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May Weather in Kastelir, Croatia

Last updated: August 23, 2025

In May, the average temperature in Kastelir, Croatia is a comfortable 17°C (63°F). Expect a range with a minimum of 7°C (46°F) and a maximum of 27°C (81°F). Be prepared for some rain, as 127 mm (5.0 in) of precipitation is likely over 17 days. With an average humidity of 70%, the month can feel quite humid, enhancing the vibrant atmosphere of this locale.

May Temperature in Kastelir

In May in Kastelir, the average temperature is 17°C (63°F). The maximum can reach 27°C (81°F), while the minimum can drop to as low as 7°C (46°F). This makes Kastelir a pleasant destination for travelers seeking comfortable weather during this time of year.

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

The chart illustrates May temperature patterns in Kastelir, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kastelir, May typically has an average temperature of 17°C (63°F), with highs reaching up to 27°C (81°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548556372757768595245
Data source: Temperature data for Kastelir 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 Kastelir

In Kastelir in May, the precipitation amount is 127 mm (5.0 in) over the course of 17 days.

May Precipitation Trends in Kastelir

The chart displays monthly precipitation patterns in Kastelir, 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 Kastelir, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec51108648912771586114790148137
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kastelir

In Kastelir in May humidity is 70%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making travel both refreshing and slightly sticky, as you navigate the air thick with moisture.

May Average Humidity in Kastelir

This chart illustrates the average monthly humidity levels in Kastelir, 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 Kastelir is approximately 70%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Kastelir

In Kastelir 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 Kastelir.

Maximum UV Index Levels in Kastelir for May

The chart shows the monthly maximum UV Index (UVI) for Kastelir 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 Kastelir typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Kastelir 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 Kastelir Compares to Other Months

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

This table compares monthly weather conditions in Kastelir, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)51 mm (2.0 inches)88%low
February Weather7°C (45°F)108 mm (4.3 inches)82%moderate
March Weather9°C (48°F)64 mm (2.5 inches)73%moderate
April Weather13°C (55°F)89 mm (3.5 inches)73%high
May Weather17°C (63°F)127 mm (5.0 inches)70%very high
June Weather22°C (73°F)71 mm (2.8 inches)69%very high
July Weather24°C (76°F)58 mm (2.3 inches)63%very high
August Weather25°C (77°F)61 mm (2.4 inches)51%very high
September Weather20°C (68°F)147 mm (5.8 inches)64%high
October Weather15°C (60°F)89 mm (3.5 inches)83%moderate
November Weather11°C (52°F)148 mm (5.8 inches)89%moderate
December Weather7°C (45°F)137 mm (5.4 inches)88%low

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