Last updated: August 27, 2025
April in Slovenia presents a vibrant transition from the chill of winter to the warmth of spring. With maximum temperatures reaching up to 25°C (77°F), the landscape awakens, inviting exploration. The average temperature holds at a comfortable 13°C (55°F), while the cool nights can drop to a brisk 1°C (34°F). However, this month also brings significant precipitation, totaling 103 mm (4.0 in) across approximately 10 rainy days, contributing to the lush greenery. With a humidity level of 73%, the air feels refreshing, making April a delightful time to experience Slovenia's natural beauty and charming outdoors.
As April arrives in Slovenia, a noticeable transition from winter to spring takes place, with temperatures taking a refreshing leap. The month opens with minimums around 1°C (34°F), rising to an average of 13°C (55°F), and reaching maximums of 25°C (77°F). This notable warmth marks a significant change from the chilly early months of the year, where temperatures hovered around freezing. The upward trend in temperatures not only signals the end of frost but also invites nature to bloom, making April an enchanting time to witness Slovenia's landscapes flourish. Visitors can enjoy milder weather, perfect for exploring the outdoors, as the days grow longer and the sun begins to shine more frequently.
In April, Slovenia experiences a substantial precipitation total of 103 mm (4.0 in) over 10 days, marking a notable transition as spring unfolds. This month exhibits a moderate dip in rainfall compared to the wetter month of February, which recorded 118 mm (4.6 in) spread over 10 days. However, April's precipitation stands out among the earlier months, such as January and March, where totals were significantly lower at 56 mm (2.2 in) and 71 mm (2.8 in), respectively. As the country moves into May, precipitation is expected to rise again to 142 mm (5.6 in), showcasing a trend of increasing moisture leading into summer. The steady rainfall during April not only nourishes the blooming flora but also maintains the vibrant landscapes Slovenia is known for, establishing a refreshing contrast to the drier summer months ahead.
In April, Slovenia experiences a relative humidity level of 73%, mirroring the trend set in March. This consistency suggests a gradual transition from the higher humidity levels of winter — where January and February hover around 88% and 82%, respectively — to more comfortable conditions as spring progresses. Moving into May, humidity continues to decrease slightly to 70%, paving the way for the warm and dry summer months. This shift underscores a notable decline in humidity as the year unfolds, creating a fresh and rejuvenating atmosphere that characterizes Slovenia's vibrant spring season.
As April unfolds in Slovenia, the UV Index rises to 6, marking the start of a shift towards high exposure risks. With a burn time of just 25 minutes, it's crucial for sun lovers to take precautions against UV radiation. This month sees a notable increase from the moderate levels observed in March, where a UV Index of 5 afforded a slightly longer burn time of 30 minutes. As we transition from the cooler months, where UV values were low in January and February, April’s heightened levels signal that summer is on the horizon. This trend only intensifies in May, leading into the summer months with even higher UV exposures, emphasizing the importance of sun safety practices. For more details, check the UV Index for Slovenia.
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As spring unfolds in Slovenia, April shines brightly with a remarkable 344 hours of sunshine, marking a joyful leap from the previous months. Following a gradual increase from January's 182 hours, March's longer days foreshadow the vibrant energy of April. This upward trend is set against the backdrop of the year, where sunshine hours gradually rise, peaking in the summer months. With each passing day, the warmth of sunshine becomes more invigorating, inviting both locals and visitors to revel in the natural beauty and outdoor adventures that Slovenia has to offer. Embracing these sunny days, April serves as a beautiful bridge to the enchanting summer ahead, promising even more sun-soaked opportunities in May and June.
In April, Slovenia experiences a moderate likelihood of sunny weather, with a 43% chance of sunshine. While this marks a slight decline from March's impressive 63%, it is still a significant improvement compared to the winter months. The trend shows that as spring progresses, the chances for clearer skies generally increase, with April bridging the gap towards the sunnier days of May and June. Looking ahead, this month stands as a transitional period, hinting at the vibrant, sunny summer months that are just around the corner, making it an enticing time for outdoor enthusiasts and nature lovers alike.
