Last updated: August 27, 2025
In January, Piran, Slovenia experiences a blend of cool temperatures and elevated humidity levels that create a unique winter atmosphere. With a maximum temperature reaching 13°C (56°F), an average of 7°C (46°F), and occasional drops to a minimum of -3°C (27°F), the weather can vary significantly throughout the month. Rainfall is not uncommon, contributing approximately 58 mm (2.3 in) over 7 days, providing a refreshing contrast to the crisp air. The high humidity at 88% adds a chill to the environment, making it ideal for cozy indoor activities or scenic strolls through the picturesque coastal town.
In Piran, Slovenia, January ushers in the coldest temperatures of the year, with minimums dipping to a brisk -3°C (27°F). The month marks a transition as daytime highs reach up to 13°C (56°F), encouraging a shift from the winter chill toward slightly milder conditions. This gradual warming is evident as January's average temperature sits at 7°C (46°F), providing a preview of the coming spring. With highs remaining steady in February before a slow climb through March and April, it is clear that the region's winter is beginning to yield to the promise of warmer months ahead, setting the stage for Piran's vibrant outdoor life.
January in Piran, Slovenia, experiences moderate precipitation, with a total of 58 mm (2.3 in) spread across 7 days. This marks the start of the year with relatively low rainfall compared to the following month, February, which sees a notable surge to 106 mm (4.2 in). The trend suggests a gradual increase in precipitation leading into the late autumn and winter months, with November typically recording the highest amounts at 183 mm (7.2 in) over 13 days. Interestingly, despite the winter chill, January's precipitation remains manageable, clearing the way for crisp, sunny days in between rain showers, making it a unique time for visitors to explore Piran's picturesque beauty against a backdrop of atmospheric coastal weather.
In January, Piran, Slovenia experiences a notable humidity level of 88%, setting the stage for a generally damp winter atmosphere. This high humidity persists as the year begins, with February not far behind at 82%. However, as spring approaches, there's a gradual decline, with March and April both showcasing a more moderate 73%. By the time we reach summer, humidity dips further, teasing a dry season with July at 63% and August dropping to an even lower 51%. Yet, the trend shifts back to higher humidity levels as autumn rolls in, peaking again in October at 83% and returning to 88% by December, mirroring the January conditions. This cyclical pattern highlights Piran's humid climate, oscillating significantly between the driest and wettest months throughout the year.
In January, Piran experiences a low UV Index of 2, allowing outdoor enthusiasts to enjoy the winter scenery with relatively minimal sun exposure concerns—burn time is approximately 45 minutes. This sets the stage for a gradual increase in UV levels as the year progresses; by February, the index climbs to 3 and stays at moderate, signaling a shift towards more caution with a burn time of 30 minutes. The trend continues through the spring and summer months, peaking in June and July with a very high UV Index of 9—a stark contrast to the winter months. As autumn approaches, the UV Index begins to taper off, landing at 5 in October before returning to 2 by December. This annual cycle illustrates the changing intensity of UV radiation in Piran, emphasizing the importance of sun safety practices year-round. For more detailed information, visit the Piran UV Index.
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January may kick off the year with 182 hours of sunshine in Piran, Slovenia, but it sets the stage for a remarkable ascent into brighter days. As winter melts into spring, the sun's presence steadily increases, with February bringing 223 hours, followed by a significant jump to 315 hours in March. By April, the sunshine reaches 344 hours, paving the way for a lush and vibrant May, where the count soars to 372 hours. The sun keeps shining throughout the summer, peaking at 430 hours in July, before gracefully ebbing to 397 hours in August. As autumn approaches, daylight hours begin to wane, but the warmth of 326 hours in September and 293 hours in October remind us of the summer glow, while the year ends with a cozy 207 hours in December. This beautiful trend reflects Piran's charm, inviting visitors to bask in its evolving sunlight throughout the year.
In Piran, Slovenia, the likelihood of sunny weather in January stands at a moderate 31%, signaling the month as a typically overcast time of year. As winter lingers, sunlight becomes increasingly scarce, with only the promise of brighter days ahead. This trend is evident as February's chance of sun rises to 42%, hinting at the gradual shift toward spring. The transition continues into March and April, where the likelihood of sunshine leaps impressively to 65% and 46%, respectively. Overall, January serves as a reminder of the chilly and dim winter days, but it also sets the stage for the budding warmth and longer days that follow in the subsequent months.
