May Weather in Ostarije, Croatia

Last updated: August 23, 2025

In May, the average temperature in Ostarije, Croatia is a pleasant 15°C (59°F). However, be prepared for temperature fluctuations, as it can drop as low as 0°C (33°F) and soar up to 30°C (86°F). During this month, you can expect approximately 155 mm (6.1 in) of precipitation over about 19 days, making for a 70% average humidity that adds to the area's moisture-rich atmosphere.

May Temperature in Ostarije

In May in Ostarije, the average temperature is 15°C (59°F), with a maximum that can reach 30°C (86°F) and a minimum that can drop as low as 0°C (33°F). This variation in temperature makes it essential for travelers to pack layers to comfortably adapt to the changing conditions.

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

The chart illustrates May 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, May typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around 0°C (33°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.

May Precipitation in Ostarije

In Ostarije in May, the total precipitation amount is 155 mm (6.1 in), which occurs over the course of 19 days.

May Precipitation Trends in Ostarije

The chart displays monthly precipitation patterns in Ostarije, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Ostarije, May typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec741047594155698991144115130131
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ostarije

In Ostarije in May, humidity is 70%. With an average temperature of 15°C (59°F), this humidity feels like a warm embrace, making it slightly uncomfortable while traveling, as the moist air clings to your skin and can leave you feeling slightly lethargic.

May Average Humidity in Ostarije

This chart illustrates the average monthly humidity levels in Ostarije, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Ostarije is approximately 70%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Ostarije

In Ostarije in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Ostarije.

Maximum UV Index Levels in Ostarije for May

The chart shows the monthly maximum UV Index (UVI) for Ostarije in May, 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 May, the maximum UV index in Ostarije typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Ostarije May 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 May 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 May’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 May’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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