Koroni Temperature by Month
Koroni in Peloponnese, Greece sees significant seasonal temperature differences, with daytime highs between 15°C (59°F) in February and 29°C (84°F) in August, averaging 21°C (70°F) annually. Explore the full monthly breakdown below.
Koroni Monthly Temperatures
Visitors to Koroni will encounter a climate influenced by big temperature differences across the year. Nighttime temperatures range from 24°C (75°F) in August to 10°C (50°F) in February.
The chart below illustrates the average maximum day and minimum night temperatures in Koroni by month:
Daily lows are most common between 4 AM and 6 AM. By 3 PM temperatures reach their daily high, driven by peak solar heating.
The chart below shows the average temperature throughout the year:
Temperature: Koroni 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.
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Koroni vs World: Temperature Compared
Koroni's average annual maximum temperature is 21°C (70°F). To put that in context, here's how it compares to a few well-known destinations:
Barcelona, Spain has an annual average of around 21°C (70°F), with warm summers and mild, fairly short winters.
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.
Tokyo, Japan averages 21°C (70°F) a year, with hot summers, cool winters, and a well-defined cherry blossom spring.
What Does the Temperature Feel Like in Koroni?
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 Koroni, February is the coolest month, with average highs of 15°C (59°F) and humidity around 73% — considered high. In August, the warmest month, temperatures average 29°C (84°F) with 71% humidity — conditions that feel high. 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.
For cities and regions with significant elevation, altitude is one of the biggest factors shaping local temperatures. As a rule of thumb, temperatures fall by around 6°C for every 1,000 metres gained — so a city at 2,000 metres will typically be around 12°C cooler than a city at sea level in the same region. Higher ground also tends to see more dramatic day-to-night temperature swings, since thinner air loses heat faster after sunset.
For more on Koroni's weather — including monthly rainfall, sunshine hours, and humidity — visit our Koroni climate page.