In Piran, Slovenia, January ushers in 9 hours of daylight, marking the gradual transition from the deep winter months. As the calendar flips to February, daylight begins to extend, reaching 10 hours—a promising sign of the approaching spring. By March, the sun shines for 11 hours, inviting outdoor activities and a renewed sense of vibrancy. This trend continues into April with 13 hours, and by May, the days stretch to a delightful 14 hours, heralding the full bloom of nature. June and July bask in the longest daylight, holding steady at 15 hours, perfect for exploring the stunning coastal scenery. However, as summer wanes, August sees a gentle decline to 14 hours, followed by a further reduction to 12 hours in September. The descent continues into October and November, with daylight narrowing to 10 hours and then 9 hours respectively, before dipping to 8 hours in December, as the cycle starts anew. This rhythm of daylight not only defines the seasons but shapes the lifestyle and activities of the residents, making each month a unique experience.
January in Piran, Slovenia brings a gentle breeze with an average wind speed of 4.3 m/s (10 mph), setting the stage for a serene winter landscape. As the year unfolds, the winds tend to mellow, peaking in strength during the autumn months with 5.0 m/s in October and 5.2 m/s in November, creating a noticeable transition into the more turbulent winter. February and March experience a drop, averaging around 3.6 m/s and 3.5 m/s, reflecting a calm that envelopes the coastal town. As spring approaches, winds gradually strengthen again by April, hinting at a lively atmosphere. Overall, Piran's wind patterns illustrate a dynamic shift from the soft whispers of winter to the brisk energies of autumn, offering both tranquility and invigorating vitality throughout the year.
Weather in Piran varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Piran, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February display similar temperature ranges, with January averaging 7°C (46°F) and February slightly warmer at 8°C (47°F). Both months experience a minimum temperature of -3°C (27°F) and a maximum of 13°C (56°F). However, February sees significantly more precipitation, with 106 mm (4.2 in) over 11 days compared to January's 58 mm (2.3 in) over just 7 days. Additionally, humidity levels remain high, though slightly lower in February at 82% compared to January's 88%. For a detailed look at February weather, check out Piran weather in February.
In January, temperatures in Piran range from a minimum of -3°C (27°F) to a maximum of 13°C (56°F), with an average of 7°C (46°F). The month experiences approximately 58 mm (2.3 in) of precipitation over 7 days, and humidity is quite high at 88%. In contrast, March sees slightly warmer weather, with temperatures ranging from -3°C (27°F) to a maximum of 16°C (62°F) and an average of 10°C (50°F). Precipitation remains similar at 57 mm (2.3 in) over the same number of days, but humidity drops significantly to 73%. For more detailed information about weather conditions in March, you can check Piran weather in March.
January and April exhibit quite a contrast in weather conditions. During January, temperatures range from a chilly -3°C (27°F) to a mild 13°C (56°F), with an average of 7°C (46°F). The month is characterized by higher humidity levels at 88% and moderate precipitation of 58 mm (2.3 in) spread over approximately 7 days. In contrast, April brings warmer temperatures, with a minimum of 5°C (42°F), an average of 13°C (56°F), and a maximum of 20°C (68°F). Although it has slightly more precipitation at 86 mm (3.4 in) over about 8 days, the humidity drops to 73%, creating a more comfortable atmosphere. For a detailed look at typical conditions, visit Piran weather in April.
In January, Piran experiences a chilly climate with average temperatures ranging from a low of -3°C (27°F) to a high of 13°C (56°F). The month is characterized by high humidity at 88% and approximately 58 mm (2.3 in) of precipitation over about 7 days, making it a predominantly wet and cold period.
By contrast, May brings much warmer weather with temperatures varying from a minimum of 10°C (50°F) to a maximum of 24°C (76°F) and an average of 17°C (64°F). While precipitation increases to 105 mm (4.2 in) across 13 days, the humidity drops to 70%, resulting in a more comfortable and pleasant atmosphere. For more detailed weather insights, you can check Piran weather in May.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -3°C (27°F) to a mild maximum of 13°C (56°F) and an average of 7°C (46°F). The month experiences about 58 mm (2.3 in) of precipitation over approximately 7 days, coupled with high humidity levels at 88%. In stark contrast, June brings warmer conditions, with temperatures soaring from a minimum of 16°C (61°F) to a maximum of 30°C (86°F) and an average of 23°C (73°F). Although June has slightly higher precipitation at 68 mm (2.7 in), it falls over just 5 days and experiences a much lower humidity of 69%. For a detailed look at what to expect, check out Piran weather in June.
