Last updated: August 27, 2025
January in Slovenia presents a chilly tapestry of winter weather, where temperatures can fluctuate dramatically. Daily highs reach a comfortable 14°C (57°F), while chilly nights can plummet to a brisk -17°C (1°F), resulting in an average temperature of around 0°C (33°F). This month also brings about occasional precipitation, with 34 mm (1.3 in) falling over approximately 6 days, creating a crisp atmosphere with high humidity levels hovering at 90%. Travelers and residents alike can expect a true winter experience, showcasing Slovenia's enchanting landscapes cloaked in snow.
In January, Slovenia experiences a chilly embrace, with temperatures diving as low as -17°C (1°F), while peaking at a milder 14°C (57°F). The average temperature hovers around the freezing point at 0°C (33°F), setting the scene for a winter wonderland. As the month transitions into February, the cold subsides slightly, with minimums rising to -12°C (11°F) and maximums climbing to 20°C (68°F), illustrating a gradual warming trend that continues into spring. By March, the country still grapples with freezing lows of -18°C (0°F), but daytime highs flirt with the warmer temperatures of 22°C (72°F). Progressively, April ushers in a more substantial shift, boasting averages of 11°C (52°F) and max temps reaching 27°C (81°F), marking the clear onset of the milder seasons. This subtle transformation from the harsh winter chill to the budding warmth offers a glimpse of Slovenia's dynamic climate as it transitions into a vibrant spring.
In January, Slovenia experiences relatively low precipitation, with an average of 34 mm (1.3 in) over approximately 6 days of rain. This marks a stark contrast to the wetter months that follow; February sees a significant increase to 58 mm (2.3 in), while March maintains a similar pattern with 52 mm (2.1 in). As spring approaches, precipitation continues to rise, peaking in May at a notable 138 mm (5.4 in). The trend indicates that, while January is characteristically drier, the onset of spring ushers in a steady increase in rainfall, culminating in particularly wet autumn months, particularly September, where precipitation reaches 145 mm (5.7 in). This cyclical pattern highlights Slovenia's transition from the tranquil chill of winter to the lush vitality of spring and early summer.
In January, Slovenia experiences a notable humidity level of 90%, setting the stage for a winter that feels both crisp and damp. As the year progresses, humidity gradually decreases, reaching 84% in February and 78% in March, hinting at the gradual transition towards spring. The trend continues, with humidity dropping to 73% by April and stabilizing around 71% in May. The summer months bring a further decline, with July and August witnessing lower humidity levels of 70% and 60%, respectively, offering a welcome relief. However, as autumn approaches, the humidity begins to rise again, climbing back to 84% in October and spiking to 89% in November and December, reflecting the cycle of the seasons in this beautiful region. Overall, January acts as the peak of humidity, but the fluctuating trends throughout the year illustrate Slovenia's dynamic climate.
In January, Slovenia experiences a UV Index of 2, indicating a low exposure category. With a burn time of 45 minutes, it's a great month for enjoying the outdoors with minimal concern for UV damage. However, as winter transitions into spring, the UV levels begin to rise. By February, the index increases to 3, prompting a moderate caution for UV exposure, and by March, it escalates to 5. This trend continues, peaking in the summer months of June and July, where the UV Index reaches a striking 9, categorized as very high, reducing safe sun exposure time significantly to just 15 minutes. As the year progresses into autumn, values gradually decline, easing back to moderate in October and November, before returning to a low index of 2 in December. For detailed information, check the UV Index in Slovenia to stay informed and protected throughout the year.
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In January, Slovenia enjoys 164 hours of sunshine, setting the stage for a gradual increase as winter gives way to spring. As February arrives, sunlight blooms to 218 hours, hinting at the warmer days to come. This upward trend accelerates into March with 300 hours, showcasing the country slowly shaking off the winter chill. The sun continues to shine brighter through April and May, peaking at a delightful 363 hours as blooming flowers and longer days invigorate the landscape. As summer approaches, June and July boast impressive totals of 401 and 422 hours, respectively, making these months the sunniest of the year. Although August sees a slight dip to 388 hours, sunshine remains abundant before the season shifts again. As autumn settles in, September retains 318 hours, while October and November experience a decline, wrapping up the year with 284 and 199 hours. December closes out with 203 hours, reflecting the enduring charm of Slovenia's varied seasons, each with its own unique character under the sun.
