October weather forecast
Portorož, Slovenia

October intensifies the arrival of autumn in Portorož, reinforcing the conditions set by September. As temperatures begin to get cooler, fall foliage starts to spring around the city. Despite a higher monthly average rainfall than September, October still caters to outdoor activities. Visitors to the city during this month will find it less crowded, with rainfall making the scenery notably picturesque.

Temperature

Transition into October subtly marks a drop in the average high-temperature, moderately moving from a warm 23.9°C (75°F) in September to a refreshing 19°C (66.2°F). The average nighttime temperature lowers to a chilly 9.7°C (49.5°F) throughout October.

Humidity

In Portorož, the average relative humidity in October is 61%.

Rainfall

In October, in Portorož, the rain falls for 10.2 days. Throughout October, 121mm (4.76") of precipitation is accumulated. In Portorož, Slovenia, during the entire year, the rain falls for 113.1 days and collects up to 931mm (36.65") of precipitation.

Sea temperature

In Portorož, the average seawater temperature in October is 19°C (66.2°F).
Note: For the majority of people, swimming in water at 19°C (66.2°F) is not enjoyable. The challenge of controlling breathing escalates as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In October, the average length of the day in Portorož is 10h and 56min.
On the first day of the month, sunrise is at 07:04 and sunset at 18:45 CEST. On the last day of October, sunrise is at 06:44 and sunset at 16:54 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.

Sunshine

The average sunshine in October in Portorož is 5.4h.

UV index

In Portorož, Slovenia, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: During October, 3 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.