April Weather in Karlovac, Croatia

Last updated: March 17, 2025

April in Karlovac, Croatia is a month characterized by a dynamic range of temperatures, with highs peaking at 29°C (84°F) and lows dipping to a brisk -10°C (14°F). The average temperature hovers around a comfortable 11°C (53°F), providing a refreshing spring ambiance. However, this transitional month also brings moderate precipitation, totaling 78 mm (3.1 in) over approximately 10 days, making it wise to keep an umbrella handy. With humidity levels at 72%, the air feels cool yet invigorating, perfect for those looking to explore the rich history and natural beauty of this charming Croatian town.

April Temperature in Karlovac

In April, Karlovac, Croatia, experiences a notable shift in temperatures as spring truly arrives. With minimums averaging -10°C (14°F) and rising to pleasant maximums of 29°C (84°F), the city transitions from the chill of winter to the warmth of the season. The average temperature reaches a comfortable 11°C (53°F), marking a significant increase compared to the preceding months. This uptick not only invites locals and visitors to enjoy outdoor activities but also heralds the blooming flora that adorns the landscape. Overall, April serves as a vibrant reminder of nature's renewal, bringing an invigorating blend of warmth and fresh beginnings.

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

The chart illustrates April temperature patterns in Karlovac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec344045536070727263544538
Data source: Temperature data for Karlovac 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 Karlovac

April in Karlovac, Croatia, brings a balanced blend of rain and revitalization, with precipitation amounting to 78 mm (3.1 in) over 10 rainy days. This marks a slight increase from the previous months, highlighting a transition from the cooler early spring into the more temperate conditions that May promises. Notably, while March registered 59 mm, April's rainfall indicates a steady pattern of spring showers that are crucial for the blooming landscape. As the month progresses, Karlovac often experiences a gradual uptick in moisture, setting the stage for May's wetter conditions, where precipitation peaks at 129 mm over 18 rainy days. Embracing April's refreshing showers is integral to transforming the city into a vibrant tapestry of greenery, heralding the arrival of warmer, sunnier days ahead.

April Precipitation Trends in Karlovac

The chart displays monthly precipitation patterns in Karlovac, 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.
JanFebMarAprMayJunJulAugSepOctNovDec55815978129718482114103106104
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Karlovac

As we transition into April in Karlovac, Croatia, the humidity begins to reflect the shift towards milder spring weather. With an average humidity of 72%, April shows a significant drop from the winter months, characterized by January's 89% and February's 83%. This steady decrease continues from March's 75%, indicating a move towards drier conditions as summer approaches. Following April, May brings even lower humidity at 70%, creating a refreshing atmosphere perfect for outdoor activities. The trend showcases a gradual shift away from the dampness of winter as Karlovac prepares to embrace the warmth and vibrancy of the upcoming months.

April Average Humidity in Karlovac

This chart illustrates the average monthly humidity levels in Karlovac, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%83%75%72%70%69%64%51%62%81%87%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Karlovac

In April, Karlovac, Croatia, experiences a noticeable shift in UV exposure as the UV Index rises to 6, categorizing it as high. This increase marks a transition from the moderate levels seen in the previous months, where the UV Index was pegged at 3 in February and 5 in March. With a burn time of just 25 minutes, it's essential for residents and visitors to stay vigilant about sun protection. As the spring sunshine intensifies, this trend signals the onset of summer, where May and June will push the UV Index even higher, reaching 8 and 9, respectively. For more insights on UV levels throughout the year, check out the detailed report at Karlovac UV Index.

Maximum UV Index Levels in Karlovac for April

The chart shows the monthly maximum UV Index (UVI) for Karlovac 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689986532
Data source: Karlovac 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 Karlovac

As April unfolds in Karlovac, Croatia, the days grow noticeably brighter, showcasing a remarkable leap in sunshine hours. With 333 hours basking in sunlight, this month continues an upward trend that begins in January with only 161 hours. The gradual increase from the chilly depths of winter through spring culminates in April catching the warmth of burgeoning days, paving the way for May's even more radiant 367 hours. This lush stretch of sunlight not only enhances the landscape's beauty but also signals the vibrant life that comes with the approaching summer months, making it a delightful time for locals and visitors alike to embrace the outdoors.

Monthly Sunshine Duration in Karlovac: April Highlighted

The April sunshine duration represents the total number of hours Karlovac 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.
JanFebMarAprMayJunJulAugSepOctNovDec161h223h307h333h367h404h424h390h323h288h189h204h
Data source: Karlovac April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Karlovac During April

In April, the likelihood of enjoying sunny weather in Karlovac, Croatia stands at 41%, which shows a slight dip from the increasing sunshine seen in March at 59%. This month heralds a transition into spring, but the sun's presence can be a bit elusive as temperatures fluctuate. Following the upward trend in the earlier part of the year, April’s chances of sunshine are a reminder that while winter is officially over, the weather can still be quite variable. As we move into the heart of spring with May and June approaching, the likelihood of clearer skies is expected to rebound, offering greater chances for sunshine ahead.

