Last updated: January 18, 2025
Piran-Pirano, Slovenia experiences a Cfb climate characterized by a temperate oceanic climate with significant seasonal variations. The coldest month, January, sees temperatures plummet to a minimum of -3°C (27°F), while the warmest month, August, can peak at 30°C (87°F). With an average annual temperature of 16°C (61°F), the region boasts a moderate climate conducive to both vibrant biodiversity and a robust tourism sector, making it a dynamic destination year-round.
In Piran-Pirano, Slovenia, temperature patterns exhibit a clear seasonal progression marked by distinct phases throughout the year. The winter months, particularly January and February, are characterized by cold temperatures, with minimums often reaching -3°C (27°F), gradually rising by March as the average temperature climbs to 10°C (50°F). Spring sees a notable warming trend, highlighted by averages of 13°C (56°F) in April and 17°C (64°F) in May, before the summer months bring peak temperatures. June through August presents a warm climate, with July featuring an average high of 25°C (77°F), culminating in August's maximum of 30°C (87°F). As autumn arrives, temperatures begin to decline, with averages dropping to 13°C (56°F) in November and further to around 10°C (50°F) by December, heralding a return to winter conditions. This seasonal rhythm not only shapes the local climate but also influences the region's vibrant biodiversity and tourism activities throughout the year.
Piran, Strunjan, and Portoroz share similar climate patterns, with minimum temperatures dropping to -3°C (27°F) in January and peaking at 30°C (87°F) in August. For more detailed monthly temperatures in Piran, visit monthly temperatures in Piran, for Strunjan go to monthly temperatures in Strunjan, and for Portoroz check out monthly temperatures in Portoroz.
Piran-Pirano, Slovenia experiences a diverse precipitation pattern throughout the year, with notable peaks during the late autumn and early winter months. January starts relatively mild with 58 mm (2.3 in) of rainfall over an average of 7 days, while February sees a dramatic increase to 106 mm (4.2 in), making it one of the wettest months of the year. As spring approaches, precipitation levels remain substantial, particularly in May with 105 mm (4.2 in), and a marked variability is observed during the summer months, where rainfall decreases to 49 mm (1.9 in) in July—providing a brief respite before the return of wetter conditions in autumn.
The months of September and November are particularly notable for their high precipitation, recording 171 mm (6.7 in) and 183 mm (7.2 in) respectively. Alongside this, the frequency of rainy days peaks during late autumn and winter; November and December each see rainfall on approximately 13 days. This seasonal precipitation regime contributes to the lush landscapes surrounding Piran-Pirano and supports its Mediterranean climate, enhancing the region's natural beauty and agricultural viability throughout the year.
In Piran-Pirano, Slovenia, sunshine duration showcases a distinct seasonal trend, beginning with relatively low hours in the winter months. January records 182 hours of sunshine, which gradually increases to 223 hours in February, setting the stage for a brighter spring. March marks a significant upward trend with 315 hours, and by April, the region enjoys 344 hours of sunshine, while May further enhances this brightness with 372 hours. This steady rise in sunshine hours complements the warming temperatures, creating an inviting atmosphere as the landscape awakens from winter’s slumber.
The summer months are the highlight for sunshine in Piran-Pirano, with July peaking at an impressive 430 hours, making it the sunniest month of the year. August follows closely with 397 hours, sustaining the warm, bright conditions that encourage outdoor activities and tourism. As autumn sets in, sunshine hours begin to wane, with September seeing 326 hours and October declining to 293 hours. The trend continues into the winter months, where November and December yield only 229 hours and 207 hours respectively, as the region transitions back to the quieter, cooler days of winter. This cyclical pattern underscores the region's strong seasonal variations, making it a vibrant destination throughout the year.
In Piran-Pirano, Slovenia, the UV Index exhibits a pronounced seasonal variation, reflecting the changing intensity of sunlight throughout the year. In the winter months, January and December present a low UV Index of 2, resulting in a burn time of 45 minutes, indicating minimal risk for sunburn under typical conditions. As February arrives, the UV Index rises to 3, categorized as moderate, allowing for a shorter burn time of 30 minutes. The transition into spring is particularly notable, with March seeing a UV Index of 5 and April reaching 6, indicating higher exposure risk as outdoor activities increase with the warming weather.
