April Weather in , Slovenia

Last updated: August 27, 2025

April in Slovenia showcases a dynamic climate, with temperatures varying widely from a chilly -10°C (15°F) at night to a pleasant 25°C (77°F) during the day. The month features an average temperature of around 9°C (49°F), making it a transitional period as the country shakes off the winter chill. However, residents and visitors should be prepared for moist conditions; with 113 mm (4.4 in) of precipitation over 12 days, April often brings rain showers, contributing to a humidity level of 79%. This mix of warmth and moisture creates a vibrant tapestry of blooming nature, setting the stage for the arrival of spring.

April Temperature in

In April, Slovenia experiences a vibrant transition into spring, with temperatures on the rise following the chill of winter. The month starts with a cool minimum of -10°C (15°F), but it quickly warms up, boasting an average temperature of 9°C (49°F) and reaching a pleasant maximum of 25°C (77°F) by month’s end. This notable increase reflects the gradual awakening of nature, as snow recedes and lush greenery begins to thrive. Compared to the preceding months, April's temperatures signal a welcoming shift, making it an ideal time for outdoor adventures and exploration amidst Slovenia's stunning landscapes. As the warmth begins to permeate the air, visitors can enjoy longer days and blossoming flora, marking the true essence of spring.

April Weather in : Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in , showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In , April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec303640485665676759504132
Data source: Temperature data for generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in

April brings a notable shift in Slovenia's precipitation, with an increase to 113 mm (4.4 in), making it one of the wettest months in the year. This surge in rainfall occurs over 12 days, setting the stage for the lush landscapes that define spring. Compared to the previous months—January through March, which collectively see less rainfall—the arrival of April marks a significant uptick in moisture, preparing the soil for the warmer months ahead. As the month unfolds, the gradual rise in precipitation continues, leading into May, where the averages will peak at 168 mm (6.6 in). This trend highlights April as a pivotal transition point, where the initial stirrings of spring weather begin to flourish, paving the way for vibrant growth and rejuvenation across Slovenia’s diverse scenery.

April Precipitation Trends in

The chart displays monthly precipitation patterns in , with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In , April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec51908011316910512314617097154126
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in

April in Slovenia marks a notable shift in humidity levels as the country transitions into spring. With an average humidity of 79%, April represents a decline from the winter months, reflecting the gradual warming and drying out of the atmosphere. This is a continued trend from March's 82%, but still noticeably higher than the drier months ahead in May, when humidity drops to 74%. As summer approaches, humidity levels will continue to fluctuate, peaking again in the fall. Overall, April serves as a bridge between the heavier, moisture-laden air of winter and the lighter, more refreshing conditions of summer, making it a delightful month for exploring Slovenia's natural beauty.

April Average Humidity in

This chart illustrates the average monthly humidity levels in , with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%82%79%74%75%74%69%74%88%90%89%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in

In April, Slovenia experiences a noticeable shift in sunlight intensity, with the UV Index rising to 6, categorizing the exposure level as high. This increase reflects the transition into spring, where outdoor enthusiasts should be particularly mindful of sun safety, as the burn time decreases to just 25 minutes. Compared to the previous months, the UV Index has steadily climbed from 2 in January to 6 in April, signaling a clear trend towards stronger sun exposure as the days grow longer and warmer. This rising UV trend continues into May, emphasizing the importance of protection against harmful rays. For more about managing your sun exposure, visit our detailed guide on the UV Index.

Maximum UV Index Levels in for April

The chart shows the monthly maximum UV Index (UVI) for in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in

April in Slovenia shines brightly as the country welcomes 331 hours of sunshine, a significant jump from the 300 hours experienced in March. This remarkable increase heralds the arrival of warmer days and longer daylight hours, marking a transitional phase towards the splendid May, which averages 355 hours. The trend of rising sunshine continues into the early summer months, reaching a peak in July with a dazzling 415 hours. As the landscape awakens and blossoms under the generous rays, April serves as a vibrant prelude to the sun-kissed beauty that Slovenia gaily displays in the following months. This steady ascent in sunshine hours not only brightens the days but also uplifts the spirits, inviting both locals and visitors to embrace the outdoors and revel in the natural splendor that this picturesque country offers.

Monthly Sunshine Duration in : April Highlighted

The April sunshine duration represents the total number of hours experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec178h215h300h331h355h396h415h382h309h275h194h202h
Data source: April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in During April

In April, Slovenia experiences a 32% chance of sunny weather, marking a notable decline from the progressive increase seen in the previous months. After a gradual rise from 27% in January to 54% in March, April's sunshine likelihood dips, suggesting that the region may still be transitioning from winter’s grasp. This trend of fluctuating sunshine continues into May with a slight decrease to 30%, while summer months beckon with a return to higher probabilities. Overall, while April's weather may not be as bright as earlier spring months, the seasonal shift signals that sunnier days are just around the corner.

