.5°C. Expect roughly 8.3 wet days totalling 90.6mm. Comfortable conditions for being outdoors all day.
December in Athens averages a daily high of 13.7°C with nights around 2.5°C. Expect roughly 10.5 wet days totalling 115.1mm. Generally workable, with some weather to plan around.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Athens peaks at 87.
Based on 30 years of records, March–May scores highest for comfort in Athens, balancing daytime temperature against rainfall.
July is the warmest, averaging a daily high of 33°C.
January is the wettest, averaging 118.6mm of rain across roughly 10.5 wet days.
January is the coolest month, with average daily highs around 12.6°C.