Ermioni Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ermioni.
Climate overview of Ermioni
Temperatures in Ermioni, Peloponnese, Greece, vary greatly throughout the year. August is the hottest month at 31°C (88°F), while January is the coldest at 14°C (57°F).
Rainfall is modest, totalling around 385 mm (15 in) annually. The city experiences a distinct dry season from April to October, with very warm summers and mild winters. December tends to be the wettest month. The most sunshine falls in July, with an average of 12.1 hours of daily sunshine.
Ermioni Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ermioni - and find the best time to visit.
Monthly Temperature in Ermioni
The climate in Ermioni is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 31°C (88°F) in August, the warmest time of the year, to a moderate 14°C (57°F) during cooler months like January.
At night, you can expect temperatures ranging from 25°C (77°F) in August to around 10°C (50°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ermioni
Ermioni has a relatively dry climate with low precipitation, averaging 385 mm (15 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 65 mm (2.6 in) of precipitation, recorded across 11 rainy days. In contrast, the driest month July brings less rainfall, with 3.1 mm (0.1 in) over a single rainy day. For more details, please visit our Ermioni 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 Ermioni
Seasonal changes in sunshine hours are quite dramatic in Ermioni. While July receives considerable daily sunshine with up to 12.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Ermioni by Month
The relative humidity is high throughout the year in Ermioni.
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.
Relative humidity over the year
Best Time to Visit Ermioni
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 Ermioni
What is the best time to visit Ermioni?
April, May, June, September, October and November typically offer the most optimal weather in Ermioni. In contrast, January, February, March and December tend to have less optimal conditions. Ermioni has a distinct dry season from April to October, with very warm summers and mild winters.
What temperatures can I expect in Ermioni?
Daytime highs range from 14°C (57°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 Ermioni get?
Annual rainfall is around 385 mm (15 in). December is the wettest month with 65 mm (2.6 in), while July is the driest with 3.1 mm (0.1 in).
How sunny is Ermioni?
Ermioni 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, Ermioni enjoys abundant sunshine.
Ermioni 3-Day Forecast
Ermioni on the map
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