April Weather in Izola, Slovenia

Last updated: August 27, 2025

April in Izola, Slovenia is characterized by a delightful mix of springtime warmth and occasional showers. The maximum temperature can reach a pleasant 25°C (77°F), while the average sits at a comfortable 13°C (55°F). Visitors can expect some crisp moments, with a minimum temperature dropping to 1°C (34°F). Over the course of the month, precipitation totals around 103 mm (4.0 in), spread across approximately 10 days, contributing to the lush, vibrant landscape of this coastal town. With a humidity level of 73%, the air feels fresh and invigorating, making April an enchanting time to explore Izola's scenic vistas and rich cultural offerings.

April Temperature in Izola

In April, Izola, Slovenia, emerges from winter's embrace with a refreshing shift in temperatures that heralds the arrival of spring. The minimum temperature rises to 1°C (34°F), while the average temperature reaches a comfortable 13°C (55°F), peaking at a delightful 25°C (77°F). This month marks a notable transition, as the landscape transforms under the warming sun and outdoor activities become more appealing. Compared to the earlier months, April showcases a remarkable increase in warmth, inviting both locals and visitors to savor the blossoming beauty of coastal Slovenia. With each passing day, the temperatures hint at the vibrant summer ahead, making April an exciting time to explore all that this charming town has to offer.

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

The chart illustrates April temperature patterns in Izola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Izola, 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).
JanFebMarAprMayJunJulAugSepOctNovDec404448556272757668595144
Data source: Temperature data for Izola 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 Izola

In April, Izola experiences a significant uptick in precipitation, recording 103 mm (4.0 in) over approximately 10 rainy days. This marks a notable increase from March's 71 mm (2.8 in), indicating a shift towards springtime rainfall that precedes the more abundant showers of May, which can total as high as 142 mm (5.6 in). April's precipitation serves as a transitional phase, bridging the drier early months of the year and the wetter late spring, while maintaining a consistent pattern of rain that nurtures the lush landscapes of Slovenia’s coastal region. With the arrival of April, not only does the moisture soar, but the frequency of rain also aligns with the seasonal awakening of flora, creating a vibrant tapestry of growth in this picturesque locale.

April Precipitation Trends in Izola

The chart displays monthly precipitation patterns in Izola, 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 Izola, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5611872103142876570164107176150
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Izola

In April, the humidity in Izola, Slovenia remains steady at 73%, mirroring the decline seen since the colder months. Following a high of 88% in January, the humidity gradually decreased, reaching its lowest in summer months. This plateau in April indicates a transitional phase as spring settles in, with moisture levels still significantly higher than the drier summer period that follows. As the months progress towards May, a further drop to 70% suggests a gradual shift towards a more comfortable climate, allowing residents and visitors alike to enjoy the blossoming outdoor landscape while still benefiting from a moderate level of humidity.

April Average Humidity in Izola

This chart illustrates the average monthly humidity levels in Izola, 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 Izola is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Izola

As April arrives in Izola, Slovenia, residents and visitors should be prepared for a noticeable uptick in UV exposure, with the UV Index reaching 6, placing it in the high exposure category. This means that even a short time in the sun can lead to skin damage, with a burn time of just 25 minutes for those who are fair-skinned. Compared to the earlier months, where the UV Index was relatively low and moderate, April marks a shift towards warmer weather and heightened sun intensity. Following this trend, May and June will bring even higher UV levels, indicating the need for proactive sun protection measures. For detailed insights and updates on UV exposure throughout the year, visit Izola UV Index.

Maximum UV Index Levels in Izola for April

The chart shows the monthly maximum UV Index (UVI) for Izola 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 Izola typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Izola 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 Izola

April in Izola, Slovenia, embraces a splendid transition into spring, boasting 344 hours of sunshine—a vibrant increase from the 315 hours recorded in March. This upward trend in sunlight continues into May, where the days grow even brighter with 372 hours. The gradual accumulation of sunny hours reflects the area's shifting climate, enhancing its allure as a seasonal destination. As residents and visitors revel in this sunny stretch, April becomes a glorious prelude to the sun-soaked summer months, setting the stage for the longer, warmer days of June and July, which peak at 417 and 430 hours respectively. This pattern not only highlights Izola's charming winter-spring awakening but also underscores its appeal for those seeking the radiant embrace of the Mediterranean sun.

Monthly Sunshine Duration in Izola: April Highlighted

The April sunshine duration represents the total number of hours Izola 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.
JanFebMarAprMayJunJulAugSepOctNovDec182h223h315h344h372h417h430h397h326h293h229h207h
Data source: Izola April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Izola During April

In Izola, Slovenia, the chance of sunny weather experiences notable fluctuations throughout the year. After a promising March with a 63% likelihood of sunshine, April sees a dip to 43%, indicating a slightly less frequent chance of clear skies as spring progresses. However, this trend of variability is not unusual, as the months following April—particularly May and June—show a gradual increase in sunny days, with June hitting 55%. Despite April's relative decrease, it remains a season of transition, hinting at the warmth and brightness that loom on the horizon. As we navigate these changes in weather, there’s a palpable anticipation for the sunnier days that are just around the corner.

