Kastaniá Weather & Climate: Best Time to Visit

Visitors to Kastaniá can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very warm 30°C (86°F) in July to a chilly 9°C (48°F) in the coolest month, January.

Nights vary from 17°C (63°F) in July to around -1°C (30°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Kastaniá is known for its substantial rain/snowfall, with annual precipitation reaching 1081 mm (43 in). The climate in Kastaniá shows significant variation throughout the year. Expect high rainfall in December, the wettest month, with an average of 134 mm (5.3 in) of precipitation over 13 rainy days.

In contrast, the driest month August offers drier and sunnier days, with around 37 mm (1.5 in) of rainfall over 5 rainy days. For more details, please visit our Kastaniá Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Kastaniá serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.2 hours of sunshine daily, and embrace the darker days in December, offering only 3.4 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Kastaniá.

The city experiences its highest humidity in December, reaching 83%. In July, the humidity drops to its lowest level at 46%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year