Greece climate

Monthly averages for Athens, 2021–2025

In Athens, the warmest month is July, with an average high of 35°C, and the coldest is February, when nights average 6°C.

About 496 mm of rain falls in a year, on roughly 65 days. December is the wettest month (101 mm) and July the driest (9 mm).

Wind is strongest in July (9 km/h on average) and lightest in December (8 km/h).

Compared with Dublin, July afternoons are 15°C warmer, and January afternoons 5°C milder.

The hottest day in 2021–2025 reached 43.6°C (3 August 2021), and the coldest night fell to −2.4°C (23 January 2022).

Temperature

Bars run from the average night-time low to the average daytime high, in °C.

Average total rainfall each month, in millimetres.

Average wind speed at 10 metres each month, in km/h.

Athens month by month
Month	High °C	Low °C	Rain mm	Rain days	Sun h/day	Wind km/h
January	13	6	62	7	7.4	9
February	14	6	45	7	8.2	9
March	16	8	34	6	9.7	9
April	20	11	38	7	11.1	8
May	25	16	36	5	12.0	8
June	31	21	25	5	13.6	8
July	35	24	9	1	13.7	9
August	33	24	16	3	12.8	9
September	29	20	18	3	11.4	8
October	23	15	27	4	9.7	8
November	19	12	85	8	8.1	8
December	15	8	101	9	7.2	8