April Weather in Kranj, Slovenia

Last updated: August 27, 2025

In April, Kranj, Slovenia experiences a vibrant transition into spring, showcasing a maximum temperature of 25°C (77°F) and an average of 9°C (49°F). Amidst this warmth, minimum temperatures can dip as low as -10°C (15°F), highlighting the region's fluctuating climate. With 113 mm (4.4 in) of precipitation spread over approximately 12 days, the month promises a mix of refreshing showers and sunny intervals. Humidity levels hover around 79%, adding to the fresh, crisp air that characterizes this beautiful alpine town during April, inviting locals and visitors alike to enjoy its blossoming beauty.

April Temperature in Kranj

In April, Kranj begins to shake off the chill of winter, welcoming a noticeable rise in temperatures. With minimums around -10°C (15°F) and an average of 9°C (49°F), residents experience a refreshing change as the mercury climbs to a maximum of 25°C (77°F). This month marks a significant shift from the frigid depths of January, where temperatures plunged as low as -16°C (3°F). The increasing warmth not only hints at the arrival of spring but also invites outdoor activities, as the landscape begins to bloom. Overall, April stands out as a transitional month, bridging the cold grip of winter with the promise of warmer days ahead.

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

The chart illustrates April temperature patterns in Kranj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kranj, 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 Kranj generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Kranj

In April, Kranj experiences a notable spike in precipitation, receiving 113 mm (4.4 in) of rainfall over 12 days, marking a significant increase from the preceding month—March recorded only 80 mm (3.1 in). This trend reflects the transition to spring, where the city often witnesses heightened moisture levels leading into the lush greenery of May, which receives the most rainfall of the year at 168 mm (6.6 in). With an uptick in precipitation intensity, April serves as a crucial month for replenishing local water supplies, setting the stage for the vibrant natural beauty that follows in the warmer months.

April Precipitation Trends in Kranj

The chart displays monthly precipitation patterns in Kranj, 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 Kranj, 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 Kranj

In April, Kranj, Slovenia experiences a notable shift in humidity, with levels dropping to 79% from 82% in March. This gradual decrease marks the beginning of a trend towards drier conditions as spring unfolds, culminating in the lowest humidity of the year by May at 74%. As the seasons transition, April’s humidity serves as a bridge, welcoming warmer temperatures while reflecting a consistent pattern of declining moisture levels through the early months of spring. This trend not only enhances outdoor comfort but also sets the stage for the warm summer ahead, where humidity stabilizes around 74% in July and August.

April Average Humidity in Kranj

This chart illustrates the average monthly humidity levels in Kranj, 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 Kranj 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 Kranj

As April arrives in Kranj, Slovenia, the UV Index climbs to 6, indicating a high exposure category and a reduced burn time of just 25 minutes. This notable increase from the earlier months signals a shift toward sunnier days, encouraging residents to begin considering sun safety as they enjoy outdoor activities. Following a gradual rise from a low index in January, the UV levels continue to trend upward, setting the stage for even higher indices in May and June. With these changes, it becomes crucial for locals and visitors alike to stay informed about UV exposure risks. For more details on forecasted UV levels, explore Kranj UV Index.

Maximum UV Index Levels in Kranj for April

The chart shows the monthly maximum UV Index (UVI) for Kranj 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 Kranj typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: Kranj 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 Kranj

In April, Kranj basks in 331 hours of sunshine, marking a delightful transition from the colder months. This increase follows March’s 300 hours, signaling the arrival of spring and a vibrant awakening of nature. As daylight lengthens, the city embraces warmth and brightness, paving the way for May's peak of 355 hours. This upward trend continues into the summer months, with June and July boasting impressive totals of 396 and 415 hours, respectively. The gradual rise from January's 178 hours to April vividly illustrates Kranj's transformation as it emerges from winter’s embrace, inviting residents and visitors alike to revel in the stunning scenery and invigorating outdoor activities during the sunniest months of the year.

Monthly Sunshine Duration in Kranj: April Highlighted

The April sunshine duration represents the total number of hours Kranj 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: Kranj April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kranj During April

In Kranj, Slovenia, April presents a notable dip in sunny weather, with a 32% chance of sunshine. This decrease follows a promising uptick in March, where sunny days reach 54%, indicating that spring is starting to break through. However, as temperatures warm up further into the season, May and June show a slight rise again, with chances settling around 30% and 48% respectively. This fluctuation highlights the transitional nature of April, where the city often experiences erratic weather, balancing between the remnants of winter and the early hints of summer. As visitors revel in the blossoming landscapes, it’s wise to keep an umbrella handy while hoping for those coveted sunny spells.

