The highest day temperature in November 2025 was 67°F. The lowest night temperature was 38°F. The average values for day and night temperatures during November were 55.6°F и 51.4°F respectivly.

The average sea surface temperature in November 2025 for Istria was 63.0°F. The maximum and minimum values were 59.6°F and 64.8°F respectively.

You can expect various weather conditions during November. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in November for Istria is 3.3 in. It makes november one of the most rainy months of the year.

The average wind speed in November is 8.1 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Istria in November is 5.4 hours.