October Weather in Rijeka, Croatia

Last updated: March 17, 2025

In October, Rijeka, Croatia experiences a transition into autumn, showcasing a diverse weather palette. Expect daytime temperatures peaking at a comfortable 24°C (75°F) while dipping to an average of 13°C (56°F) and falling as low as 4°C (39°F) at night. With 162 mm (6.4 in) of precipitation over approximately 12 rainy days, the month can be quite wet, contributing to the region's lush landscapes. Humidity levels hover around 83%, creating a crisp atmosphere ideal for exploring the city’s rich cultural heritage and stunning coastal views.

October Temperature in Rijeka

As October settles into Rijeka, Croatia, the temperatures begin to shift, showcasing a delightful transition into autumn. With minimums averaging around 4°C (39°F) and highs peaking at 24°C (75°F), this month offers a comfortable climate for outdoor activities and exploration. The average temperature rests at a mild 13°C (56°F), hinting at a balance between lingering warmth from summer and the cool embrace of approaching winter. The gradual decline from the previous month’s balmy days signals a seasonal change, making October an ideal time to enjoy the stunning coastal scenery before the chill sets in. Overall, this month's weather presents a beautiful tapestry of mild days and crisp nights, perfect for savoring Rijeka's vibrant autumn charm.

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

The chart illustrates October temperature patterns in Rijeka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec374245525969727364554841
Data source: Temperature data for Rijeka generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Rijeka

In October, Rijeka experiences a significant shift in precipitation, with an average of 162 mm (6.4 in) falling over 12 rainy days. This marks a continuation of the wet season that begins to peak as the year progresses. Following a notably rainy September, which recorded 194 mm, October maintains the trend of heightened rainfall, though slightly less pronounced. The transition from the summer months, characterized by lower precipitation averages like 74 mm in June and 72 mm in August, is evident as autumn settles in, bringing a gradual increase in both rainfall and the number of rainy days. As November approaches, Rijeka's climate continues this wet pattern, with precipitation likely to reach even higher levels, confirming the onset of the Mediterranean autumn.

October Precipitation Trends in Rijeka

The chart displays monthly precipitation patterns in Rijeka, 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.
JanFebMarAprMayJunJulAugSepOctNovDec105168115110164748572195162204227
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Rijeka

In Rijeka, Croatia, October marks a shift in humidity levels, with the percentage rising to 83% after the relatively drier months of summer. This increase highlights a trend as the city transitions from the warmth of late summer, where humidity dipped to a pleasant 51% in August, to the more moist conditions of autumn and winter. Following a brief period of relief in September at 64%, October’s elevated humidity brings a marine freshness in the air, reminiscent of the city’s coastal charm. As the year progresses, humidity continues to climb, peaking in November at 89%, suggesting that Rijeka is gearing up for the wetter months ahead. This seasonal dance of humidity not only shapes the local climate but also influences the overall atmosphere of this picturesque coastal city.

October Average Humidity in Rijeka

This chart illustrates the average monthly humidity levels in Rijeka, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%73%73%70%69%63%51%64%83%89%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Rijeka

As October rolls in, Rijeka, Croatia, experiences a moderate UV Index of 5, signaling a shift from the intense sun of summer. This month's burn time increases slightly to 30 minutes, encouraging outdoor enthusiasts to soak in the beautiful fall scenery, but reminding them to take protective measures. Compared to the very high indices of the summer months—where exposure was limited to just 15 minutes—October offers a more forgiving sun, yet UV rays still warrant caution. As the days shorten and temperatures dip, the patterns reflect a gradual decline in UV strength, making October a bridge towards a safer sun exposure experience. For more detailed info, check out the Rijeka UV Index.

Maximum UV Index Levels in Rijeka for October

The chart shows the monthly maximum UV Index (UVI) for Rijeka 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.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Rijeka 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.

October Sunshine in Rijeka

As October rolls into Rijeka, Croatia, the city basks in a delightful 302 hours of sunshine, a testament to the lingering warmth of autumn. This marks a gentle decline from the sun-drenched summer months, where July dazzled with 432 hours and August followed closely with 401 hours. However, October's sunshine is still a generous gift when compared to earlier months; it outshines November's 233 hours and December's 223 hours. Overall, the trend reveals that as autumn deepens, Rijeka holds onto its radiant character longer than many might expect, offering a golden farewell to summer before the chill of winter sets in.

Monthly Sunshine Duration in Rijeka: October Highlighted

The October sunshine duration represents the total number of hours Rijeka experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec185h232h320h349h384h420h432h401h331h302h233h223h
Data source: Rijeka October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Rijeka During October

In October, Rijeka, Croatia, enjoys a 42% chance of sunny weather, marking a slight dip from the peak summer months, where sunshine probabilities soar to nearly 60%. This decrease aligns with the transition to autumn, as the vibrant hues of fall commence and temperatures begin to cool. Interestingly, the sunny days in October remain relatively high compared to the winter months, which see much lower chances of sun, like January at 24% and November at 27%. Overall, October offers a pleasant balance: while it may not boast the clear skies of August, it still invites plenty of opportunities to enjoy Rijeka's stunning coastal views under the sun.