In January, Slovenia experiences a modest 29% chance of sunny weather, setting the stage for a wintry landscape often shrouded in clouds. This relatively low likelihood of sunshine is soon offset by an increase in February when the chances rise to 50%, heralding the gradual shift towards spring. As the year progresses, the chance of sunny days peaks in March and September at 54%, while the summer months also show promising levels, with June hitting 53%. Overall, the trend reveals a dynamic transition from the subdued sunshine of winter to a more vibrant sunlit display as the seasons change.
In Slovenia, January heralds the year with approximately 9 hours of daylight, marking one of the shortest days as winter grips the landscape. However, as the month transitions to February, daylight gradually increases to 10 hours, hinting at the arrival of spring. This upward trend continues into March with 11 hours, providing a glimpse of longer days ahead. By the time April arrives, daylight extends to 13 hours, and May blooms brightly with 15 hours of sunshine, a peak that remains consistent through June and July. As summer fades, August sees a slight reduction in daylight to 14 hours, and the gradual retreat continues into September with 12 hours. By October, daylight shrinks back to 10 hours, before settling at 9 hours again in November and further diminishing to 8 hours in December. This cyclical pattern highlights Slovenia's vibrant seasonal changes, emphasizing the growing light of spring and summer, followed by the cozy embrace of winter's shorter days.
In January, Slovenia experiences a gentle breeze with an average wind speed of 2.4 m/s (5 mph), setting the tone for the winter months. This wind pattern remains consistent into February, maintaining the same brisk pace, before tapering slightly in March to 2.3 m/s (5 mph). As spring approaches, there's a modest increase in wind speeds, peaking at 2.6 m/s (6 mph) in both April and May, which brings a refreshing vitality to the landscape. However, the summer sees a drop in wind activity, with speeds decreasing to 1.7 m/s (4 mph) in August and September. The cycle resumes in October, with wind speeds back to 2.4 m/s (5 mph), only to slow down again as the year closes, highlighting a common trend of seasonal fluctuations in Slovenia's wind patterns. Overall, the winds whisper stories of change as they transition from winter's chill to the placid warmth of summer.
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 often presents a chilly backdrop with temperatures ranging from a minimum of -17°C (1°F) to a maximum of 14°C (57°F) and an average of 0°C (33°F). Humidity is quite high at 90%, and residents can expect about 34 mm (1.3 in) of precipitation over approximately 6 days. In comparison, February brings a slight warming trend, with temperatures dipping only to -12°C (11°F) and peaking at a comfortable 20°C (68°F), leading to an average of 4°C (39°F). Precipitation increases to 58 mm (2.3 in) across 9 days, coupled with a slightly lower humidity level of 84%. For more insights about February weather, check out weather in February.
In January, the weather is quite cold, with temperatures ranging from a frigid -17°C (1°F) to a maximum of 14°C (57°F), averaging around 0°C (33°F). The month sees about 34 mm (1.3 in) of precipitation over six days, accompanied by high humidity levels at 90%.
In contrast, March experiences a more moderate climate, with temperatures dipping slightly lower to a minimum of -18°C (0°F) yet reaching a warmer maximum of 22°C (72°F), yielding an average temperature of 6°C (43°F). Precipitation increases to 52 mm (2.1 in) over nine days, while humidity decreases to 78%. For more detailed insights, you can check the weather in March.
In January, the weather is characterized by frigid temperatures, with a minimum of -17°C (1°F), an average of 0°C (33°F), and a maximum of 14°C (57°F). This month also sees significant humidity at 90% and a total precipitation of 34 mm (1.3 in) spread across six days. In contrast, April experiences a noticeable warming trend, with temperatures ranging from a minimum of -7°C (19°F) to a pleasant maximum of 27°C (81°F) and an average of 11°C (52°F). Although April brings more precipitation at 72 mm (2.9 in) over 11 days, the humidity drops to a more comfortable 73%. For more detailed information, you can check the weather in April.
January weather is characterized by cold temperatures, with lows reaching -17°C (1°F) and an average of 0°C (33°F). The month sees limited precipitation, totaling 34 mm (1.3 in) over six days, while humidity is notably high at 90%. In contrast, May brings a much warmer climate, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 31°C (88°F), resulting in an average of 15°C (59°F). May is also significantly wetter, receiving 138 mm (5.4 in) of rain over 17 days, accompanied by lower humidity at 71%. For more detailed information, you can check the weather in May.
