Poseidónion Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Poseidónion.
Climate overview of Poseidónion
Poseidónion, Greece, experiences significant temperature variation throughout the year. Summers bring daytime highs of 30°C (86°F) in August, while winters cool to 14°C (57°F) in January.
With around 985 mm (39 in) of annual rainfall, the city has moderate precipitation levels. December is the wettest month and July the driest. It also has a distinct dry season from May to September. The sunniest month is July, with 12.8 hours of sunshine per day on average.
Poseidónion Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Poseidónion — and find the best time to visit.
Monthly Temperature in Poseidónion
Depending on the time of the year, temperatures range from comfortable to moderate in Poseidónion. Typically, average maximum daytime temperatures range from a comfortable 30°C (86°F) in August to a moderate 14°C (57°F) in the coolest month, January.
Nights vary from 24°C (75°F) in August to around 9°C (48°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Poseidónion
Generally, Poseidónion has a moderate amount of precipitation, averaging 985 mm (39 in) of rainfall annually. The climate in Poseidónion shows significant variation throughout the year. Expect heavy rainfall in December, the wettest month, with an average of 202 mm (8 in) of precipitation over 13 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 0.7 mm (0.03 in) of rainfall over 5 rainy days. For more details, please visit our Poseidónion Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Poseidónion
For those who appreciate different seasons, Poseidónion serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 12.8 hours of sunshine daily, and embrace the darker days in December, offering only 3.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Poseidónion
The mean water temperature over the year ranges from 15°C (59°F) in February to 23°C (73°F) in August.
Water temperature over the year
Humidity in Poseidónion by Month
The relative humidity is high throughout the year in Poseidónion.
The city experiences its highest humidity in December, reaching 72%. 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.
Relative humidity over the year
Wind Speed in Poseidónion
The mean wind speed varies between 2 m/s (4 knots) and 3 m/s (6 knots) throughout the year. It is lowest in March, April, May, June and October and highest during January, February, July, August, September, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Poseidónion
Rainfall during this time ranges from 5 mm (0.2 in) in June to 78 mm (3.1 in) in October. This means you can expect a mix of sunny days and occasional showers.
The rainy season falls during January and December, bringing heavy precipitation. Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.
Frequently asked questions about the climate in Poseidónion
What is the best time to visit Poseidónion?
May, June, July, September and October typically offer the most optimal weather in Poseidónion. In contrast, January and December tend to have less optimal conditions. Poseidónion has a distinct dry season from May to September.
What temperatures can I expect in Poseidónion?
Daytime highs range from 14°C (57°F) in January to 30°C (86°F) in August. Nighttime lows range from 9°C (48°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Poseidónion get?
Annual rainfall is around 985 mm (39 in). December is the wettest month with 202 mm (8 in), while July is the driest with 0.7 mm (0.03 in).
How sunny is Poseidónion?
Poseidónion receives around 2,910 hours of sunshine per year. July is the sunniest month with 383 hours, while December is the cloudiest with just 110 hours. Overall, Poseidónion enjoys abundant sunshine.
Poseidónion 3-Day Forecast
Poseidónion 3-Day Forecast
Poseidónion on the map
Poseidónion is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Top 5 secluded beaches in Greece
Explore Greece's hidden gems: secluded beaches like Fokos, Seychelles, Potami, Kedrodasos, and Mouros for tranquil adventures away from crowds.
Discover Zakynthos
On the Greek island you can discover the rugged coastline, authentic old villages, a beautiful interior and the caves with the beautiful azure water.
Why Santorini should be on every Bucket List
This Greek island is home to some of the most stunning scenery globally, with its beautiful Caldera views, white-washed houses and crystal-clear waters.