Percentage of Sunny Days in April in

The chart illustrates the percentage of sunny days in throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%41%55%32%30%48%43%41%48%34%23%30%
Data source: April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in in April

As April arrives in Slovenia, the days begin to stretch delightfully, offering an average of 13 hours of daylight. This marks a noticeable increase from the 11 hours seen in March, signaling the vibrant shift toward spring. Following the gradual ascent in daylight from 9 hours in January to 10 hours in February, the landscape of Slovenia is now bathed in more light, fostering a sense of renewal and growth. The progression continues into May, where daylight reaches 15 hours, and persists through the summer months, creating an energizing atmosphere perfect for outdoor exploration and enjoying the blossoming beauty all around. This annual rhythm of sunlight not only enhances the scenery but also invites residents and visitors alike to immerse themselves in the splendor of Slovenia's natural charm.

Average Daylight Hours in for April

The chart illustrates the variation in daylight duration in throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 3m10h 19m11h 56m13h 35m15h15h 43m15h 20m14h 5m12h 29m10h 51m9h 24m8h 39m
Data source: daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in

As spring unfurls in Slovenia, April brings a gentle increase in average wind speed to 1.8 m/s (4 mph), a sign that the season is fully embracing change. This slight uptick from the preceding months hints at a refreshing breeze, breaking away from the calm of winter. Interestingly, April's wind speed then tapers off slightly in May before entering a month characterized by a consistent 1.6 m/s (4 mph) in July. Such patterns reveal the interplay between warmth and wind, suggesting an invigorating transition as nature awakens. Even as the summer months approach, the overall stability of wind speeds throughout the year remains evident, with subtle fluctuations that add charm to Slovenia's ever-changing landscape.

Average April Wind Speed in

The chart displays monthly wind speed patterns in , with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.71.71.8 m/s1.71.51.61.41.51.71.51.5
Data source: April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Compares to Other Months

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 weather presents a notable contrast to January, with temperatures ranging from a chilly minimum of -10°C (15°F) to a pleasant average of 9°C (49°F), reaching a maximum of 25°C (77°F). The month experiences higher precipitation levels at 113 mm (4.4 in) over 12 days, accompanied by a humidity of 79%. In comparison, January is much colder with temperatures dipping to a minimum of -16°C (3°F) and averaging -1°C (31°F), peaking at 11°C (52°F). It sees less precipitation, totaling 51 mm (2.0 in), over just 6 days, and a higher humidity of 91%. For more detailed information, you can check the weather in January.

April and February exhibit distinct weather characteristics, highlighting the transition from winter to spring. In February, temperatures range from a minimum of -13°C (9°F) to a maximum of 18°C (64°F), with an average of 2°C (36°F), while April sees a broader temperature range, with a minimum of -10°C (15°F) and a maximum reaching 25°C (77°F) for an average of 9°C (49°F). Precipitation in April is more substantial at 113 mm (4.4 in) over 12 days compared to February’s 90 mm (3.5 in) over 10 days. Additionally, April has slightly lower humidity at 79%, in contrast to February's 87%. For a deeper look into the weather specifics, you can check weather in February.

April weather shows a notable improvement compared to March, with average temperatures rising from 5°C (40°F) to a more pleasant 9°C (49°F). The maximum temperature in April reaches up to 25°C (77°F), compared to a maximum of 21°C (70°F) in March. However, April also experiences more precipitation, totaling 113 mm (4.4 in) over 12 days, compared to 80 mm (3.1 in) over 10 days in March. Despite slightly higher humidity levels in April at 79%, both months maintain relatively high humidity, with March at 82%. For more details, you can check the weather in March.

April weather is characterized by a broader temperature range, with minimums dipping to -10°C (15°F) and maximums reaching 25°C (77°F), leading to an average temperature of 9°C (49°F). The month also sees significant precipitation, totaling 113 mm (4.4 in) over 12 days, along with a relatively high humidity level of 79%. In contrast, May experiences milder conditions, with temperatures starting at a minimum of 0°C (33°F), averaging 13°C (56°F), and peaking at 26°C (79°F). However, it is also wetter, recording 168 mm (6.6 in) of rainfall across 20 days, while humidity slightly decreases to 74%. For more detailed information about the weather in May, you can check the provided link.

April and June present distinct weather patterns, with April experiencing cooler temperatures and higher humidity. In April, temperatures range from a chilly -10°C (15°F) to a maximum of 25°C (77°F), with an average of 9°C (49°F). This month also sees significant precipitation, totaling 113 mm (4.4 in) over 12 days, and an average humidity of 79%. In contrast, June warms up considerably, with temperatures fluctuating between a minimum of 4°C (39°F) and a peak of 33°C (92°F), leading to a comfortable average of 18°C (66°F). Though precipitation remains similar at 105 mm (4.1 in) over 14 days, the humidity declines slightly to 75%. For more detailed insights, visit weather in June.

