Poros Weather & Climate: Best Time to Visit

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

Climate overview of Poros

The climate in Poros, Poros Island, Greece, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in August to 15°C (59°F) in January.

The city tends toward dry conditions, with around 382 mm (15 in) of rainfall per year. It does, however, have a distinct dry season from April to October, with very warm summers and mild winters. The most sunshine falls in July, with an average of 12.1 hours of daily sunshine.

Poros Weather by Month

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

Monthly Temperature in Poros

In Poros, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in August to a moderate 15°C (59°F) in the coolest month, January.

Nights vary from 25°C (77°F) in August to around 10°C (50°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Poros

Poros tends toward drier weather patterns, receiving approximately 382 mm (15 in) of rain per year. The climate in Poros shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 67 mm (2.6 in) of precipitation over 11 rainy days.

In contrast, the driest month July offers drier and sunnier days, with around 3.1 mm (0.1 in) of rainfall over a single rainy day. For more details, please visit our Poros Precipitation page.

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

Sunshine Hours in Poros

For those who appreciate different seasons, Poros serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.1 hours of sunshine daily, and embrace the darker days in December, offering only 4.2 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Athens, Greece (49 KM, 30 Miles).

Daily hours of sunshine

Data from: Athens, Greece (49 KM, 30 Miles).

Humidity in Poros by Month

Best Time to Visit Poros

The most comfortable overall weather for exploring Poros is usually found in April, May, June, September, October and November. Conditions are generally least comfortable 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 Poros

What is the best time to visit Poros?

April, May, June, September, October and November typically offer the most optimal weather in Poros. In contrast, January, February, March and December tend to have less optimal conditions. Poros has a distinct dry season from April to October, with very warm summers and mild winters.

What temperatures can I expect in Poros?

Daytime highs range from 15°C (59°F) in January to 31°C (88°F) in August. Nighttime lows range from 10°C (50°F) to 25°C (77°F). Temperatures vary considerably through the year.

How much rain does Poros get?

Annual rainfall is around 382 mm (15 in). December is the wettest month with 67 mm (2.6 in), while July is the driest with 3.1 mm (0.1 in).

How sunny is Poros?

Poros 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, Poros enjoys abundant sunshine.

Poros 3-Day Forecast

Poros on the map

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