Last updated: August 27, 2025
In January, Celje, Slovenia experiences a striking winter climate, characterized by a maximum temperature reaching 12°C (55°F) and an average temperature hovering around 0°C (33°F). The season's chill is punctuated by occasional drops to a minimum of -17°C (2°F), creating a dynamic atmosphere. The city also sees a total precipitation amount of 37 mm (1.5 in) over 6 days, contributing to the region's humidity levels at an impressive 90%. These elements combine to create a distinctive winter experience that highlights the beauty and challenges of Slovenian winters.
In Celje, Slovenia, January brings a chilly embrace, with temperatures ranging from a brisk -17°C (2°F) at their lowest to a mild 12°C (55°F) at their peak. This month typically settles at an average of around 0°C (33°F), marking the heart of winter when frosty mornings and the potential for snow dominate the landscape. The consistent chill observed in January sets a stark contrast to the gradual warming trend that follows into February, as daytime highs can hit 20°C (67°F) by the end of the month. Winter's grasp begins to release its hold, showcasing a slow but steady rise in temperatures into spring, hinting at the vibrant transformation ahead.
In January, Celje, Slovenia experiences a relatively mild start to the year with 37 mm (1.5 in) of precipitation over just 6 days. This marks a typical winter pattern where the air remains crisp, yet moisture still makes its presence known. Compared to the following months, January is a lighter month for rainfall, notably less than February's64 mm (2.5 in) and April's peak at 80 mm (3.2 in). As the seasons progress towards spring, the precipitation notably increases, with May peaking at a substantial 142 mm (5.6 in) across 19 days, signaling a vibrant transition as nature awakens. This gradual uptick highlights the shift in weather patterns, preparing residents for the lush greenery that follows in the warmer months.
In Celje, Slovenia, January welcomes the year with a remarkable 90% humidity, setting the stage for a notably damp winter. As the months progress, a gradual decline in humidity becomes evident, with February following at 84% and March dipping to 78%. This trend of decreasing humidity continues into spring, reaching 73% by April and further easing to 71% in May. Summer months bring a slight increase, with July and August showcasing more comfortable levels around 70% and 60%, respectively. However, as autumn approaches, humidity levels rise once again—peaking at 89% in both November and December, bringing back the characteristic moisture of the winter months. Overall, January's high humidity foreshadows a seasonal rhythm that fluctuates but frequently returns to dampness, particularly as the year transitions toward its colder end.
In January, Celje, Slovenia experiences a UV Index of 2, indicating a low exposure category with a burn time of approximately 45 minutes. This trend of low UV exposure is consistent with the slower start of the year, where sunlight is still relatively mild. As the months progress into February and March, the UV Index begins to rise to levels of 3 and 5, respectively, signifying a moderate risk for skin damage and a reduced burn time of 30 minutes. The spring months usher in increased UV intensity, peaking in the summer with an exceptionally high UV Index of 9 during June and July, where protective measures become essential as the burn time shrinks to just 15 minutes. Notably, as autumn arrives, the UV Index gradually descends, stabilizing around 4 in October and receding to 2 in December, mirroring the overall seasonal shift in sunlight. For detailed insights on UV trends and protection measures, visit Celje UV Index.
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In Celje, Slovenia, January begins with a chilly yet bright 165 hours of sunshine, hinting at the promise of longer, warmer days ahead. As the months progress, sunlight steadily increases, culminating in the late spring and summer months, where May shines with 358 hours, leading into the glorious heights of July with 418 hours of radiant daylight. This peak illuminates the city at its vibrant best, offering a delightful contrast to the cooler, shorter days of winter and the moderation of autumn. Notably, September still boasts a commendable 311 hours, bridging the transition into autumn with lingering warmth. As the year winds down, sunlight diminishes again, with December clocking in at 201 hours, yet each month reveals a captivating dance of light and shadow, showcasing Celje's enchanting seasonal rhythms.
In Celje, Slovenia, January ushers in the year with a modest 27% chance of sunny weather, making it one of the cloudier months. This trend of limited sunshine contrasts sharply with the slight increase in February, where the odds of enjoying bright days rise to 46%. As spring approaches, the likelihood of sunny spells continues to improve, peaking in March at 56% before fluctuating somewhat in the subsequent months. Interestingly, April and May see a decrease back to 36%, suggesting that while January may feel dreary, the sun’s return is just around the corner, making later winter months increasingly inviting for outdoor activities.