Percentage of Sunny Days in April in Kranj

The chart illustrates the percentage of sunny days in Kranj 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 Kranj experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%41%55%32%30%48%43%41%48%34%23%30%
Data source: Kranj April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kranj in April

As spring unfolds in Kranj, Slovenia, the length of daylight begins to increase significantly, marking a welcome shift toward sun-drenched days. In April, residents enjoy a delightful 13 hours of daylight, a noticeable uptick from the 11 hours of March. This upward trend continues as the days grow longer, culminating in May's peak of 15 hours. The transition from winter's shorter days to the vibrant expanses of spring and summer creates a natural rhythm, with daylight gradually diminishing again in the fall. This seasonal dance not only invigorates the landscape but also enhances the outdoor experiences available to the community, inviting all to embrace the beauty of Kranj's increasing sunlight.

Average Daylight Hours in Kranj for April

The chart illustrates the variation in daylight duration in Kranj 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: Kranj daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Kranj

As spring blossoms in Kranj, Slovenia, April brings a gentle uptick in the winds, with an average speed of 1.8 m/s (4 mph), making it the windiest month of the season. This slight increase compared to the preceding months reflects the transition from winter's stillness to the invigorating breezes of spring. Following April, as the city warms into May, the winds shift down to 1.7 m/s (4 mph), hinting at a seasonal pattern where the earlier gusts gradually soften into the summer months. Overall, April stands out as a vibrant point in the year, capturing the essence of renewal and the promise of warmer days ahead.

Average April Wind Speed in Kranj

The chart displays monthly wind speed patterns in Kranj, 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: Kranj April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Kranj Compares to Other Months

Weather in Kranj varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Kranj, focusing on differences in temperature, rainfall, humidity, and UV levels.

April and January present quite contrasting weather conditions. In April, temperatures vary significantly, ranging from a chilly minimum of -10°C (15°F) to a warm maximum of 25°C (77°F), with an average of 9°C (49°F). This month experiences more precipitation, totaling 113 mm (4.4 in) over 12 days, and the humidity stands at 79%. In contrast, January is notably colder, with temperatures ranging from a minimum of -16°C (3°F) to a maximum of 11°C (52°F), averaging at -1°C (31°F). Precipitation in January is less frequent, at 51 mm (2.0 in) over just 6 days, accompanied by higher humidity at 91%. For more specific information about January weather in Kranj, you can check Kranj weather in January.

April generally experiences milder weather compared to February, with average temperatures rising from February's chilly 2°C (36°F) to a more comfortable 9°C (49°F). While both months see precipitation, April typically has more rain at 113 mm (4.4 in) over 12 days, compared to February's 90 mm (3.5 in) over 10 days. Additionally, humidity in April is slightly lower at 79%, compared to February’s higher level of 87%. This overall transition marks April as a month of renewal, signaling the approach of warmer days. For more information, check out Kranj weather in February.

April generally experiences milder temperatures compared to March, with average highs reaching 9°C (49°F) compared to March's 5°C (40°F). The minimum temperature in April is also warmer, at -10°C (15°F), while March sees lows of -16°C (3°F). Additionally, April has a higher overall precipitation amount of 113 mm (4.4 in) over 12 days, compared to March’s 80 mm (3.1 in) across 10 days. Despite the increase in rainfall, the humidity remains relatively stable, with April at 79% and March slightly higher at 82%. For more detailed information on March weather, you can refer to the link: Kranj weather in March.

April and May exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -10°C (15°F) to a maximum of 25°C (77°F), with an average of 9°C (49°F). The month also sees significant precipitation of 113 mm (4.4 in) over 12 days, contributing to a higher humidity level of 79%. In contrast, May offers slightly milder conditions with a minimum temperature of 0°C (33°F), an average of 13°C (56°F), and a maximum of 26°C (79°F). However, it tends to be wetter, receiving 168 mm (6.6 in) of rainfall across 20 days, while humidity decreases slightly to 74%. For more specifics on the climate during this month, you can visit Kranj weather in May.

