Agia Ermioni Climate by Month
Agia Ermioni experiences great temperature shifts.
The city's weather can transition from very warm days
to mild weather.
It receives a reasonable amount of rainfall.
Let’s explore the climate details in depth to provide you with a complete overview.
Average day and night temperature
The climate in Agia Ermioni is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very warm 30°C in August. In January, the coolest month of the year, temperatures drop to a moderate 14°C. At night, expect cooler temperatures, averaging 10°C during this month.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Agia Ermioni receives mid-range precipitation levels, with 609 mm annually. Agia Ermioni can be quite wet during December, receiving approximately 122 mm of precipitation over 12 rainy days. In contrast July, experiences much drier conditions, with 0.6 mm of rainfall, spread across 6 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Average water temperature
The mean water temperature over the year in Agia Ermioni ranges from 15°C in January to 24°C in July.
Water temperature over the year
Average humidity
The relative humidity is low throughout the year in Agia Ermioni.
Relative humidity over the year
The best time of year to visit Agia Ermioni in Greece
During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
Yes, the months of May, June, July, August and September are very dry.
August has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 14°C.
December tops the wettest month list with 122 mm of rainfall.
August is the driest month with 1 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
