Last updated: August 27, 2025
In January, Slovenia experiences a chilly embrace, with temperatures ranging from a maximum of 8°C (47°F) to a frigid minimum of -14°C (7°F), accompanied by an average of -2°C (29°F). This winter month sees 65 mm (2.6 in) of precipitation over 6 days, creating a damp, crisp atmosphere enhanced by high humidity levels of 91%. Whether it’s the serene beauty of snow-covered landscapes or the cozy charm of local winter festivities, January in Slovenia offers a unique blend of cold and captivating scenery that invites exploration.
January in Slovenia marks a deep winter, with temperatures ranging from a brisk -14°C (7°F) at night to a mild 8°C (47°F) during the day. The average temperature hovers around -2°C (29°F), creating a cold yet enchanting atmosphere across the snowy landscapes. As the month progresses, a subtle warming trend begins to emerge, hinting at the transition into February, where temperatures dip slightly lower but later rise significantly by March. This shift not only highlights the dynamic climate of Slovenia but also sets the stage for the gradual arrival of spring, offering a beautiful contrast between the stark winter chill and the budding warmth of the months to follow.
January in Slovenia sees a relatively modest precipitation amount of 65 mm (2.6 in), making it one of the driest months of the year. With only about six rainy days, this trend highlights a sharp contrast to the wetter spring and summer months ahead. Following January, precipitation levels steadily rise, reaching their peak in May with a significant 219 mm (8.6 in) and 23 rainy days. This upward trajectory emphasizes a seasonal shift, with late spring and summer months experiencing more frequent and heavy rainfall, likely contributing to Slovenia's lush landscapes. As the year progresses, precipitation remains robust, particularly in the autumn and winter months, where levels often exceed those seen in January.
In Slovenia, January marks the peak of humidity, with levels reaching an impressive 91%. This high moisture content sets the stage for a winter landscape, enveloped in a cool, crisp atmosphere. As the months progress, humidity gradually decreases, dipping to 87% in February and further to 82% in March. By April, the air feels slightly drier at 79%, continuing a downward trend through the spring months. As summer arrives, humidity stabilizes around 74% from June to July, before dipping to its annual low of 68% in August. However, as autumn approaches, the humidity begins to creep back up, starting with 74% in September and soaring to 90% in November, culminating in a 88% reading in October. This cyclical pattern of high humidity in winter and lower levels in summer beautifully illustrates Slovenia's evolving climate throughout the year.
In January, Slovenia experiences a low UV Index of 2, making it a relatively safe month for outdoor activities, with an average burn time of 45 minutes before skin damage occurs. As the year progresses into February, the UV Index rises to 4, indicating moderate exposure risk and a shorter burn time of 30 minutes. This upward trend continues, peaking in the summer months with a very high UV Index of 9 in both June and July, where the burn time drops dramatically to just 15 minutes. Fortunately, as autumn approaches, the UV Index decreases, ranging from moderate to low in the following months. For detailed insights on UV exposure throughout the year, check out the full UV Index to help you plan your outdoor activities wisely.
UV Risk Categories
As January unfolds in Slovenia, the skies offer a modest 184 hours of sunshine, setting a tranquil tone for the start of the year. This gentle brightness gradually increases, reaching a promising 223 hours in February, and continues to climb steadily through the spring months. By April, the sunshine hours leap to 325, and May basks in 349 hours, paving the way for the splendid summer ahead. This upward trend peaks in July with an impressive 409 hours of radiant sunshine, affirming Slovenia's allure as a summer destination. However, as autumn approaches, the daylight begins to wane, with September witnessing 305 hours before settling into a more subdued rhythm in the later months. Overall, the progression of sunshine hours not only highlights Slovenia's seasonal beauty but also reflects a warming embrace as the country transitions from the chill of winter to the vibrancy of summer.
In January, Slovenia experiences a modest 30% chance of sunny weather, marking the beginning of the year with somewhat overcast skies. This percentage is the lowest in the winter months, though it gradually increases to 41% in February and 53% in March, reflecting the transition toward brighter days as spring approaches. Interestingly, the likelihood of sunshine fluctuates in the following months, peaking in March and then dipping again to 33% in April and 28% in May. As summer unfolds, the sun makes a more frequent appearance, with June to August showcasing a stronger average of around 43%. This trend illustrates the seasonal shift in Slovenia’s weather, where early winter gloom gives way to sunnier days as the year progresses.