The summer months are characterized by very high UV levels, peaking at 9 in both June and July, which necessitates a burn time of merely 15 minutes. This highlights the importance of sun protection during these months, where the risk of harm from ultraviolet rays is significantly elevated. Even in August, the UV Index remains high at 8, before tapering off to 7 in September as autumn approaches. As the season shifts, the UV Index gradually decreases, returning to moderate levels in October and November, and concluding the year with low levels once again in December. This seasonal pattern underscores the need for awareness and protective measures against UV exposure, particularly during the peak summer months.
UV Risk Categories
In Piran-Pirano, Slovenia, the duration of daylight undergoes a dynamic shift throughout the year, closely tracking the changing seasons. January begins with only 9 hours of daylight, gradually increasing to 10 hours in February and reaching 11 hours in March as spring approaches. The transition into spring is marked by a notable leap in daylight hours, with April providing 13 hours, and May further extending this to 14 hours. This increase heralds the onset of longer, sunnier days that become most pronounced during the summer months.
By June and July, Piran-Pirano enjoys the maximum daylight duration of 15 hours, creating ideal conditions for outdoor activities and extended tourism. However, as summer gives way to autumn, daylight hours begin to decline, with August seeing 14 hours and a gradual drop to 12 hours by September. The descent continues into October at 10 hours, before falling to 9 hours in November and dropping to its lowest point of 8 hours in December. This cyclical pattern not only influences the local climate but also impacts daily life and recreational opportunities, highlighting the significant role that daylight duration plays in the region's seasonal rhythm.
Piran, Slovenia experiences a Mediterranean climate characterized by mild winters and warm summers. Average temperatures range from a minimum of -3°C (27°F) in January to a maximum of 30°C (86°F) in July, with the warmest months being July and August. Precipitation is highest in September and November, with notable rainfall of 171 mm (6.7 in) and 183 mm (7.2 in) respectively, while summer months tend to be drier. The city enjoys ample sunshine, peaking at 430 hours in July, which contributes to its pleasant summer weather. For more detailed climate information, visit Piran climate.
Portorož, Slovenia, features a Mediterranean climate with mild winters and warm summers. Average temperatures range from 7°C in January to 26°C in August, with July often peaking at 30°C. Precipitation is highest in November (183 mm) and September (171 mm), while the summer months experience lower rainfall. The area enjoys ample sunshine, particularly in July with 430 hours, making it ideal for outdoor activities. For more details, visit Portoroz climate.
Secovlje, Slovenia experiences a diverse climate characterized by mild winters and warm summers. January and February see minimum temperatures around -3°C (27°F) and average highs of 13°C (56°F), while July and August boast average temperatures of 25°C (77°F) and 26°C (78°F) respectively. Precipitation varies throughout the year, with September and November receiving the highest rainfall, around 171 mm (6.7 in) and 183 mm (7.2 in). Sunshine is abundant in the summer months, peaking at 430 hours in July, which contributes to the area's warm climate. For more detailed information, visit Secovlje climate.
The climate in Strunjan, Slovenia features a mild Mediterranean atmosphere, characterized by warm summers and cool winters. Average temperatures range from a chilly 7°C (46°F) in January to a warm 26°C (78°F) in August. Precipitation peaks in November with 183 mm (7.2 in) and remains significant throughout the fall, while summer months are comparatively drier. Strunjan enjoys abundant sunshine, with July receiving the most hours at 430. For more detailed information, visit Strunjan climate.
In conclusion, the climatic conditions of Piran-Pirano, Slovenia, are characterized by a rich tapestry of temperature, precipitation, sunshine duration, UV Index, and daylight hours that together create a unique environment influenced by seasonal changes. The transition from the cold, shorter days of winter to the warm, sunlit summers not only shapes the natural landscape but also affects the lifestyle and activities of the region's residents and visitors. With distinct patterns emerging in sunshine and UV exposure during the peak summer months, it is crucial for outdoor enthusiasts to remain mindful of sun protection and the impact of seasonal variations. Overall, Piran-Pirano stands as a vibrant destination that thrives throughout the year, offering a beautiful balance of nature and culture amid its changing climate.