As spring unfolds in Slovenia, April brings with it a refreshing increase in daylight, with an impressive 13 hours of sunlight compared to just 11 hours in March. This upward trend continues into the following months, reaching a peak with 15 hours of daylight in both June and July. The gradual progression from the shorter days of winter—where January offers only 9 hours—highlights the transition toward the brighter, more vibrant days of summer. As daylight steadily lengthens, April serves as a delightful reminder of nature's awakening, encouraging outdoor activities and a renewed appreciation for the beautiful landscapes of Slovenia.
In April, Slovenia welcomes the refreshing embrace of spring, marked by an average wind speed of 3.0 m/s (7 mph). This steady breeze is consistent with the winds of January and represents a slight uptick from the calmer March, suggesting a gentle resurgence of air movement as nature awakens from winter's slumber. As the month progresses, this invigorating wind sets the stage for May, which sees a further increase to 3.2 m/s (7 mph). The trends reflect an evolving atmosphere where the winds begin to dance with warmth, creating an inviting environment for outdoor activities. This month of April not only signifies a transition but also hints at the energetic days ahead, bridging the serene stillness of winter with the vibrant pulse of summer.
Weather in varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in , focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January showcase contrasting weather patterns. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), with an average of 13°C (55°F). The month experiences around 103 mm (4.0 in) of precipitation over 10 days and maintains a humidity level of 73%. In contrast, January is significantly colder, with temperatures dropping to a minimum of -7°C (20°F) and only reaching a maximum of 13°C (56°F), averaging just 5°C (41°F). With 56 mm (2.2 in) of precipitation spread over 7 days and a higher humidity of 88%, January's weather feels more frigid and damp. For a detailed look at January's climate, you can refer to the following link: weather in January.
April and February present contrasting weather conditions. In February, temperatures can drop as low as -6°C (22°F) with an average of 7°C (44°F), making it the colder of the two months. In contrast, April sees a more moderate range, with temperatures starting at a minimum of 1°C (34°F) and averaging around 13°C (55°F), peaking at 25°C (77°F). While both months experience around 10 days of precipitation, February tends to have slightly higher rainfall at 118 mm (4.6 in) compared to April's 103 mm (4.0 in). Additionally, February's humidity is higher at 82% compared to April’s 73%, contributing to a crisper, chillier atmosphere. For more details on weather conditions during this time, you can refer to the weather in February.
In comparing the weather between April and March, April shows a significant warming trend, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (77°F) and an average of 13°C (55°F). In contrast, March experienced cooler temperatures, with a minimum of -7°C (20°F) and a maximum of 21°C (70°F), resulting in an average of 9°C (48°F). Precipitation also increased in April, totaling 103 mm (4.0 in) over 10 days, compared to 71 mm (2.8 in) over 8 days in March. Interestingly, both months share the same humidity level of 73%, making April feel relatively warmer despite the higher rainfall. For a detailed look at the previous month, check the weather in March.
April and May present notable differences in weather patterns. April features cooler temperatures, with a minimum of 1°C (34°F) and an average of 13°C (55°F), while May warms up significantly, boasting a minimum of 7°C (46°F) and an average of 17°C (63°F). In terms of maximum temperatures, May reaches up to 27°C (81°F), compared to April's peak of 25°C (77°F). Precipitation also increases from April to May, with April receiving 103 mm (4.0 in) over 10 days and May totaling 142 mm (5.6 in) across 17 days, though humidity remains relatively stable, slightly lowering from 73% in April to 70% in May. For a more detailed look at the weather in May, visit the provided link.
April weather is characterized by a significant range in temperature, with minimums dipping to 1°C (34°F) and maximums peaking at 25°C (77°F), resulting in an average of 13°C (55°F). The month also sees considerable precipitation, totaling 103 mm (4.0 in) over about 10 days, coupled with a higher humidity level of 73%. In comparison, June offers a warmer climate, with minimum temperatures starting at 11°C (53°F) and reaching highs of 33°C (92°F), averaging 22°C (72°F). The rainfall in June is slightly less, at 87 mm (3.4 in), spread over just 8 days, and the humidity decreases to 69%. For more detailed insights, you can check the weather in June.