January weather is characterized by frigid temperatures, with nighttime lows dipping as low as -17°C (1°F) and an average of 0°C (33°F), while daytime highs reach up to 14°C (57°F). The month experiences around 34 mm (1.3 in) of precipitation over about six days, and the humidity remains high at 90%. In contrast, June brings a significant warming trend, with minimum temperatures starting at 7°C (45°F) and averages climbing to 20°C (69°F), peaking at a sweltering 36°C (96°F). This month tends to be wetter, with 93 mm (3.7 in) of precipitation spread across 13 days, alongside a lower humidity level of 73%. For a closer look at the weather patterns during this summer month, visit weather in June.
January and July present starkly contrasting weather conditions. In January, temperatures can plunge as low as -17°C (1°F), with an average of 0°C (33°F) and occasional highs reaching 14°C (57°F). The month experiences considerable humidity at 90% and sees about 34 mm (1.3 in) of precipitation over approximately six days. In contrast, July boasts much milder temperatures, with a minimum of 9°C (49°F), an average of 21°C (70°F), and peaks soaring up to 35°C (94°F). This summer month is wetter, receiving 114 mm (4.5 in) of precipitation across 14 days, but with lower humidity at 70%. For more detailed information, you can check the weather in July.
In January, the weather is characterized by cold temperatures, with minimums plunging to -17°C (1°F) and average highs around 0°C (33°F). The humidity is high at 90%, and the month sees about 34 mm (1.3 in) of precipitation spread over six days, creating a wintry landscape. In stark contrast, August brings warmer conditions with average temperatures soaring to 21°C (71°F) and maximums hitting 36°C (97°F). This month experiences significantly more precipitation, at 103 mm (4.0 in), over approximately 11 days, while the humidity drops to a more comfortable 60%. For more insights on the climate during this vibrant summer month, check out the weather in August.
January and September present contrasting weather patterns. In January, temperatures can plummet as low as -17°C (1°F), with an average of around 0°C (33°F) and a maximum of 14°C (57°F). The month sees a modest amount of precipitation, totaling 34 mm (1.3 in) across about 6 days, coupled with a high humidity level of 90%. In stark contrast, September experiences much milder temperatures, ranging from a minimum of 3°C (37°F) to an average of 16°C (61°F) and peaking at 32°C (89°F). This month is wetter, with 145 mm (5.7 in) of precipitation spread across 12 days and a lower humidity of 65%. For more detailed information regarding weather in September, you can check the link.
In January, temperatures can plunge to a minimum of -17°C (1°F), with an average temperature hovering around 0°C (33°F) and a maximum of 14°C (57°F). The month is characterized by a high humidity level of 90% and sees around 34 mm (1.3 in) of precipitation over six days. In stark contrast, October brings milder weather, with temperatures ranging from a minimum of -1°C (31°F) to a pleasant average of 11°C (53°F) and a maximum reaching up to 25°C (78°F). While it experiences slightly less humidity at 84%, October also has a higher total precipitation of 69 mm (2.7 in) across nine days. For more details on the weather in October, you can explore further.
January weather is typically much colder than that of November. While January sees temperatures dropping to a minimum of -17°C (1°F) and averaging around 0°C (33°F), November is milder, with temperatures ranging from a low of -5°C (23°F) to a comfortable average of 6°C (43°F) and a maximum of up to 20°C (68°F). Additionally, precipitation is more frequent in November, with 87 mm (3.4 in) recorded over 10 days compared to January's 34 mm (1.3 in) spread over just 6 days. Both months feature high humidity levels, with January at 90% and November slightly lower at 89%. For a closer look at the shifts in weather patterns during this time, check out the weather in November.
January weather tends to be colder compared to December, with average temperatures hovering around 0°C (33°F) as opposed to December's mild average of 2°C (36°F). The minimum temperature in January can drop to a biting -17°C (1°F), while December sees a milder low of -9°C (15°F). Precipitation is more frequent in December with 71 mm (2.8 in) over 9 days, compared to January's 34 mm (1.3 in) across 6 days. Despite the slight difference in humidity, both months maintain a high level of moisture, with January at 90% and December at 89%. For more details, you can check the weather in December.
January stands out as a dramatic departure from the milder months of the year, plunging temperatures into a chilly embrace where the maximum barely reaches 14°C and nights can drop to a frigid -17°C. This month brings a distinct touch of winter with high humidity levels reaching 90%, creating a crisp atmosphere often accompanied by about six days of precipitation, totaling around 34 mm. Unlike the warmer seasons, January’s weather can feel particularly bleak, with conditions that invite cozy evenings indoors and a notable contrast to the more vibrant and lively months that follow. For a more in-depth understanding of weather patterns, explore our Climate.