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Average temperatures, rainfall, sunshine and the best time to visit Kalloni.
Kalloni, Attica, Greece, sees big temperature differences between seasons, with August peaking at 32°C (90°F) and January dropping to 14°C (57°F).
With around 385 mm (15 in) of annual rainfall, Kalloni has a fairly dry climate. However, it has a distinct dry season from April to October, with very warm summers and mild winters. The wettest month is December, while July sees the least rain. The sunniest month is July, with 12.1 hours of sunshine per day on average.
Pick a month to see the average temperature, rainfall and sunshine in Kalloni - and find the best time to visit.
Visitors to Kalloni can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 32°C (90°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 14°C (57°F).
At night, temperatures range from around 25°C (77°F) in August to 9°C (48°F) in January.
Check out our detailed temperature page for more information.
Kalloni typically sees modest rainfall throughout the year, with an average annual precipitation of 385 mm (15 in). Kalloni can be quite wet during December, receiving approximately 62 mm (2.4 in) of precipitation over 11 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 4.2 mm (0.2 in) of precipitation spread across 2 rainy days. For more details, please visit our Kalloni Precipitation page.
Kalloni can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 12.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
The relative humidity is high throughout the year in Kalloni.
The city experiences its highest humidity in November, reaching 73%. In July, the humidity drops to its lowest level at 43%. What does this mean? Read our detailed page on humidity levels for further details.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
April, May, June, September, October and November typically offer the most optimal weather in Kalloni. In contrast, January, February, March and December tend to have less optimal conditions. Kalloni has a distinct dry season from April to October, with very warm summers and mild winters.
Daytime highs range from 14°C (57°F) in January to 32°C (90°F) in August. Nighttime lows range from 9°C (48°F) to 25°C (77°F). Temperatures vary considerably through the year.
Annual rainfall is around 385 mm (15 in). December is the wettest month with 62 mm (2.4 in), while July is the driest with 4.2 mm (0.2 in).
Kalloni receives around 2,773 hours of sunshine per year. July is the sunniest month with 364 hours, while December is the cloudiest with just 127 hours. Overall, Kalloni enjoys abundant sunshine.
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Where to go in October - average daytime high across popular destinations.
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