Last updated: August 27, 2025
January weather in Slovenia presents a captivating blend of cold and damp conditions, with maximum temperatures reaching 12°C (54°F) and an average low of 0°C (32°F). The minimum temperature can plunge to a frigid -18°C (0°F), emphasizing the wintry atmosphere. This month sees 39 mm (1.5 in) of precipitation over 6 days, contributing to a humidity level of 91%, which enhances the chill in the air. This combination of temperatures and moisture crafts a unique and crisp winter experience, making Slovenia a fascinating destination during January.
In January, Slovenia experiences a chilly embrace, with temperatures ranging from a brisk minimum of -18°C (0°F) to a mild maximum of 12°C (54°F). On average, the month hovers around 0°C (32°F), setting the stage for a winter wonderland that contrasts sharply with the upcoming months. As February arrives, the cold persists, but temperatures gradually rise, showcasing a minimum of -14°C (7°F) and peaking at 19°C (66°F) by the end of the month. This gradual warming trend continues into March, where the maximum climbs to 21°C (71°F), helping to melt away winter's grip. By April, the chill is further dissipated, with temperatures jumping to a pleasant 26°C (79°F) during the day, and May and June welcome even warmer breezes, reaching maximums of 28°C (83°F) and 34°C (93°F), respectively. This steady ascent in temperatures hints at the vibrant and comfortable summers Slovenia has to offer, culminating in the cozy warmth of July and August, where highs can soar up to 35°C (96°F). As the year progresses into fall, a gradual cooling returns, yet the stark differences in temperatures throughout the months reveal a dynamic climate that captivates all who visit.
In January, Slovenia experiences a relatively mild start to the year with 39 mm (1.5 in) of precipitation spread over approximately 6 days. This sets a foundation for the wetter months ahead, as February sees a significant increase in both rainfall and rain days. As spring approaches, precipitation levels rise sharply, peaking in May with a striking 150 mm (5.9 in) over 19 days. This trend of increasing moisture continues into the summer months, where July and August maintain high precipitation levels, suggesting a potential pattern of wetter weather during spring and summer while the winter remains relatively drier. Such variability in rainfall plays a crucial role in influencing Slovenia's lush landscapes and vibrant ecosystems throughout the year.
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, indicating that sunburn is unlikely with a burn time of about 45 minutes. As the month transitions into February, the UV Index rises to 3, marking a shift to moderate exposure, where the recommended burn time decreases to 30 minutes. This trend continues through March, reaching a UV Index of 5, suggesting a growing need for sun protection as spring approaches. Notably, April ushers in higher levels, with a UV Index of 6 and a reduced burn time of 25 minutes, as the sun becomes more potent. The most significant increases occur from May to July, where the UV Index peaks at 9, falling under the very high category, and burn times shrink dramatically to just 15 minutes. As summer gives way to autumn, the UV Index steadily declines, leading to a return to moderate levels by October and November, before dipping back to a low of 2 in December. This seasonal fluctuation highlights the importance of monitoring the UV Index throughout the year for safe sun practices. For more information, check out the detailed UV Index for Slovenia.
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January marks the beginning of a vibrant year in Slovenia, with 170 hours of sunshine that gradually set the stage for the months to come. As February transitions in with 210 hours of sun, the days begin to lengthen, heralding an energetic shift in the air. By March, sunshine soars to 299 hours, igniting a sense of anticipation as nature awakens from its winter slumber. The brilliance continues to crescendo through the spring, peaking in July with an impressive 414 hours, showcasing Slovenia at its sun-drenched best. As the year winds down, sunshine gradually retreats, culminating in December with 199 hours. This rhythmic cycle not only highlights Slovenia's climatic charm but also encourages exploration and adventure throughout the year, inviting visitors to bask in its diverse seasonal splendor.
In January, Slovenia experiences a modest chance of sunny weather, with only 26%, signaling the depths of winter where overcast skies are more prevalent. As the year progresses into February, this likelihood nearly doubles to 44%, hinting at a gradual transition towards brighter days. By March, the sun peeks through more frequently, boasting a 55% chance, marking the start of spring. Interestingly, while April and May witness a slight dip to 35% and 34% respectively, the trend towards sunnier weather continues into the summer months, with June offering a 51% chance and a peak in September at 50%. This overall trajectory underscores a gradual increase in sunny opportunities as the seasons change, enticing sun-seekers to plan their visits accordingly.