April and July present contrasting weather patterns, highlighting the transition from spring to summer. In April, temperatures range from a chilly minimum of 1°C (34°F) to a comfortable maximum of 25°C (77°F), with an average of 13°C (55°F). The month experiences significant rainfall, totaling 103 mm (4.0 in) over approximately 10 days, coupled with a humidity level of 73%. In contrast, July brings warmer temperatures, with a minimum of 16°C (61°F) and a maximum reaching up to 33°C (91°F), averaging around 24°C (75°F). Rainfall decreases to 65 mm (2.6 in) spread over just 8 days, and humidity drops to 63%. For more details on the weather specifics, you can check out the weather in July.
April and August exhibit striking differences in weather patterns. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), with an average of 13°C (55°F). The month experiences significant precipitation, totaling 103 mm (4.0 in) over about 10 days, contributing to a higher humidity level of 73%. In contrast, August brings much warmer conditions, with temperatures ranging from a minimum of 15°C (59°F) to a peak of 34°C (94°F), averaging 25°C (77°F). The summer month also sees less precipitation, recording 70 mm (2.7 in) across just 7 days, and a lower humidity level of 51%. For more detailed insights on the weather, check out the weather in August.
April and September present distinct weather characteristics. In April, temperatures range from a chilly minimum of 1°C (34°F) to a warm maximum of 25°C (77°F), with an average of 13°C (55°F). This month also sees considerable rainfall, with 103 mm (4.0 in) spread over 10 days, and humidity sits at a fairly high 73%. In contrast, September enjoys milder temperatures, with a minimum of 9°C (49°F) and a maximum of 32°C (90°F), averaging around 20°C (68°F). However, September experiences increased rainfall, totaling 164 mm (6.4 in) over the same number of days, but with lower humidity at 64%. For more details, check the weather in September.
April and October present contrasting yet mild weather patterns. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), with an average of 13°C (55°F). This month experiences about 103 mm (4.0 in) of precipitation over roughly 10 days, accompanied by a humidity level of 73%. In comparison, October sees slightly higher temperatures, with a minimum of 6°C (44°F), an average of 15°C (59°F), and a maximum of 23°C (74°F). It also experiences a comparable amount of rainfall at 107 mm (4.2 in) over the same number of days, but with increased humidity at 83%. For more detailed insights, you can explore the weather in October.
April and November exhibit distinct weather patterns that influence daily life in different ways. In April, temperatures range from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), with an average of 13°C (55°F). This month sees around 103 mm (4.0 in) of precipitation over approximately 10 days, accompanied by a humidity level of 73%. In contrast, November experiences cooler temperatures, with a minimum of 1°C (34°F), an average of 11°C (52°F), and a maximum of 20°C (68°F). Precipitation in November rises to 176 mm (6.9 in) over about 12 days, and humidity increases to 89%. This comparison highlights how April tends to be warmer but drier, whereas November is cooler and wetter, leading to a more humid atmosphere. For more detailed insights, you can check the weather in November.
April and December present distinct contrasts in weather patterns. In April, temperatures range from a minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), with an average of 13°C (55°F). This month experiences about 103 mm (4.0 in) of precipitation over approximately 10 days, accompanied by a moderate humidity level of 73%. In contrast, December typically sees colder temperatures, with a minimum of -1°C (30°F) and a maximum of 15°C (60°F), averaging around 7°C (44°F). The month is marked by higher precipitation, reaching 150 mm (5.9 in) over 12 days, along with increased humidity at 88%. For more details, you can refer to the weather in December.
April weather in Koper Capodistria marks a significant transition as spring fully emerges. Temperatures begin to rise, offering more pleasant days compared to the cooler months of winter, while the interplay of mild days and chilly nights creates a vibrant atmosphere. However, April is also characterized by increased precipitation, making it one of the wetter months, contrasting with the drier periods that follow. With an average humidity hovering around 73%, the air feels fresh, accentuating the blossoming landscape. As you prepare to enjoy the beauty of this season, you can learn more about the overall climate in the region by checking out Climate.