nomadseason

April Weather in Kostrena, Croatia

Last updated: August 23, 2025

In April, the average temperature in Kostrena, Croatia hovers around 11°C (52°F). Expect a range where the minimum dips to -3°C (26°F) and the maximum can hit 23°C (74°F). With an average humidity of 73%, be prepared for a potential precipitation of 110 mm (4.3 in) spread over 11 days.

April Temperature in Kostrena

In April in Kostrena, the average temperature is 11°C (52°F). The maximum can reach 23°C (74°F) and the minimum can be as low as -3°C (26°F). This varied climate makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates April temperature patterns in Kostrena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kostrena, April typically has an average temperature of 11°C (52°F), with highs reaching up to 23°C (74°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec374245525969727364554841
Data source: Temperature data for Kostrena 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 Kostrena

In Kostrena in April, the precipitation amount is 110 mm (4.3 in) spread over 11 days.

April Precipitation Trends in Kostrena

The chart displays monthly precipitation patterns in Kostrena, 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 Kostrena, April typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec105168115110164748572195162204227
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Kostrena

In Kostrena in April humidity is 73%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that creeps into your bones, making outdoor exploration tricky but invigorating, as the cool air and moisture combine to create a refreshing yet slightly uncomfortable atmosphere for traveling.

April Average Humidity in Kostrena

This chart illustrates the average monthly humidity levels in Kostrena, 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 Kostrena is approximately 73%, 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 Kostrena

In Kostrena in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Kostrena, you can refer to this Hourly UV Index in Kostrena.

Maximum UV Index Levels in Kostrena for April

The chart shows the monthly maximum UV Index (UVI) for Kostrena 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 Kostrena typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Kostrena 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 Kostrena Compares to Other Months

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

This table compares monthly weather conditions in Kostrena, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)105 mm (4.1 inches)88%low
February Weather5°C (42°F)168 mm (6.6 inches)82%moderate
March Weather7°C (45°F)115 mm (4.5 inches)73%moderate
April Weather11°C (52°F)110 mm (4.3 inches)73%high
May Weather15°C (59°F)164 mm (6.5 inches)70%very high
June Weather20°C (69°F)74 mm (2.9 inches)69%very high
July Weather22°C (72°F)85 mm (3.3 inches)63%very high
August Weather23°C (73°F)72 mm (2.8 inches)51%very high
September Weather18°C (64°F)194 mm (7.7 inches)64%high
October Weather13°C (56°F)162 mm (6.4 inches)83%moderate
November Weather9°C (48°F)204 mm (8.0 inches)89%moderate
December Weather5°C (41°F)226 mm (8.9 inches)88%low

Compare Kostrena's Climate with Cities Worldwide