Erétria Temperature by Month
Erétria in Central Greece, Greece sees significant seasonal temperature differences, with daytime highs between 13°C (55°F) in January and 32°C (90°F) in July, averaging 23°C (73°F) annually. Explore the full monthly breakdown below.
Erétria Monthly Temperatures
In Erétria, temperatures can shift dramatically between very warm in summer and mild in winter. Nights follow the same pattern, with lows ranging from 22°C (72°F) in July to 5°C (41°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Erétria by month:
Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM. July, the city's warmest month, sees 364 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Erétria vs Greece
The map below shows the annual temperature across Greece. You can also select individual months if you want to compare a specific time of year.
very warm
warm
pleasant
moderate
cold
very cold
Erétria vs World: Temperature Compared
Erétria's average annual maximum temperature is 23°C (73°F). To put that in context, here's how it compares to a few well-known destinations:
Lisbon, Portugal averages 21°C (70°F) annually — warm summers, mild winters, and rain mainly in the cooler months.
Reykjavík, Iceland averages 9°C (48°F) a year — mild summers by Icelandic standards, but cold winters and frequent wind.
Boston, USA averages 16°C (61°F) annually, with four distinct seasons and cold winters that rival northern Europe.
Perth, Australia averages 25°C (77°F) annually, with a classic Mediterranean climate — hot dry summers and mild wet winters.
What Does the Temperature Feel Like in Erétria?
Temperature alone doesn't tell the whole story — humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.
In Erétria, January is the coolest month, with average highs of 13°C (55°F) and humidity around 72% — considered high. In July, the warmest month, temperatures average 32°C (90°F) with 43% humidity — conditions that feel moderate. For a full picture, see our humidity page.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Erétria this rarely lasts long on the ground.
For more on Erétria's weather — including monthly rainfall, sunshine hours, and humidity — visit our Erétria climate page.
