nomadseason

October Weather in Istria, Romania

Last updated: August 27, 2025

In October, the average temperature in Istria, Romania hovers around 15°C (59°F). You can expect temperatures to range from a cool 6°C (43°F) at night to a pleasant 24°C (76°F) during the day. With an average precipitation amount of 46 mm (1.8 in) over 5 days, be prepared for some showers. Also, don't forget that the average humidity is quite high at 77%, making for a cozy – if a bit sticky – atmosphere!

October Temperature in Istria

In October in Istria, the average temperature is 15°C (59°F). Maximums can reach 24°C (76°F), while minimums can drop to as low as 6°C (43°F). This mild climate makes Istria an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

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

The chart illustrates October 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, October typically has an average temperature of 15°C (59°F), with highs reaching up to 24°C (76°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec363943506171757669595042
Data source: Temperature data for Istria 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.

October Precipitation in Istria

In Istria in October, the precipitation amount is 46 mm (1.8 in) recorded over a span of 5 days.

October Precipitation Trends in Istria

The chart displays monthly precipitation patterns in Istria, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Istria, October typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec464242303573471422474863
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Istria

In Istria in October, humidity is 77%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it essential to stay hydrated and choose light, breathable clothing for comfortable travel.

October Average Humidity in Istria

This chart illustrates the average monthly humidity levels in Istria, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Istria is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%76%73%68%65%53%61%77%85%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Istria

In Istria in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Istria.

Maximum UV Index Levels in Istria for October

The chart shows the monthly maximum UV Index (UVI) for Istria in October, 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 October, the maximum UV index in Istria typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Istria October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)46 mm (1.8 inches)87%low
February Weather4°C (40°F)42 mm (1.7 inches)83%moderate
March Weather6°C (43°F)42 mm (1.7 inches)80%moderate
April Weather10°C (51°F)30 mm (1.2 inches)76%high
May Weather16°C (61°F)35 mm (1.4 inches)73%very high
June Weather21°C (71°F)73 mm (2.9 inches)68%very high
July Weather24°C (75°F)47 mm (1.9 inches)65%very high
August Weather25°C (76°F)14 mm (0.6 inches)53%very high
September Weather20°C (69°F)22 mm (0.9 inches)61%high
October Weather15°C (59°F)46 mm (1.8 inches)77%moderate
November Weather10°C (50°F)48 mm (1.9 inches)85%moderate
December Weather6°C (43°F)63 mm (2.5 inches)86%low

Compare Istria's Climate with Cities Worldwide