Last updated: January 18, 2025
Idrija, Slovenia, is characterized by a Cfb Köppen-Geiger climate classification, indicative of a temperate oceanic climate. This region experiences a remarkable temperature range, with winter lows plummeting to -17°C (2°F) in March, while summer peaks can soar to a sweltering 35°C (95°F) in June. Throughout the year, the average temperature settles around 11°C (52°F), reflecting the area's diverse and dynamic weather patterns, making Idrija a unique zone of climatic variation within Europe.
In Idrija, Slovenia, temperature patterns exhibit distinct seasonal trends, characterized by cold winters and warm summers. January and February are the coldest months, with minimum temperatures reaching as low as -17°C (2°F) in March, while average temperatures gradually rise from 1°C (34°F) in January to 6°C (42°F) in March. As spring unfolds in April and May, temperatures increase significantly, with April averaging 10°C (50°F) and May reaching 14°C (57°F), setting the stage for warmer days. The summer months of June, July, and August showcase the peak warmth, with maximum temperatures soaring to 35°C (95°F) in June, followed closely by July and August, maintaining averages around 20°C (69°F). As autumn arrives, temperatures begin to dip, with September experiencing a noticeable reduction to 16°C (60°F) on average, ultimately leading back into the colder months of October through December, which see a return to freezing temperatures and snow-covered landscapes, completing the annual climatic cycle in this enchanting region.
Idrija, Spodnja Idrija, and Godovic all experience similar temperature ranges, with minimums dropping to -17°C (2°F) in March and maximums reaching 35°C (95°F) in June. For more details, visit the links for monthly temperatures in Idrija, monthly temperatures in Spodnja Idrija, and monthly temperatures in Godovic.
Idrija, Slovenia, experiences a distinct precipitation pattern throughout the year, peaking in late spring and autumn. January marks the year with the lowest rainfall at 70 mm (2.8 in) over 7 days, while February sees a significant increase to 132 mm (5.2 in). The spring months continue this trend; March and April receive 103 mm (4.1 in) and 137 mm (5.4 in), respectively, laying the groundwork for May, which is the wettest month with 223 mm (8.8 in) falling over 21 days, showcasing the region's lush greenery during this season.
As summer transitions into autumn, precipitation levels remain substantial, with June, July, and August recording 128 mm (5.0 in), 137 mm (5.4 in), and 131 mm (5.2 in), respectively. The onset of fall brings renewed rainfall, as September delivers 194 mm (7.6 in), followed closely by October and November with 134 mm (5.3 in) and 193 mm (7.6 in), illustrating a pattern of consistent moisture throughout the months. December concludes the year with 169 mm (6.7 in), contributing to a climate that supports diverse ecosystems, while ensuring that Idrija remains a remarkably green and vibrant locale year-round.
In Idrija, Slovenia, sunshine duration exhibits a clear seasonal progression, with hours of sunlight steadily increasing as winter transitions into spring and summer. January begins the year with 180 hours of sunshine, but this figure rises significantly in February to 222 hours and continues to escalate through March and April, reaching 307 hours and 336 hours, respectively. The peak of sunshine occurs in the summer months, with June, July, and August basking in 409 hours, 426 hours, and 392 hours of sunlight. This summer abundance not only enriches the landscape but also enhances outdoor activities, making it a favored time for both locals and tourists.
As the year progresses into fall and winter, sunshine hours gradually decline, reflecting a seasonal shift. September still enjoys a substantial 317 hours of sunlight, but this drops sharply in October to 282 hours, followed by November and December with 215 hours and 206 hours. This downward trend emphasizes the return to shorter days, characteristic of Idrija’s winter months, reminding residents and visitors alike of the region's tranquil, cloudier days. Overall, Idrija's sunshine duration showcases the beauty of seasonal changes, where vibrant summers are contrasted by the serene stillness of winter.
The UV Index in Idrija, Slovenia, displays noteworthy seasonal variations, reflecting changes in sun intensity throughout the year. January and December experience the lowest UV Index levels, at 2, categorized as low, allowing for longer safe exposure times of 45 minutes. As winter progresses into early spring, the UV Index rises, reaching 3 in February and 5 in March, indicating a moderate level of exposure risk. From April onward, the UV Index escalates significantly as the days lengthen and the sun's intensity increases, peaking at 8 in May and later in the summer months.