Percentage of Sunny Days in April in Izola

The chart illustrates the percentage of sunny days in Izola 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 Izola experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%41%63%44%40%55%51%61%59%50%37%38%
Data source: Izola April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Izola in April

As spring unfolds in Izola, Slovenia, April brings a delightful increase in daylight duration, reaching 13 hours. This notable jump from March's 11 hours heralds the longer, sunnier days that characterize the season. It marks the continuation of a positive trend; after the dark and chilly months of winter, each month leads to brighter skies. Following April, May promises even more sunshine with 14 hours of daylight, while the summer months of June and July maintain this brightness, peaking at 15 hours. The gradual ascent in daylight hours not only rejuvenates the landscape but also invites residents and visitors alike to engage in outdoor activities and relish the vibrant spring atmosphere.

Average Daylight Hours in Izola for April

The chart illustrates the variation in daylight duration in Izola throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 8m10h 22m11h 56m13h 32m14h 55m15h 37m15h 15m14h 1m12h 29m10h 53m9h 28m8h 44m
Data source: Izola daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Izola

As April arrives in Izola, Slovenia, the wind begins to pick up, matching the average speed of 3.0 m/s (7 mph), the same as January. This transitional month brings a refreshing breeze that invigorates the coastal atmosphere, hinting at the warmer days ahead. Following April, May sees a slight increase to 3.2 m/s (7 mph), suggesting that the winds continue to enhance the spring ambiance. Interestingly, the wind speed dips during the summer months of June and July, dropping to 2.2 m/s (5 mph) and 2.5 m/s (6 mph), before gradually picking up again in the fall, notably reaching 3.6 m/s (8 mph) in October. Overall, April serves as a delightful bridge, paving the way for the season's transition while maintaining a steady and pleasant breeze that characterizes the charming coastal town.

Average April Wind Speed in Izola

The chart displays monthly wind speed patterns in Izola, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.02.82.63.0 m/s3.22.22.52.82.43.63.72.3
Data source: Izola April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Izola Compares to Other Months

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

When comparing the weather in April and January, it's clear that April brings significantly milder temperatures with a minimum of 1°C (34°F) and an average of 13°C (55°F), peaking at a maximum of 25°C (77°F). In contrast, January is much colder, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (56°F) and an average of just 5°C (41°F). Furthermore, April sees more precipitation, accumulating 103 mm (4.0 in) over about 10 days, compared to January's 56 mm (2.2 in) over 7 days. Additionally, humidity levels are slightly lower in April at 73%, compared to January's higher 88%. For more details on the January climate, visit Izola weather in January.

When comparing the weather in April and February, notable differences emerge. April experiences milder temperatures, with a minimum of 1°C (34°F) and an average of 13°C (55°F), while February is much colder, with temperatures dipping to a minimum of -6°C (22°F). Additionally, the maximum temperature in April can reach up to 25°C (77°F), significantly higher than February's peak of 19°C (67°F). Precipitation levels are somewhat similar, with April receiving 103 mm (4.0 in) over 10 days compared to February's 118 mm (4.6 in) during the same number of days, although February is noticeably more humid at 82% versus April's 73%. For a closer look at February's climate specifics, check out Izola weather in February.

April weather features a milder temperature range compared to March, with minimums around 1°C (34°F) and maximums reaching up to 25°C (77°F), resulting in an average of 13°C (55°F). In contrast, March experiences lower temperatures, with a minimum of -7°C (20°F) and a maximum of 21°C (70°F), averaging just 9°C (48°F). Additionally, April sees increased precipitation, totaling 103 mm (4.0 in) over 10 days, while March has less rainfall at 71 mm (2.8 in) across 8 days. Both months maintain consistent humidity levels of 73%. For more detailed insights, you can check out Izola weather in March.

In comparing the weather between April and May, it is evident that May experiences a noticeable increase in temperature, with minimums rising from 1°C (34°F) in April to 7°C (46°F), and average highs reaching up to 27°C (81°F). However, this warmth comes alongside increased rainfall, with May seeing 142 mm (5.6 in) of precipitation over 17 days, compared to April's 103 mm (4.0 in) over just 10 days. Humidity levels slightly decrease from 73% in April to 70% in May, contributing to a more comfortable atmosphere as spring progresses. For more specific details about the weather in May, you can check Izola weather in May.

