Piran Weather & Climate: Best Time to Visit

The climate in Piran is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in August to a chilly 10°C (50°F) in the coolest month, January.

Nights vary from 22°C (72°F) in August to around 5°C (41°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Piran has a notably wet climate with abundant precipitation, recording 1280 mm (50 in) of rainfall per year. The climate in Piran shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 179 mm (7 in) of precipitation over 13 rainy days.

In contrast, the driest month July offers drier and sunnier days, with around 55 mm (2.2 in) of rainfall over 11 rainy days. For more details, please visit our Piran 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, Piran serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.6 hours of sunshine daily, and embrace the darker days in December, offering only 3.2 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 moderate throughout the year in Piran.

The city experiences its highest humidity in January, reaching 67%. In July, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year