Climate Insights for Kórinthos

The climate in Kórinthos is temperate. The average annual temperature is 18°C and approximately 437mm of precipitation falls per year. January is the wettest month, receiving around 65mm of rainfall. Kórinthos is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 7°C.

Temperatures in Kórinthos vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 7°C and an average of 9°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.

Kórinthos is a relatively dry area, receiving approximately 437mm of precipitation annually, which averages out to around 36mm per month. The wettest month is January, averaging 65mm of rainfall. December and March also tend to see above-average precipitation. The driest month is August, with just 5mm. That's 61mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Kórinthos is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

It is currently summer in Kórinthos, which began on June 21, 2026. Kórinthos is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 30°C, while the coldest stretch bottoms out in January near 7°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Kórinthos is during April, May, June, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 28mm per month. By contrast, July can be uncomfortably hot with highs reaching 30°C, while January is the coldest period with lows dropping to 7°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Kórinthos based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.