Percentage of Sunny Days in October in Rijeka

The chart illustrates the percentage of sunny days in Rijeka throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Rijeka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%35%59%38%37%58%53%59%57%42%27%35%
Data source: Rijeka October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Rijeka in October

As October unfolds in Rijeka, Croatia, daylight begins its gradual descent, offering around 10 hours of sunlight each day. This marks a notable shift from the summer peak in June and July, when residents basked in 15 hours of daylight. The transition from vibrant autumn hues to shorter days is evident, as October's daylight mirrors those of earlier months like February and March, where the sun stretches its rays to just over 10 hours. Following the bright, extended days of summer and early fall, this month serves as a gentle reminder of the impending winter, creating a cozy ambiance perfect for enjoying the rich cultural experiences Rijeka has to offer.

Average Daylight Hours in Rijeka for October

The chart illustrates the variation in daylight duration in Rijeka throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 9m10h 23m11h 56m13h 32m14h 53m15h 34m15h 12m14h12h 28m10h 54m9h 30m8h 46m
Data source: Rijeka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Rijeka

As October arrives in Rijeka, Croatia, the landscape is kissed by a refreshing gust of wind, with average speeds reaching 3.7 m/s (8 mph). This marks a notable increase compared to the milder months of summer, when winds typically linger around 2.3 to 2.8 m/s (5 to 6 mph). Transitioning into autumn, the breeze breathes life into the city, inviting residents and visitors alike to embrace the invigorating change in weather. The trend of rising wind speeds continues into November, though a slight dip to 3.3 m/s (7 mph) suggests that October truly is the month when the winds start to assert themselves again, heralding the seasonal shift and preparing Rijeka for the cozy embrace of winter.

Average October Wind Speed in Rijeka

The chart displays monthly wind speed patterns in Rijeka, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.12.82.82.82.02.32.72.53.7 m/s3.32.7
Data source: Rijeka October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Rijeka Compares to Other Months

The weather in Rijeka changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Rijeka and find detailed weather information for every month.

When comparing the weather in October and January, significant differences emerge. In October, temperatures range from a mild 4°C (39°F) at night to a comfortable maximum of 24°C (75°F) during the day, with an average temperature of 13°C (56°F). This month experiences quite a bit of rainfall, totaling 162 mm (6.4 in) over approximately 12 days, and the humidity sits at a relatively high 83%. In contrast, January presents a much colder climate, with temperatures plunging to a minimum of -13°C (10°F) and an average of just 3°C (38°F). This winter month sees less precipitation, with 105 mm (4.1 in) over around 9 rainy days, accompanied by even higher humidity at 88%. For more detailed information, you can check out Rijeka weather in January.

October and February present quite contrasting weather patterns. In October, temperatures range from a minimum of 4°C (39°F) to a pleasant average of 13°C (56°F), with a maximum of 24°C (75°F). While there is considerable precipitation at 162 mm (6.4 in) over 12 days, the humidity remains relatively high at 83%. In contrast, February experiences colder conditions, with temperatures dipping as low as -9°C (16°F) and averaging around 5°C (42°F), peaking at 20°C (68°F). February also has slightly more precipitation at 168 mm (6.6 in) over 13 days, maintaining a humidity level of 82%. For more details, check out Rijeka weather in February.

The weather in October is generally milder compared to March, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 24°C (75°F). In contrast, March experiences colder temperatures, starting with a minimum of -11°C (13°F) and peaking at 20°C (68°F). While October sees higher humidity at 83% and more precipitation, totaling 162 mm (6.4 in) over 12 days, March has lower humidity at 73% and slightly less precipitation at 115 mm (4.5 in) over 13 days. For a more detailed look at March weather, you can visit Rijeka weather in March.

When comparing the weather in October and April, both months exhibit a range of temperatures and precipitation patterns, yet they have distinct characteristics. In October, temperatures vary from a minimum of 4°C (39°F) to a maximum of 24°C (75°F), with an average of 13°C (56°F). This month also sees more precipitation, totaling 162 mm (6.4 in) over approximately 12 days, contributing to a higher humidity level of 83%.

In contrast, April experiences cooler minimum temperatures that can drop to -3°C (26°F), but the average temperature is slightly higher at 11°C (52°F), with a maximum reaching 23°C (74°F). Precipitation in April is less intense at 110 mm (4.3 in) across 11 days, resulting in lower humidity at 73%. For more information on the specifics of April weather, you can check Rijeka weather in April.