January and July present starkly contrasting weather conditions. In January, temperatures range from a chilly -3°C (27°F) to a mild 13°C (56°F), with an average around 7°C (46°F). The month also sees relatively high humidity at 88% and approximately 58 mm (2.3 inches) of precipitation over about 7 days. In contrast, July boasts much warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 29°C (85°F), averaging 25°C (77°F). Precipitation drops to 49 mm (1.9 inches) over just 6 days, and humidity decreases significantly to 63%. For more details on the delightful July weather, check out Piran weather in July.
January and August present starkly contrasting weather conditions. In January, temperatures range from a chilly -3°C (27°F) at their lowest to a mild 13°C (56°F) at their highest, with an average of 7°C (46°F). This month also sees a high humidity level of 88% and about 58 mm (2.3 in) of precipitation over seven days. In contrast, August boasts significantly warmer temperatures, with lows around 17°C (63°F) and highs reaching 30°C (87°F), averaging 26°C (78°F). Humidity drops to 51%, and precipitation remains consistent at 58 mm (2.3 in) but occurs over just six days. These differences make January feel much colder and wetter compared to the warm, drier days of August. For more details on August conditions, check out Piran weather in August.
January weather is characterized by cold temperatures, with minimums dropping to -3°C (27°F) and a maximum of only 13°C (56°F). The month also sees considerable humidity at 88% and experiences an average precipitation of 58 mm (2.3 in) over around 7 days. In contrast, September offers a much warmer climate, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 28°C (82°F), along with an average temperature of 22°C (71°F). Although it is warmer, September has higher precipitation at 171 mm (6.7 in) over 10 days, and humidity is significantly lower at 64%. For a detailed look at what to expect, check out Piran weather in September.
In January, the weather is considerably colder, with temperatures ranging from a chilly -3°C (27°F) to a milder 13°C (56°F), and an average temperature of around 7°C (46°F). This month also experiences higher humidity at 88%, contributing to the briskness of the air. Precipitation is moderate, with about 58 mm (2.3 in) falling over roughly 7 days.
In contrast, October showcases milder temperatures, with a minimum of 11°C (52°F) and a maximum reaching 23°C (73°F), resulting in a more comfortable average of 17°C (64°F). Although it is still a bit rainy, with 100 mm (4.0 in) of precipitation across 10 days, the lower humidity at 83% makes the rainfall feel less oppressive. For more details on what to expect, check out Piran weather in October.
In January, the weather is notably colder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 13°C (56°F), and an average of 7°C (46°F). This month experiences a fair amount of precipitation, totaling 58 mm (2.3 in) over about 7 days, coupled with high humidity at 88%. In contrast, November brings milder temperatures, with a minimum of 6°C (42°F) and a maximum of 19°C (67°F), averaging around 13°C (56°F). However, it also sees significantly more rainfall, with 183 mm (7.2 in) over 13 days and a humidity level of 89%. For more detailed insights on the weather during November, check out Piran weather in November.
January weather in Piran is significantly cooler than December, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 13°C (56°F), while December sees milder conditions with temperatures between 4°C (39°F) and 16°C (60°F). Additionally, January typically experiences less precipitation, with 58 mm (2.3 in) falling over about 7 days, compared to December's 150 mm (5.9 in) over 13 days. Both months share the same humidity level of 88%, but January's chill and reduced rainfall make it feel quite different from the wetter, more temperate December weather. For more details, you can check Piran weather in December.
As January settles over Piran, the weather takes a notable turn, ushering in cooler temperatures and increased humidity. With an average of 7°C and occasional dips to -3°C, this month stands in stark contrast to the milder summer months, making it a chilling time for locals and visitors alike. Moreover, January experiences a significant amount of precipitation, contributing to the lush landscapes that characterize the region. The 88% humidity adds to the crisp atmosphere, making it essential for travelers to dress warmly and embrace the moody coastal charm. For more insights into the weather patterns and how January fits into the year-round climate of this picturesque town, visit Piran Climate.