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.
In January, Slovenia experiences a gentle breeze with an average wind speed of just 1.7 m/s (4 mph), creating a serene atmosphere perfect for winter scenery. This calmness continues into March, where wind speeds hold steady at the same pace. As February arrives, the wind picks up slightly to 2.0 m/s (5 mph), hinting at a gradual increase that becomes more pronounced in April. Throughout the spring and summer months, wind speeds fluctuate slightly, remaining under 2.0 m/s, with August showing the slightest dip to 1.5 m/s (3 mph). Notably, a general trend emerges in late autumn as wind speeds regain consistency at around 1.6 to 1.8 m/s, suggesting a return to the gentle breezes of the New Year. This overall stability in wind patterns contributes to Slovenia's charm, offering a tranquil backdrop to its stunning landscapes.
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 present distinct weather patterns. In January, temperatures often plunge to a minimum of -18°C (0°F), averaging around 0°C (32°F) and peaking at 12°C (54°F). This month also experiences 39 mm (1.5 in) of precipitation over about 6 days, with a relatively high humidity of 91%. In contrast, February sees a milder climate with minimum temperatures around -14°C (7°F) and an average of 3°C (38°F), reaching a maximum of 19°C (66°F). Precipitation increases notably to 68 mm (2.7 in) over 8 days, while humidity decreases slightly to 87%. These shifts indicate a transition toward warmer, wetter conditions as winter progresses. For a detailed overview, you can refer to the weather in February.
January and March in this region exhibit notable differences in weather patterns. January temperatures range from a brisk -18°C (0°F) at their lowest to a comfortable 12°C (54°F) at their highest, with an average of 0°C (32°F). In contrast, March sees a significant warming trend, with temperatures fluctuating from -13°C (8°F) to a pleasant 21°C (71°F), and an average of 6°C (42°F). While January experiences about 39 mm (1.5 in) of precipitation over 6 days, March brings greater total precipitation of 60 mm (2.4 in) over 10 days. Additionally, January's humidity is higher at 91%, compared to March's 82%. For further details on March weather, you can visit weather in March.
January weather tends to be quite chilly, with temperatures ranging from a minimum of -18°C (0°F) to a maximum of 12°C (54°F), leading to an average of around 0°C (32°F). The month typically experiences around 39 mm (1.5 in) of precipitation over six days, accompanied by a high humidity level of 91%. In contrast, April ushers in a noticeable warming trend, with temperatures starting at a minimum of -10°C (14°F) and peaking at 26°C (79°F), yielding an average of 10°C (50°F). Precipitation increases to 94 mm (3.7 in) spread over 12 days, and humidity decreases to 79%. For a detailed look at what to expect during this month, check out the weather in April.
In January, the weather is characterized by extremely low temperatures, with a minimum of -18°C (0°F) and an average around freezing (0°C or 32°F). Snow is common, as indicated by the 39 mm of precipitation over roughly six days, combined with high humidity levels at 91%. In contrast, May brings a significant shift, with temperatures rising to a minimum of 0°C (32°F) and averaging 14°C (58°F), peaking at a warm 28°C (83°F). Additionally, May experiences much higher precipitation at 150 mm over 19 days, although the humidity is notably lower at 74%. For more details, visit the weather in May.
January and June present a stark contrast in weather patterns. In January, temperatures can drop as low as -18°C (0°F), with an average of 0°C (32°F) and maximums reaching only 12°C (54°F). The month experiences high humidity at 91% and sees approximately 39 mm (1.5 in) of precipitation over 6 days. In contrast, June offers a much milder climate, with temperatures ranging from a minimum of 5°C (42°F) to a comfortable average of 19°C (67°F), peaking at 34°C (93°F). This month is wetter, with a total of 89 mm (3.5 in) of precipitation spread over 14 days, but the humidity is significantly lower at 75%. For more detailed information, you can check the weather in June.