Percentage of Sunny Days in April in Karlovac

The chart illustrates the percentage of sunny days in Karlovac 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 Karlovac experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%44%59%41%37%58%50%50%55%36%20%31%
Data source: Karlovac April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Karlovac in April

As spring unfolds in Karlovac, Croatia, April brings a notable increase in daylight duration, extending to 13 hours compared to the 11 hours in March. This upward trend reflects the region's transition from the shorter days of winter, where January and February offer just 9 and 10 hours of sunlight, respectively. As the month progresses, daylight steadily increases towards the 14 hours in May and 15 hours during the peak of summer in June and July. The gradual lengthening of days not only showcases the beauty of the changing seasons but also invites outdoor activities and vibrant gatherings as nature comes back to life.

Average Daylight Hours in Karlovac for April

The chart illustrates the variation in daylight duration in Karlovac throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 7m10h 22m11h 56m13h 32m14h 55m15h 37m15h 15m14h 1m12h 29m10h 53m9h 28m8h 44m
Data source: Karlovac daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Karlovac

As April settles into Karlovac, Croatia, the air feels crisp and invigorating with an average wind speed of 2.0 m/s (5 mph), mirroring the gentle breezes of the preceding winter months. This consistent wind speed reflects a transitional period, heralding the warmth of spring while maintaining a delightful coolness. Interestingly, the winds remain steady compared to March, with only a slight uptick expected in May. The pattern reveals that as the region moves towards the vibrant summer months, wind speeds tend to fluctuate, dipping slightly in the peak of summer before rising again in the autumn. Overall, April's breezy charm serves as a refreshing reminder of nature's rhythm in Karlovac.

Average April Wind Speed in Karlovac

The chart displays monthly wind speed patterns in Karlovac, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.12.02.0 m/s2.11.61.71.61.62.01.61.6
Data source: Karlovac April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Karlovac Compares to Other Months

The weather in Karlovac changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Karlovac and find detailed weather information for every month.

April and January in Karlovac present quite a contrast in weather conditions. In April, temperatures range from a minimum of -10°C (14°F) to an average of 11°C (53°F), peaking at a maximum of 29°C (84°F). This month experiences an average precipitation of 78 mm (3.1 in) over 10 days, coupled with a humidity level of 72%. In comparison, January is much colder, with temperatures dipping to a minimum of -16°C (3°F) and an average of 1°C (34°F), while reaching a maximum of only 16°C (61°F). Precipitation in January is lower, at 55 mm (2.1 in) over 10 days, yet it has a higher humidity level of 89%. For a detailed look at January weather, you can visit Karlovac weather in January.

When comparing the weather in April and February, we see notable differences in temperature and humidity. In April, the average temperature rises to 11°C (53°F), with maximums reaching up to 29°C (84°F), making it significantly warmer than February, which has an average temperature of just 4°C (40°F) and peaks at 21°C (70°F). Both months experience similar precipitation levels, with April recording 78 mm (3.1 in) and February slightly higher at 81 mm (3.2 in), each with precipitation occurring over 10 days. Humidity is also slightly higher in February at 83%, compared to April's 72%. For more detailed information on February weather, you can check Karlovac weather in February.

In comparing the weather between March and April, April generally exhibits milder temperatures, with a minimum of -10°C (14°F), an average of 11°C (53°F), and a maximum of 29°C (84°F). This is a notable increase from March's minimum of -13°C (9°F) and average of 7°C (45°F), though both months see relatively cool maximum temperatures, with March peaking at 23°C (73°F). Precipitation also varies, as April brings slightly more rain at 78 mm (3.1 in) over 10 days, compared to March's 59 mm (2.3 in) over 9 days. Humidity levels are comparable, at 72% in April and 75% in March. For more detailed information on March weather, you can visit Karlovac weather in March.

April and May exhibit a notable transition in weather patterns. While April experiences a range of temperatures with a minimum of -10°C (14°F) and an average of 11°C (53°F), May sees a significant increase, with temperatures ranging from a minimum of 1°C (35°F) to an average of 16°C (61°F). Precipitation also increases from 78 mm (3.1 in) over 10 days in April to 129 mm (5.1 in) over 18 days in May, indicating a wetter month ahead. Despite the higher precipitation in May, the humidity remains relatively stable at 70%, compared to April's 72%. For more specific weather details, you can check Karlovac weather in May.