During the height of summer in June and July, the UV Index maintains a very high rating of 9, reducing the safe burn time to just 15 minutes. Even August, while slightly lower at 8, still falls within the very high category. As autumn approaches, a gradual decline in UV Index is observed, with September reporting 7 and October dropping back to 5, both indicating moderate to high exposure categories. By late fall and winter, the UV Index diminishes again to moderate levels in November and low levels by December, emphasizing the importance of sun safety awareness throughout the year, particularly during the peak summer months when the risk of skin damage is considerably elevated.
UV Risk Categories
Daylight duration in Idrija, Slovenia, demonstrates a dynamic seasonal rhythm, with hours of light gradually increasing from winter to summer and then decreasing again toward winter. In January, the day lasts 9 hours, which extends to 10 hours in February and further increases to 11 hours by March as the winter progresses. This upward trend continues significantly into the spring, with April and May providing 13 hours and 14 hours of daylight, respectively, culminating in June, where residents bask in an impressive 15 hours of sunlight.
As summer transitions into fall, the daylight hours remain consistent, with July also offering 15 hours of sunlight. However, from August onward, a gradual decline begins, with daylight diminishing to 14 hours in August and tapering to 12 hours by September. This trend continues through October, reaching 10 hours, and subsequently drops to 9 hours in November and 8 hours in December. This fluctuation in daylight duration highlights the unique characteristics of Idrija's climate, influencing seasonal activities and the natural environment alike.
Crni Vrh, Slovenia experiences a continental climate characterized by cold winters and warm summers. January sees average temperatures near freezing, while July peaks at a warm average of 20°C (69°F). Precipitation is significant throughout the year, with May receiving the highest amount at 223 mm (8.8 in). The region enjoys considerable sunshine, particularly in the summer months, with July boasting 426 hours of sunlight. For more detailed information, visit Crni Vrh climate.
Godovic, Slovenia experiences a continental climate with cold winters and warm summers. January temperatures can drop to -12°C (11°F), while July sees averages around 20°C (69°F) and highs of 33°C (93°F). Precipitation peaks in May at 223 mm (8.8 in), contributing to a lush landscape, while sunshine hours reach a maximum of 426 in July. Overall, the region enjoys distinct seasonal variations, making it ideal for outdoor activities year-round. For more details, visit Godovic climate.
Idrija, Slovenia experiences a diverse climate characterized by cold winters and warm summers. January temperatures range from a chilly -12°C to a mild 10°C, while July enjoys a comfortable average of 20°C. Precipitation peaks in May at 223 mm, contributing to the lush surroundings, with over 400 hours of sunshine in the summer months, particularly June and July. The city sees a significant variation in both temperature and rainfall throughout the year, making it a unique destination for those interested in diverse weather patterns. For more insights, visit Idrija climate.
Spodnja Idrija, Slovenia experiences a continental climate characterized by cold winters and warm summers. January temperatures can drop to -12°C (11°F) with average highs around 1°C (34°F), while July boasts much warmer conditions with averages of 20°C (69°F) and maximums reaching 33°C (93°F). The region receives significant rainfall, particularly in May, which sees an average of 223 mm (8.8 in). Sunshine hours peak in the summer months, with July enjoying up to 426 hours of sunshine. For more detailed information, visit Spodnja Idrija climate.
In conclusion, the climate of Idrija, Slovenia, intricately weaves together diverse elements of temperature, precipitation, sunshine duration, UV Index, and daylight hours, each contributing to the region's unique environmental tapestry. The notable shifts from cold winters to warm summers create a vibrant seasonal cycle, supporting a rich variety of outdoor activities and natural beauty. As residents and visitors navigate these fluctuations, awareness of UV exposure, precipitation patterns, and daylight availability becomes essential for maximizing enjoyment and safety throughout the year. Ultimately, Idrija's climate not only enhances the quality of life for its inhabitants but also enriches the experiences of those drawn to its enchanting landscapes and cultural heritage.