January and July present starkly contrasting weather conditions. In January, temperatures can plummet as low as -18°C (0°F), with an average of around 0°C (32°F) and occasional highs reaching up to 12°C (54°F). The month is characterized by high humidity levels of 91% and limited precipitation occurring over just six days, amounting to a total of 39 mm (1.5 in). In contrast, July features a much warmer climate, with minimum temperatures around 10°C (49°F) and average highs hitting 21°C (69°F), soaring up to 33°C (91°F) on particularly hot days. This summer month sees an increase in precipitation, totaling 132 mm (5.2 in) over 15 days, with humidity dropping to 74%. For more insights into the summer climate, check out the weather in July.
January and August present stark contrasts in weather patterns. In January, temperatures can plunge as low as -18°C (0°F), with an average temperature around freezing at 0°C (32°F) and a maximum of 12°C (54°F). The month experiences significant humidity at 91% and typically sees 39 mm of precipitation over about six days. In contrast, August boasts a much milder climate, with temperatures ranging from a minimum of 7°C (45°F) to a scorching maximum of 35°C (96°F), resulting in an average temperature of 21°C (69°F). However, August also experiences higher rainfall, totaling 114 mm over approximately 14 days, accompanied by lower humidity at 68%. For more information, you can check the weather in August.
January and September exhibit stark contrasts in weather patterns. January is characterized by frigid temperatures, with a minimum plunge of -18°C (0°F) and an average of just 0°C (32°F), while September enjoys a mild climate with temperatures ranging from a minimum of 1°C (34°F) to a pleasant average of 15°C (60°F) and highs reaching up to 29°C (85°F). In terms of precipitation, January sees a modest 39 mm (1.5 in) over about 6 days, whereas September experiences significantly more rainfall, totaling 134 mm (5.3 in) across 13 days. Additionally, January's humidity is notably higher at 91%, compared to September's more comfortable 74%. For more detailed information on the weather in September, you can check out weather in September.
The weather in January starkly contrasts with that of October. January is characterized by frigid temperatures, reaching as low as -18°C (0°F) and averaging around 0°C (32°F), while October enjoys milder conditions, with temperatures ranging from a minimum of -1°C (30°F) to a comfortable maximum of 23°C (74°F). In terms of precipitation, October is wetter, experiencing 76 mm (3.0 in) over 9 days compared to January's 39 mm (1.5 in) across 6 days. Additionally, January's higher humidity at 91% gives it a particularly cold and damp feel, whereas October's 88% humidity, though still high, feels less intense, making the autumn months more pleasant. For more detailed insights, check out the weather in October.
January weather is considerably colder than November, with average temperatures hovering around 0°C (32°F) compared to November's milder average of 6°C (43°F). In January, temperatures can plummet as low as -18°C (0°F), while November experiences a minimum of -7°C (20°F). Additionally, January sees less precipitation, totaling 39 mm (1.5 in) over approximately six days, in contrast to November's higher precipitation of 108 mm (4.2 in) spread over ten days. Despite the slight difference in humidity, with January at 91% and November at 90%, the overall climate in January feels much colder and drier. For more insights on November's weather, visit weather in November.
In December, temperatures are slightly milder with an average of 1°C (35°F) compared to January's average of 0°C (32°F). December also sees a higher maximum temperature of 14°C (58°F), while January's peak reaches only 12°C (54°F). Precipitation is notably heavier in December, totaling 94 mm (3.7 in) over 9 days, compared to January's 39 mm (1.5 in) across 6 days. However, both months maintain high humidity levels, with January at 91% and December at 89%. For more details, check the weather in December.
January stands out as a distinctive month in terms of weather, with its chilly embrace and notably high humidity levels. Unlike the milder and drier conditions of many other months, January showcases the full force of winter, often resulting in temperatures that can dip well below freezing. The modest amount of precipitation, primarily falling over just a handful of days, adds to the seasonal atmosphere, while the low average temperature contrasts sharply with the more temperate months that follow. For those curious about how these trends fit into the broader climate patterns, further insights can be found Climate.