In Celje, Slovenia, the transition into January brings approximately 9 hours of daylight, as the city emerges from the depths of winter. This gradual shift promises brighter days ahead, with February offering an increase to 10 hours. As spring unfolds, daylight stretches further, reaching 11 hours in March and a welcoming 13 hours in April. By May, the days grow even longer, peaking at 15 hours in June and July before a slow retreat begins. August still enjoys 14 hours, but as autumn sets in, daylight decreases to 12 hours in September and continues to diminish to just 8 hours by December. This cyclical pattern highlights the rhythmic dance of daylight throughout the year, inviting residents and visitors alike to embrace each season's unique charm.
In January, Celje, Slovenia experiences a gentle breeze with an average wind speed of 2.0 m/s (4 mph), setting a calm tone for the new year. This eases into a slightly breezier February, where wind speeds increase to 2.2 m/s (5 mph), hinting at the arrival of spring. As winter wanes, March offers a slight dip to 1.9 m/s (4 mph), followed by a recovery in April at 2.1 m/s. Interestingly, the wind speeds remain consistent around 2.0 m/s in May, showcasing a stable spring atmosphere. Moving into the summer months, a gradual decline is noted, with July and August averaging just 1.9 m/s and 1.6 m/s, respectively, providing a sense of tranquility. As autumn approaches, September mirrors this calm with the same 1.6 m/s before a gentle uptick in October at 2.0 m/s. The year wraps up with lighter winds in November and December, averaging 1.5 m/s and 1.7 m/s respectively, embodying a cool, serene ambiance for the festive season. Overall, January's winds establish a foundation of mild breezes that fluctuate ever so slightly throughout the year, allowing Celje to enjoy an array of tranquil moments.
Weather in Celje varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Celje, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, the weather tends to be colder with temperatures ranging from a minimum of -17°C (2°F) to a maximum of 12°C (55°F) and an average of 0°C (33°F). It experiences 37 mm (1.5 in) of precipitation over about 6 days, coupled with a high humidity level of 90%. In contrast, February sees a slight warm-up, with temperatures from -15°C (6°F) to a maximum of 20°C (67°F), and an average temperature of 3°C (38°F). However, February also brings increased precipitation, totaling 64 mm (2.5 in) over about 9 days, while humidity drops to 84%. For more details on the February weather in Celje, you can visit Celje weather in February.
In January, the weather is notably colder, with temperatures ranging from a minimum of -17°C (2°F) to a maximum of 12°C (55°F) and an average temperature of 0°C (33°F). The month experiences around 37 mm (1.5 in) of precipitation over six days, contributing to a high humidity level of 90%. In contrast, March shows a significant warming trend, with temperatures ranging from -16°C (4°F) to 22°C (71°F) and an average of 6°C (43°F). While precipitation increases slightly to 57 mm (2.2 in) over nine days, the humidity drops to 78%. This transition highlights the shift from the deep winter chill of January to the milder conditions of early spring in March. For more detailed information, visit Celje weather in March.
In January, the weather is quite frigid, with temperatures ranging from a chilly -17°C (2°F) at night to a mild 12°C (55°F) during the day, averaging around 0°C (33°F). The month experiences significant humidity at 90% and sees about 37 mm (1.5 in) of precipitation over six days. In contrast, April brings a welcome warmth, with temperatures soaring from a minimum of -8°C (18°F) to a maximum of 26°C (80°F), averaging 10°C (51°F). Although April has slightly more precipitation at 80 mm (3.2 in) over 11 days, the humidity drops to a more comfortable 73%. For more details on spring weather trends, you can check Celje weather in April.
The weather in January is characterized by frigid temperatures, with a minimum of -17°C (2°F) and an average of just 0°C (33°F), making it a chilly month. In contrast, May brings a significant warming trend, with temperatures ranging from a minimum of 0°C (33°F) to a comfortable maximum of 29°C (85°F) and an average of 15°C (58°F). While January experiences low humidity at 90%, May's humidity drops considerably to 71%, despite seeing increased precipitation with 142 mm (5.6 in) over 19 days, compared to January's 37 mm (1.5 in) over just 6 days. For more detailed information, you can check Celje weather in May.