In Slovenia, January heralds the chilly depths of winter with just 9 hours of daylight, a stark contrast to the longer days ahead. As the year progresses into February, daylight begins its gradual ascent to 10 hours, lifting spirits with a promise of warmer, brighter days. This trend continues through March and April, where daylight reaches 11 and 13 hours, respectively, signaling the vibrant awakening of spring. By May and June, the sun bathes the landscape in 14 and 15 hours of light, perfect for outdoor adventures. Interestingly, this peak daylight duration of 15 hours extends into July but begins to wane in August, cascading down to 14 hours. The days gradually shorten as autumn approaches, with 12 hours in September, before dipping back to 10 hours in October. As winter circles back, November and December offer just 9 and 8 hours of daylight, encapsulating the cyclical rhythm of nature in this enchanting region.
January in Slovenia greets visitors with a gentle breeze, boasting an average wind speed of 1.5 m/s (3 mph). This calmness sets the tone for the month, indicating that winter's chill can be enjoyed without the disruptive gusts typical of harsher climates. As the year progresses, wind speeds gradually increase, peaking in October at 1.9 m/s (4 mph) before tapering off again. Both February and March exhibit a slight upward trend, with speeds reaching 1.6 m/s (4 mph) and 1.7 m/s (4 mph) respectively, hinting at the arrival of spring. Interestingly, summer remains relatively stable, with speeds around 1.5 to 1.6 m/s (3 to 4 mph). This delicate ebb and flow of the wind notonly enhances Slovenia's charm but also invites its inhabitants and visitors alike to revel in the serene beauty of its landscapes, regardless of the season.
Weather in varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in , focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February showcase distinct weather patterns, with February typically being slightly milder despite its colder minimum temperatures. In January, the average temperature hovers around -2°C (29°F), ranging from a low of -14°C (7°F) to a high of 8°C (47°F), accompanied by 65 mm (2.6 in) of precipitation over 6 days and high humidity at 91%. In contrast, February experiences a rise in average temperature to 1°C (34°F), with a maximum reaching 16°C (62°F), yet it also sees increased precipitation at 122 mm (4.8 in) spread over 9 days, and a slightly lower humidity level of 87%. Overall, while February can feel warmer due to higher maximum temperatures, it brings more rain and slightly lower humidity compared to January. For more details on the weather, check out weather in February.
In January, temperatures in Bohinj range from a low of -14°C (7°F) to a high of 8°C (47°F), with an average temperature of -2°C (29°F). The month experiences relatively high humidity at 91%, along with about 65 mm (2.6 in) of precipitation over six days. In contrast, March brings milder conditions, with temperatures ranging from a minimum of -17°C (2°F) to a maximum of 20°C (68°F) and an average of 4°C (39°F). However, March is wetter, seeing approximately 113 mm (4.5 in) of precipitation over 11 days, and humidity decreases slightly to 82%. For more detailed information, you can check the weather in March.
In January, the weather is notably cold, with minimum temperatures plunging to -14°C (7°F) and averaging around -2°C (29°F). The month experiences an average of 65 mm (2.6 in) of precipitation spread over six days, coupled with high humidity levels at 91%.
In contrast, April marks a significant shift in conditions, where the temperatures rise considerably, with minimums around -10°C (15°F) and an average of 8°C (47°F), peaking at a warm 24°C (76°F). Additionally, precipitation increases to 155 mm (6.1 in) over 14 days, and humidity decreases to a more comfortable 79%. For a detailed look at April's conditions, you can check the weather in April.
In January, the weather is cold and crisp, with temperatures ranging from a frigid -14°C (7°F) at their lowest to a modest 8°C (47°F) at their highest. The month sees an average temperature of -2°C (29°F) and experiences significant humidity at 91%, along with 65 mm (2.6 in) of precipitation over about 6 days. In stark contrast, May brings a vibrant warmth with temperatures ranging from a low of -1°C (31°F) to a high of 24°C (75°F), averaging 13°C (55°F). This month is noted for its increased precipitation, measuring 219 mm (8.6 in) across 23 days, yet the humidity drops to a more comfortable 74%. For more details on the conditions, visit weather in May.
In January, the weather is notably cold, with temperatures ranging from a chilling minimum of -14°C (7°F) to a slightly warmer maximum of 8°C (47°F), and an average temperature of -2°C (29°F). The month experiences 65 mm (2.6 in) of precipitation over approximately 6 days, combined with high humidity levels at 91%. In contrast, June brings a significant shift in climate, boasting a minimum temperature of 4°C (39°F) and soaring to a maximum of 33°C (92°F), with an average temperature of 18°C (64°F). However, June also sees increased precipitation at 143 mm (5.6 in) spread across 17 days, though with lower humidity at 75%. For more detailed information, you can check the weather in June.