April and June exhibit distinct differences in weather patterns. In April, temperatures range from a chilly minimum of -10°C (15°F) to a maximum of 25°C (77°F), with an average of 9°C (49°F). The month experiences considerable precipitation at 113 mm (4.4 in) over 12 days, coupled with a high humidity level of 79%. In contrast, June showcases a milder climate, with temperatures varying from a minimum of 4°C (39°F) to a warm maximum of 33°C (92°F) and an average of 18°C (66°F). Precipitation in June is slightly lower at 105 mm (4.1 in), occurring over 14 days, and humidity decreases to 75%. For a closer look at the weather specifics, you can explore Kranj weather in June.

April and July 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 sees a notable amount of rainfall, with 113 mm (4.4 in) falling over approximately 12 days, contributing to a relatively high humidity of 79%. In comparison, July offers warmer conditions with nighttime temperatures starting at 9°C (49°F) and peaking at a hot 31°C (88°F), averaging 19°C (67°F). While July experiences slightly more precipitation at 122 mm (4.8 in) over about 16 days, the humidity is a bit lower at 74%. For more specific insights on July weather, you can refer to Kranj weather in July.

April and August present notably different weather patterns. In April, temperatures can dip as low as -10°C (15°F) and peak at 25°C (77°F), offering an average of 9°C (49°F). This month is characterized by higher humidity at 79% and considerable precipitation, with 113 mm (4.4 in) spread over approximately 12 days. In contrast, August features milder minimum temperatures starting at 7°C (46°F) and soaring to a high of 33°C (92°F), averaging a comfortable 20°C (68°F). Although August experiences more total precipitation at 146 mm (5.8 in) over about 15 days, the humidity is lower at 68%. For more details on August weather in Kranj, you can check this link: Kranj weather in August.

April and September present contrasting weather patterns as they transition between seasons. In April, temperatures can range from a chilly minimum of -10°C (15°F) to a pleasant maximum of 25°C (77°F), with an average of 9°C (49°F). The month sees around 113 mm (4.4 in) of precipitation over approximately 12 days and carries a humidity of 79%. In comparison, September offers a milder experience, with temperatures fluctuating between 0°C (33°F) at night and peaking at 28°C (83°F) during the day, averaging 15°C (59°F). It tends to be wetter, accumulating about 170 mm (6.7 in) of rainfall across 13 days, but with slightly lower humidity at 74%. Overall, September feels warmer and more humid despite the additional rainfall. For more detailed insights, check out Kranj weather in September.

April and October present distinct weather patterns, highlighting the transition of seasons. In April, temperatures range from a chilly -10°C (15°F) to a comfortable max of 25°C (77°F), with an average of 9°C (49°F). This month experiences considerable precipitation, totaling 113 mm (4.4 in) over approximately 12 days, and a humidity level of 79%. In contrast, October sees milder temperatures with a minimum of -1°C (31°F), an average of 10°C (50°F), and a maximum of 22°C (73°F). Precipitation is slightly less at 96 mm (3.8 in) over about 10 days, accompanied by higher humidity at 88%. For a closer look at the October weather specifics, visit Kranj weather in October.

April and November present contrasting weather patterns. In April, temperatures swing 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 sees about 113 mm (4.4 in) of precipitation over approximately 12 days, and humidity levels hover around 79%. In comparison, November is cooler, with temperatures ranging from -11°C (12°F) to a maximum of 18°C (64°F), resulting in an average of 5°C (42°F). This month experiences higher precipitation at 154 mm (6.1 in) over 11 days, along with increased humidity at 90%. For more details on weather specifics in this month, you can check Kranj weather in November.

In Kranj, the weather in April is noticeably milder than in December, with average temperatures ranging from a minimum of -10°C (15°F) to a maximum of 25°C (77°F) compared to December's range of -16°C (3°F) to 12°C (53°F). While April sees an average precipitation of 113 mm (4.4 in) over 12 days, December has slightly higher precipitation at 126 mm (5.0 in) over 11 days. Humidity levels also reflect the seasonal changes, with April averaging 79% and December reaching 89%. For more details on December conditions, you can visit Kranj weather in December.

Compare Kranj's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Kranj

April in Kranj marks a significant transition from the chill of winter to the warmth of spring, with temperatures beginning to rise and the landscape coming alive. Unlike the colder months, April experiences a blend of milder days and cooler nights, creating a refreshing atmosphere. With higher humidity levels and a noticeable increase in precipitation, it can be a month of both showers and sunshine, offering a dynamic climate that is perfect for witnessing nature's rebirth. This delightful volatility makes April distinct from both the winter freeze and the summer heat. For a deeper understanding of Kranj's weather patterns throughout the year, check out Kranj Climate.