April and July showcase a notable contrast in weather conditions. April experiences cooler temperatures, with a minimum of -10°C (15°F) and an average of 9°C (49°F), while July warms up significantly, featuring a minimum of 9°C (49°F) and an average temperature of 19°C (67°F). Precipitation levels are quite similar, with April receiving 113 mm (4.4 in) over 12 days, compared to July's 122 mm (4.8 in) across 16 days. Additionally, April has a higher humidity level of 79%, compared to July's slightly lower humidity at 74%. For more detailed insights on July's weather, you can visit weather in July.

April and August present contrasting weather patterns, showcasing the transition from early spring to the height of summer. In April, temperatures can drop as low as -10°C (15°F) and reach a comfortable average of 9°C (49°F), with occasional highs of 25°C (77°F). The month experiences significant rainfall, totaling 113 mm (4.4 in) over 12 days, coupled with high humidity at 79%. In contrast, August brings milder minimum temperatures at 7°C (46°F) and an average of 20°C (68°F), with maximums peaking at a warm 33°C (92°F). Precipitation increases slightly to 146 mm (5.8 in) across 15 days, yet humidity drops to a more comfortable 68%. For more details on the weather in August, you can visit weather in August.

April and September present distinct weather patterns, reflecting the transition between winter and autumn. In April, temperatures range from a chilly -10°C (15°F) to a pleasant 25°C (77°F), with an average of 9°C (49°F). The month sees approximately 113 mm (4.4 in) of precipitation over 12 days, and humidity levels remain relatively high at 79%. In contrast, September offers a milder climate, with minimum temperatures around 0°C (33°F) and maximum temperatures reaching 28°C (83°F), averaging at 15°C (59°F). Precipitation increases to 170 mm (6.7 in) spread over 13 days, but humidity slightly decreases to 74%. For a detailed look at the weather in September, visit weather in September.

April and October present contrasting yet mild weather conditions. In April, temperatures range from a chilly -10°C (15°F) at their lowest to a pleasant 25°C (77°F) at their peak, with an average of 9°C (49°F). This month experiences 12 days of precipitation totaling 113 mm (4.4 in) and has a humidity level of 79%. In contrast, October sees a narrower temperature range, with minimums of -1°C (31°F) and maximums of 22°C (73°F), averaging at 10°C (50°F). Precipitation decreases slightly to 96 mm (3.8 in) over 10 days, accompanied by a higher humidity of 88%. For more detailed information, you can check the weather in October.

April and November exhibit notable differences in weather patterns, impacting how we experience each month. In April, temperatures range from a minimum of -10°C (15°F) to a maximum of 25°C (77°F), with an average temperature of 9°C (49°F). This month sees about 113 mm (4.4 in) of precipitation over 12 days, accompanied by a humidity level of 79%. In contrast, November presents a cooler profile, with temperatures dipping slightly lower; the minimum is -11°C (12°F), while the maximum reaches 18°C (64°F), and the average temperature is just 5°C (42°F). With a higher precipitation level of 154 mm (6.1 in) over 11 days and increased humidity at 90%, November tends to feel more damp and chilly. For more insights, you can check out the weather in November.

April and December present contrasting weather patterns. In April, temperatures range from a chilly -10°C (15°F) at night to a pleasant 25°C (77°F) during the day, with an average of 9°C (49°F). The month also sees significant precipitation of 113 mm (4.4 in) over 12 days, combined with a humidity level of 79%. In contrast, December offers a colder climate with temperatures dipping to a minimum of -16°C (3°F) and averaging around 0°C (33°F), peaking at 12°C (53°F). It experiences slightly higher precipitation at 126 mm (5.0 in) across 11 days, along with a higher humidity of 89%. For more details on the December weather, you can refer to weather in December.

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Conclusion: What to Expect From April Weather in

April weather introduces a refreshing transition from the cold grip of winter, marked by a notable increase in temperatures and a melodic dance of spring rain. With average temperatures climbing to a mild 9°C, the days feel more inviting, even as nighttime occasionally dips to frosty lows. The humidity levels are relatively high at 79%, contributing to the lush awakening of nature as it shakes off winter's chill. In contrast to the harsher winter months, April experiences a balanced mix of sunshine and rainfall, averaging 12 days of precipitation that blanket the landscape in rejuvenating moisture. This combination of elements makes April a vibrant yet unpredictable month, perfectly embodying the spirit of spring. For more detailed insights into the weather patterns, explore our Climate page.