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April Weather in Ostarije, Croatia

Last updated: August 23, 2025

In April, the average temperature in Ostarije, Croatia hovers around 11°C (51°F). Expect a range that dips to a chilly -9°C (17°F) at its lowest and can soar up to a warm 27°C (81°F). With an average precipitation of 93 mm (3.7 in) spread over 11 days, and humidity levels lingering around 72%, be prepared for a variety of weather conditions!

April Temperature in Ostarije

In April in Ostarije, the average temperature is 11°C (51°F). Maximum temperatures can reach 27°C (81°F), while minimum temperatures can drop as low as -9°C (17°F). Travelers should be prepared for a wide range of weather conditions during this time.

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

The chart illustrates April temperature patterns in Ostarije, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostarije, April typically has an average temperature of 11°C (51°F), with highs reaching up to 27°C (81°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec343943515868717161534538
Data source: Temperature data for Ostarije 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 Ostarije

In Ostarije in April, the precipitation amount is 93 mm (3.7 in) over the course of 11 days, indicating that rain is expected to be fairly frequent during that time.

April Precipitation Trends in Ostarije

The chart displays monthly precipitation patterns in Ostarije, 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 Ostarije, April typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec741047594155698991144115130131
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Ostarije

In Ostarije in April, humidity is 72%. With an average temperature of 11°C (51°F), this humidity feels like a chilly dampness that clings to your skin, making traveling a bit uncomfortable and urging you to dress in layers to stay warm and dry.

April Average Humidity in Ostarije

This chart illustrates the average monthly humidity levels in Ostarije, 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 Ostarije is approximately 72%, offering insight into how humid the weather typically is during this month.
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 Ostarije

In Ostarije in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Ostarije.

Maximum UV Index Levels in Ostarije for April

The chart shows the monthly maximum UV Index (UVI) for Ostarije 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 Ostarije typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Ostarije 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.

How April Weather in Ostarije Compares to Other Months

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

This table compares monthly weather conditions in Ostarije, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)74 mm (2.9 inches)89%low
February Weather4°C (40°F)104 mm (4.1 inches)83%moderate
March Weather6°C (43°F)75 mm (3.0 inches)75%moderate
April Weather11°C (51°F)93 mm (3.7 inches)72%high
May Weather15°C (59°F)155 mm (6.1 inches)70%very high
June Weather20°C (69°F)69 mm (2.7 inches)69%very high
July Weather22°C (71°F)89 mm (3.5 inches)64%very high
August Weather22°C (71°F)91 mm (3.6 inches)51%very high
September Weather16°C (61°F)144 mm (5.7 inches)62%high
October Weather12°C (53°F)115 mm (4.5 inches)81%moderate
November Weather7°C (45°F)130 mm (5.1 inches)87%moderate
December Weather3°C (38°F)131 mm (5.2 inches)88%low

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