January and July present markedly different weather patterns. In January, temperatures can plummet as low as -14°C (7°F), with an average of -2°C (29°F) and a maximum of 8°C (47°F), accompanied by high humidity at 91%. During this winter month, precipitation is moderate at 65 mm (2.6 in) over approximately 6 days, contributing to a chilly and damp atmosphere.
In contrast, July enjoys much milder temperatures, ranging from a minimum of 9°C (48°F) to a warm maximum of 30°C (87°F) with an average temperature of 19°C (66°F). The summer month sees increased precipitation, totaling 163 mm (6.4 in) across 19 days, but with significantly lower humidity at 74%. These conditions create a stark contrast to the winter chill, making July a more vibrant and inviting time of year. For more details on the weather in July, check out this link.
In January, the weather is quite harsh, with temperatures ranging from a chilling -14°C (7°F) to a slightly milder 8°C (47°F), and an average of -2°C (29°F). The month sees about 65 mm (2.6 in) of precipitation over approximately 6 days, contributing to the high humidity level of 91%.
In stark contrast, August offers a warm respite, featuring temperatures that range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 19°C (67°F). This month is considerably wetter, with total precipitation reaching 172 mm (6.8 in) across 17 days, but the humidity is much lower at 68%. For a detailed overview, you can check the weather in August.
January and September present striking contrasts in weather conditions. In January, temperatures can plunge as low as -14°C (7°F), averaging around -2°C (29°F), with a maximum reaching 8°C (47°F). This month experiences significant humidity at 91%, with 65 mm (2.6 in) of precipitation over approximately 6 days. In contrast, September showcases milder weather, with temperatures ranging from a minimum of 0°C (33°F) to a warm average of 14°C (58°F), peaking at 26°C (78°F). Precipitation increases notably to 189 mm (7.4 in) spread over 15 days, and the humidity drops to 74%. For a detailed look at the weather specifics, check out weather in September.
January and October present stark contrasts in weather conditions. In January, temperatures plunge to a minimum of -14°C (7°F), averaging around -2°C (29°F) and peaking at a maximum of 8°C (47°F). The month sees about 65 mm (2.6 in) of precipitation over approximately 6 days, with high humidity levels reaching 91%. In comparison, October experiences milder temperatures with a minimum of -2°C (29°F), an average of 10°C (50°F), and a maximum of 21°C (71°F). This month also receives significantly higher precipitation, totaling 143 mm (5.6 in) over 11 days, but with slightly lower humidity at 88%. For more insights into the weather patterns, you can explore the details of the weather in October.
In comparing the weather in January and November, one can observe notable differences in temperature and precipitation. January experiences much colder temperatures, with minimums dipping to -14°C (7°F) and an average around -2°C (29°F), while November sees milder conditions with averages reaching 5°C (41°F) and maximums of up to 16°C (62°F). Additionally, November is characterized by significantly higher precipitation, totaling 200 mm (7.9 in) over 12 days, compared to January's 65 mm (2.6 in) spread over just 6 days. Both months have high humidity levels, with January at 91% and November slightly lower at 90%. For more detailed information, you can check the weather in November.
January and December share frigid temperatures, with both months experiencing a minimum of -14°C (7°F). However, January tends to be slightly cooler on average, with a mean temperature of -2°C (29°F) compared to December's average of 0°C (32°F). In terms of maximum temperatures, January reaches up to 8°C (47°F), whereas December can be milder with highs of 11°C (51°F). Precipitation is notably heavier in December, totaling 179 mm (7.0 in) over 10 days, compared to January's 65 mm (2.6 in) across just 6 days. Humidity levels are quite similar, with January at 91% and December slightly lower at 89%. For more detailed information, you can refer to the weather in December.
January in Bohinj presents a distinct contrast to the other months, as it bathes the landscape in a frosty embrace with temperatures dipping to remarkable lows and an atmosphere steeped in high humidity. The month stands out not just for its chilly average temperatures that hover around freezing, but also for the occasional bursts of snowfall that contribute to its notable 65 mm of precipitation over just a few days. This makes January a time for cozy indoor activities or thrilling winter sports, inviting both adventure seekers and those yearning for tranquility to appreciate its unique charm. For an in-depth look at how this month fits into the broader climatic narrative, explore our comprehensive Climate section.