Weather in Rijeka in October 2025
Average weather
Average temperature in Rijeka in October
The expected average maximum temperature in October is +22°C with a maximum of +27°C and a minimum of +8°C.
The average maximum temperature goes down 37% by the end of the month, compared with the beginning of the month, from +26°C to +19°C.
Is Rijeka warm or cold in October?
Rijeka is typically mild in October.
Maximum temperatures go down compared to the previous month from +24°C to +19°C. The minimum temperature also goes down from +16°C to +12°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how October is compared to other months in Rijeka:
Water temperature in Rijeka in October
Water in Rijeka in October is Fresh. It varies from +16°C to +22°C, with an average of +19°C. This is almost similar to the air temperature, which averages +19°C.
In October, water temperatures are average relative to the rest of the year:
Can you swim in Rijeka in October?
Climate in Rijeka in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +24°C | +19°C | +14°C | ||||
| Min. temperature | ||||||
| +9°C | +2°C | -5°C | ||||
| Max. temperature | ||||||
| +33°C | +28°C | +25°C | ||||
| Rainfall | ||||||
| 221 mm | 261 mm | 280 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +23°C | +19°C | +16°C | ||||
| Humidity | ||||||
| 67% | 72% | 73% | ||||
| Air pressure | ||||||
| 1015 HPa | 1017 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 11 | 10 | 7 | ||||
| Cloudy days | ||||||
| 5 | 5 | 6 | ||||
| Rainy days | ||||||
| 11 | 14 | 14 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
October weather is still as good as in September. It’s getting colder in October. From +24°C in the day, the average maximum temperature lowers to +19°C. Prepare for more rain. Average rainfall goes from 221 mm to 261 mm. Humidity rises from 67% to 72%. The average wind speed doesn’t change much during October, staying around 2 m/s. The days becoming less sunny, going from 11 sunny days in September to 10 in October.
Next month (November) brings a further decline in the weather.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Rijeka is gradually increasing during October, going from 2 m/s to 4 m/s over the course of the month.
Rain
How was the weather last October in Rijeka?
Climate Change over Years
The climate in Rijeka in October has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+16°C) and the highest in 2011 (+20°C). The driest year was 2003 with only 1149 mm of rainfall, and the wettest year was 2019 with 4603 mm.
FAQ
Is October a good time to visit Rijeka?
Can you sunbathe in Rijeka in October?
Can you swim in Rijeka in October?
Is Rijeka rainy in October?
Is it sunny in Rijeka in October?
Other cities in Croatia
Monthly weather in Rijeka
Source of the data
For this page, we’ve looked at the typical weather in Rijeka, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.