Kalloni Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Kalloni.

Climate overview of 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.

Kalloni Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Kalloni - and find the best time to visit.

Monthly Temperature in Kalloni

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.

Temperature ranges by month

Rainfall in Kalloni

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.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Kalloni

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.

Monthly hours of sunshine

Data from: Athens, Greece (56 KM, 34 Miles).

Daily hours of sunshine

Data from: Athens, Greece (56 KM, 34 Miles).

Humidity in Kalloni by Month

Best Time to Visit Kalloni

For comfortable weather, consider visiting Kalloni in April, May, June, September, October and November. Conditions are usually least favourable in January, February, March and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: April, May, June, September, October and November
  • Warmest weather: July and August
  • Most sunshine: July
  • Fewest rainy days: June, July, August and September
  • Seasonal pattern: A distinct dry season from April to October, with very warm summers and mild winters

Frequently asked questions about the climate in Kalloni

What is the best time to visit Kalloni?

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.

What temperatures can I expect in Kalloni?

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.

How much rain does Kalloni get?

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).

How sunny is Kalloni?

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.

Kalloni 3-Day Forecast

Kalloni on the map

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