In comparing the weather between April and June, April experiences a broader range of temperatures, with minimums dropping to -10°C (14°F) and maximums reaching up to 29°C (84°F). On average, April sees a temperature of 11°C (53°F) and notable humidity at 72%, accompanied by 78 mm (3.1 in) of precipitation over approximately 10 days. In contrast, June enjoys milder temperatures, with a minimum of 7°C (45°F) and a maximum soaring to 36°C (98°F), averaging around 21°C (71°F). Although June has slightly less precipitation at 71 mm (2.8 in) over 9 days, the humidity is marginally lower at 69%. For a closer look at what June has to offer, check out Karlovac weather in June.

April and July offer quite different weather experiences. In April, temperatures can range from a chilly -10°C (14°F) to a comfortable 29°C (84°F), with an average of 11°C (53°F). This month sees about 78 mm (3.1 in) of precipitation over approximately 10 days and maintains a humidity level of 72%. In contrast, July presents much warmer conditions, with minimum temperatures of 9°C (49°F) and maximums soaring to 36°C (97°F) and an average of 22°C (73°F). The month has slightly higher precipitation at 84 mm (3.3 in) over the same number of days, but the humidity dips to 64%. For a closer look at July weather, you can explore Karlovac weather in July.

April and August present contrasting weather profiles. In April, temperatures swing from a chilly minimum of -10°C (14°F) to a pleasant average of 11°C (53°F) and can peak at 29°C (84°F). The month sees 78 mm (3.1 in) of precipitation over about 10 days, accompanied by relatively high humidity at 72%. In comparison, August experiences much warmer conditions, with temperatures ranging from a minimum of 8°C (47°F) to an average of 22°C (73°F), and reaching a maximum of 40°C (104°F). Precipitation is slightly higher at 82 mm (3.2 in) over just 9 days, but humidity drops significantly to 51%. For more insights on August weather patterns, you can check out Karlovac weather in August.

April and September present distinct weather characteristics, reflecting the transition between seasons. In April, temperatures can vary significantly, with a minimum of -10°C (14°F) to a maximum of 29°C (84°F) and an average of 11°C (53°F). The month also experiences about 78 mm (3.1 in) of rainfall over approximately 10 days, paired with a humidity level of 72%. In contrast, September offers a slightly warmer climate, with temperatures ranging from a cool 3°C (38°F) to a hot 34°C (93°F) and an average of 17°C (63°F). It sees higher rainfall at 114 mm (4.5 in) spread across 11 days, along with a lower humidity level of 62%. For more details on weather trends in September, you can check Karlovac weather in September.

April and October showcase distinct weather patterns, reflecting the transition between seasons. In April, temperatures can range from a chilly -10°C (14°F) at night to a warm 29°C (84°F) during the day, with an average of 11°C (53°F). This month typically experiences 78 mm (3.1 in) of rainfall over about 10 days, accompanied by a humidity level of 72%. In contrast, October temperatures are milder, ranging from 0°C (32°F) at night to a maximum of 26°C (79°F), with an average of 12°C (54°F). This fall month is slightly wetter, with 102 mm (4.0 in) of precipitation spread over 9 days and a higher humidity of 81%. For more insights into this month’s climate, check out Karlovac weather in October.

When comparing the weather in April and November, one can observe distinct differences in temperature and precipitation patterns. In April, temperatures range from a minimum of -10°C (14°F) to a warm maximum of 29°C (84°F), with an average temperature of 11°C (53°F). The month experiences about 78 mm (3.1 in) of precipitation over roughly 10 days, accompanied by a humidity level of 72%.

In contrast, November features milder temperatures, with minimums around -4°C (26°F) and maximums peaking at 21°C (70°F), resulting in an average of 7°C (46°F). This month sees increased precipitation, totaling 106 mm (4.2 in) over approximately 13 days, and a higher humidity of 87%. For more detailed information about November weather, you can visit Karlovac weather in November.

April and December present quite contrasting weather conditions. In April, temperatures range from a minimum of -10°C (14°F) to a maximum of 29°C (84°F), with an average of 11°C (53°F). This month experiences about 78 mm (3.1 in) of precipitation over approximately 10 days, accompanied by a relative humidity of 72%. In contrast, December is chillier, with temperatures dipping to a minimum of -11°C (13°F) and peaking at 18°C (65°F), averaging just 3°C (38°F). December receives more precipitation at 104 mm (4.1 in), spread over about 13 days, and a higher humidity level of 88%. For more detailed insights into December weather, you can check Karlovac weather in December.

Compare Karlovac's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Karlovac

April in Karlovac heralds a notable transition in the climate, bringing warmer temperatures and increased humidity compared to the chill of earlier months. With maximums reaching up to 29°C, the city begins to shed its winter coat, while the average temperature stands at a mild 11°C, setting the stage for blooming landscapes. Although April sees a fair amount of precipitation—with about 10 days of rain—the overall atmosphere remains fresh and invigorating. This month serves as a perfect prelude to the vibrant summer ahead, making it an exciting time to experience Karlovac's beauty. For more detailed insights, explore the full details on Karlovac Climate.