April Weather in Istria, Romania

Last updated: August 27, 2025

In April, the average temperature in Istria, Romania hovers around 10°C (51°F). Expect a minimum of 2°C (36°F) and a comfortable maximum of 21°C (69°F). This month brings about 30 mm (1.2 in) of precipitation spread over 6 days, contributing to an average humidity of 76%. Prepare for a mix of chill and warmth as you navigate the weather!

April Temperature in Istria

In April in Istria, the average temperature is 10°C (51°F). Maximums can reach 21°C (69°F) and minimums can be as low as 2°C (36°F). This makes it an ideal time for travelers who enjoy mild weather and outdoor activities.

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

The chart illustrates April temperature patterns in Istria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Istria, April typically has an average temperature of 10°C (51°F), with highs reaching up to 21°C (69°F) and lows dropping to around 2°C (36°F).

Data source: Temperature data for Istria generated using information from the Copernicus Climate Change Service.

April Precipitation in Istria

In Istria in April, the total precipitation amount is 30 mm (1.2 in) spread across 6 days.

April Precipitation Trends in Istria

The chart displays monthly precipitation patterns in Istria, 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 Istria, April typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Istria

In Istria in April, humidity is 76%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that can make outdoor excursions feel much colder, requiring extra layers for comfort as you explore the area.

April Average Humidity in Istria

This chart illustrates the average monthly humidity levels in Istria, 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 Istria is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Istria

In Istria 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 Istria.

Maximum UV Index Levels in Istria for April

The chart shows the monthly maximum UV Index (UVI) for Istria 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 Istria typically reaches 7, which falls under the high exposure category.

Data source: Istria 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 Istria Compares to Other Months

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

This table compares monthly weather conditions in Istria, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	46 mm (1.8 inches)	87%	low
February Weather	4°C (40°F)	42 mm (1.7 inches)	83%	moderate
March Weather	6°C (43°F)	42 mm (1.7 inches)	80%	moderate
April Weather	10°C (51°F)	30 mm (1.2 inches)	76%	high
May Weather	16°C (61°F)	35 mm (1.4 inches)	73%	very high
June Weather	21°C (71°F)	73 mm (2.9 inches)	68%	very high
July Weather	24°C (75°F)	47 mm (1.9 inches)	65%	very high
August Weather	25°C (76°F)	14 mm (0.6 inches)	53%	very high
September Weather	20°C (69°F)	22 mm (0.9 inches)	61%	high
October Weather	15°C (59°F)	46 mm (1.8 inches)	77%	moderate
November Weather	10°C (50°F)	48 mm (1.9 inches)	85%	moderate
December Weather	6°C (43°F)	63 mm (2.5 inches)	86%	low