January and June present stark contrasts in weather. In January, temperatures can drop to a chilly -17°C (2°F), with an average of 0°C (33°F) and highs reaching only 12°C (55°F). The month is characterized by high humidity at 90% and relatively low precipitation, amounting to 37 mm (1.5 in) over 6 days. In contrast, June boasts much warmer temperatures, with minimums of 6°C (43°F), averages around 20°C (68°F), and peaks soaring to 34°C (94°F). It experiences increased rainfall, totaling 82 mm (3.2 in) across 13 days, but lower humidity at 73%. For more detailed insights, you can explore Celje weather in June.
January and July present starkly contrasting weather conditions. In January, temperatures can plummet to a minimum of -17°C (2°F), with an average around 0°C (33°F) and a maximum of only 12°C (55°F). The month is characterized by high humidity at 90%, and there are about 6 days of precipitation totaling 37 mm (1.5 in). In contrast, July boasts much milder temperatures, with a minimum of 10°C (50°F), an average of 21°C (70°F), and a maximum reaching 33°C (92°F). This summer month is also wetter, with precipitation on 15 days totaling 121 mm (4.8 in) and a lower humidity of 70%. For a detailed look at how July weather unfolds in this region, you can visit Celje weather in July.
In January, the weather is characterized by cold temperatures, with a minimum of -17°C (2°F) and an average of 0°C (33°F), while maximum temperatures reach only 12°C (55°F). The month sees relatively low precipitation of 37 mm (1.5 in) over about six days, accompanied by high humidity levels of 90%. In stark contrast, August experiences much warmer conditions, with temperatures ranging from a minimum of 7°C (45°F) to a sizzling maximum of 36°C (96°F), and an average of 21°C (70°F). The summer month also has higher precipitation at 104 mm (4.1 in) across 13 days, but with a significantly lower humidity of 60%. For more details, check out Celje weather in August.
In January, the weather is marked by chilly temperatures, with minimums dropping to -17°C (2°F) and average highs reaching only 12°C (55°F). The precipitation is relatively low at 37 mm (1.5 in), occurring over about 6 days, complemented by high humidity levels of 90%. In stark contrast, September enjoys a much warmer climate, featuring minimum temperatures around 2°C (36°F) and peak averages soaring to 30°C (87°F). The month is also wetter, receiving 127 mm (5.0 in) of rain over approximately 12 days, along with a significantly lower humidity of 65%. For a closer look at September weather specifics, visit Celje weather in September.
In January, the weather experiences a notable chill, with temperatures ranging from a frigid -17°C (2°F) to a mild 12°C (55°F) and an average of 0°C (33°F). Despite the colder conditions, the month sees relatively low precipitation at 37 mm (1.5 in) over about six days, complemented by high humidity at 90%. In contrast, October presents a much more temperate climate, with temperatures fluctuating from -1°C (31°F) to a warm 24°C (75°F) and averaging 11°C (52°F). Precipitation increases to 71 mm (2.8 in) over eight days, and humidity is slightly lower at 84%. For more detailed information, you can check Celje weather in October.
In January, the weather is significantly colder, with temperatures ranging from a minimum of -17°C (2°F) to a maximum of 12°C (55°F) and an average temperature of 0°C (33°F). The month also sees a moderate level of precipitation at 37 mm (1.5 in) over approximately 6 days, alongside high humidity levels of 90%. In contrast, November experiences milder temperatures, with a minimum of -6°C (22°F) and a maximum of 20°C (69°F), averaging at 6°C (43°F). This month has considerably more rainfall, totaling 98 mm (3.9 in) spread over 11 days, maintaining a similar humidity level of 89%. For more details about the weather during this month, you can visit Celje weather in November.
In comparison to January, December tends to be slightly milder, with average temperatures ranging from a minimum of -15°C (5°F) to a maximum of 15°C (60°F), while January's temperatures dip lower, averaging between -17°C (2°F) and 12°C (55°F). Additionally, December experiences higher precipitation levels, recording 86 mm (3.4 in) across 9 days, compared to January's 37 mm (1.5 in) over 6 days. Humidity remains fairly consistent, with December at 89% and January at 90%. For more detailed information about December weather in Celje, check out this link: Celje weather in December.
January in Celje is a month of contrasts, where the chilly embrace of winter holds sway. With temperatures averaging around freezing and occasionally plummeting as low as -17°C, it marks a significant departure from the milder months. Unlike the rest of the year, January sees a higher concentration of humidity at 90%, creating a damp chill that lingers in the air. Though precipitation is relatively light, with only six days of rain, it contributes to the overall winter atmosphere. For those intrigued by the nuances of Celje's weather, exploring the details can deepen your understanding of this unique climate. Discover more at Celje Climate.