April weather tends to be cooler, with temperatures ranging from a brisk 1°C (34°F) to a maximum of 25°C (77°F), averaging around 13°C (55°F). The month sees about 103 mm (4.0 in) of precipitation over approximately 10 days, coupled with a relatively high humidity of 73%.

In contrast, June brings warmer temperatures, with lows at 11°C (53°F) and highs reaching up to 33°C (92°F), averaging 22°C (72°F). Precipitation decreases to 87 mm (3.4 in) over just 8 days, and humidity drops slightly to 69%. This shift makes June significantly warmer and drier compared to April, making it an ideal time for outdoor activities and enjoying the sun. For more information, you can check out Izola weather in June.

April and July present distinctly different weather patterns. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant maximum of 25°C (77°F), averaging around 13°C (55°F). The month also sees 103 mm (4.0 in) of rainfall over about 10 days, accompanied by a relatively high humidity level of 73%. In contrast, July boasts much warmer temperatures, with a minimum of 16°C (61°F) and a maximum reaching up to 33°C (91°F), averaging 24°C (75°F). This summer month experiences less precipitation at 65 mm (2.6 in) over just 8 days, and the humidity drops to a more comfortable 63%. For a closer look at July weather specifics, you can visit Izola weather in July.

April and August present contrasting weather experiences, with April featuring cooler temperatures that range from a minimum of 1°C (34°F) to a maximum of 25°C (77°F), and an average of 13°C (55°F). The month also sees significant precipitation, averaging 103 mm (4.0 in) over about 10 days, accompanied by a higher humidity level of 73%. In stark contrast, August enjoys much warmer conditions, with temperatures ranging from a minimum of 15°C (59°F) to a sweltering maximum of 34°C (94°F), and an average of 25°C (77°F). This month experiences less rainfall, totaling 70 mm (2.7 in) over just 7 days, and lower humidity at 51%. For more details about August weather, you can check Izola weather in August.

April and September present distinct weather patterns, reflecting the transitional nature of spring and fall. In April, temperatures range from a chilly minimum of 1°C (34°F) to a pleasant average of 13°C (55°F), peaking at 25°C (77°F). The month experiences about 103 mm (4.0 inches) of precipitation over 10 days, paired with a higher humidity level of 73%. In contrast, September boasts milder temperatures, with a minimum of 9°C (49°F), an average of 20°C (68°F), and a maximum of 32°C (90°F). This month also sees increased rainfall, totaling 164 mm (6.4 inches) over the same number of days, though it has a lower humidity level of 64%. For more insights on September weather specifically, check out Izola weather in September.

April and October both present mild temperatures, but with distinct characteristics. In April, the temperature ranges from a chilly 1°C (34°F) at its lowest to a warm 25°C (77°F) at its peak, averaging around 13°C (55°F). The month sees approximately 103 mm (4.0 in) of precipitation over about 10 days, accompanied by a humidity level of 73%. In contrast, October experiences slightly warmer temperatures, with minimums around 6°C (44°F) and maximums reaching 23°C (74°F), averaging at 15°C (59°F). Additionally, precipitation increases marginally to 107 mm (4.2 in) over the same number of days, but humidity rises to 83%, creating a more pronounced dampness in the air. For more detailed insights into October weather, visit Izola weather in October.

April and November present distinct differences 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 around 103 mm (4.0 in) of precipitation over approximately 10 days, with a humidity level of 73%. In contrast, November sees cooler temperatures, with a maximum of 20°C (68°F) and an average of 11°C (52°F), while maintaining a minimum of 1°C (34°F). Precipitation is higher in November at 176 mm (6.9 in) over 12 days, accompanied by increased humidity at 89%. For a more detailed look at the weather in November, check out Izola weather in November.

April and December showcase distinctly different weather patterns. In April, temperatures range from a minimum of 1°C (34°F) to a pleasant average of 13°C (55°F), peaking at 25°C (77°F) on warmer days. The month typically sees about 103 mm (4.0 in) of precipitation over 10 days, with a humidity level of 73%. In contrast, December experiences cooler temperatures, with a minimum of -1°C (30°F) and an average of only 7°C (44°F), with highs reaching 15°C (60°F). The precipitation in December is higher at 150 mm (5.9 in) over 12 days, and humidity rises to 88%. For a detailed look at December weather, visit Izola weather in December.

Compare Izola's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Izola

April in Izola is a delightful transition from the chill of winter to the warmth of spring. With temperatures on the rise, you can expect milder days where an afternoon at 25°C feels just right, especially compared to the colder months. However, the occasional chilly nights remind us that the season is still in flux. Precipitation is also a factor, with about ten days of rain, which helps rejuvenate the lush greenery typical of this time. With an overall humidity of 73%, the atmosphere can feel quite refreshing, making it a perfect month for those who enjoy the invigorating scent of spring rain and blooming nature. For more insights on what to expect throughout the year, check out Izola Climate.