In comparing the weather between October and May, we see some notable differences and similarities. October experiences slightly cooler temperatures, with an average of 13°C (56°F) compared to May's warmer average of 15°C (59°F). Both months have similar minimum temperatures starting at 4°C (39°F), but May nudges the maximum temperature higher with 25°C (78°F) compared to October's 24°C (75°F).

Precipitation levels are quite comparable, with October receiving 162 mm (6.4 in) over 12 days and May having 164 mm (6.5 in) but spread over 19 days, which indicates that May is generally a wetter month despite similar overall totals. Additionally, May boasts a lower humidity level at 70%, contrasting with October’s higher humidity of 83%. For a more detailed look at May weather specifically in Rijeka, check out Rijeka weather in May.

When comparing the weather in October and June, notable differences emerge. October typically experiences cooler temperatures, with minimums around 4°C (39°F) and maximums reaching up to 24°C (75°F), averaging at 13°C (56°F). In contrast, June boasts warmer conditions, with minimums of 9°C (49°F) and maximums soaring to 34°C (93°F), averaging 20°C (69°F). Additionally, October is characterized by significantly higher precipitation, with 162 mm (6.4 in) over 12 days, while June sees only 74 mm (2.9 in) across 10 days. Humidity levels also differ; October's humidity is higher at 83%, compared to June's 69%. For more detailed insights into June weather, you can visit Rijeka weather in June.

When comparing the weather of October and July, notable differences emerge in temperature and precipitation. In October, temperatures range from a minimum of 4°C (39°F) to a maximum of 24°C (75°F), with an average of 13°C (56°F). In contrast, July experiences much warmer conditions, with temperatures varying from 13°C (56°F) to 31°C (89°F) and an average of 22°C (72°F). Additionally, October has significantly higher precipitation, measuring 162 mm (6.4 in) over 12 days, while July sees only 85 mm (3.3 in) over 11 days, making it the drier month. The humidity levels also differ, with October's humidity at 83% compared to July's 63%. This stark contrast highlights the shift from the warm, dry summer of July to the cooler, wetter autumn in October. For more details about July weather, visit Rijeka weather in July.

In comparing the weather of October and August, it is clear that August is significantly warmer and drier. With minimum temperatures of 12°C (54°F) and maximums reaching 33°C (93°F), August averages a comfortable 23°C (73°F) alongside only 72 mm (2.8 in) of precipitation over 7 days, resulting in relatively low humidity at 51%. In contrast, October sees a marked drop in temperature, with a minimum of 4°C (39°F), an average of 13°C (56°F), and a maximum of 24°C (75°F). The month also experiences higher precipitation, totaling 162 mm (6.4 in) over 12 days, and a notable increase in humidity at 83%. For more specific details on the August climate, check Rijeka weather in August.

In comparing the weather between September and October, we see a distinct change in temperatures and conditions. September typically enjoys warmer temperatures, with averages around 18°C (64°F) and highs reaching up to 29°C (85°F), while October cools down significantly, averaging 13°C (56°F) and a maximum of 24°C (75°F). In terms of precipitation, both months are relatively wet, but October has slightly less total rainfall at 162 mm (6.4 in) over 12 days compared to September's 194 mm (7.7 in) over 11 days. Notably, October also experiences higher humidity levels at 83%, compared to September's more comfortable 64%. For a more detailed look at September weather, you can check out Rijeka weather in September.

October and November bring noticeable changes in weather patterns. In October, temperatures range from a mild 4°C (39°F) at night to a pleasant average of 13°C (56°F) during the day, with maximums reaching 24°C (75°F). However, this month sees significant rainfall, totaling 162 mm (6.4 in) over 12 days, along with a relatively high humidity level of 83%. In contrast, November experiences cooler temperatures with lows dropping to -1°C (31°F) and an average of 9°C (48°F), peaking at 18°C (65°F). This month is also wetter, recording 204 mm (8.0 in) of precipitation across 14 days and a slight increase in humidity to 89%. For a deeper look at the climate specifics, you can check Rijeka weather in November.

In October, the weather in Rijeka is relatively mild, with temperatures averaging around 13°C (56°F) and ranging from a minimum of 4°C (39°F) to a maximum of 24°C (75°F). The month sees about 162 mm (6.4 in) of precipitation over approximately 12 days, with humidity levels averaging 83%. In contrast, December brings much colder temperatures, with averages dropping to around 5°C (41°F) and reaching a minimum of -7°C (20°F) and a maximum of 14°C (57°F). Precipitation increases to 226 mm (8.9 in), occurring over about 15 days, while humidity rises slightly to 88%. Overall, December presents a much chillier and wetter climate compared to the relatively pleasant conditions of October. For more details, see Rijeka weather in December.

Compare Rijeka's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Rijeka

As October rolls into Rijeka, visitors can expect a notable shift in the weather landscape compared to the balmy summer months. Temperatures begin to cool, averaging a refreshing 13°C (56°F), with highs reaching a pleasant 24°C (75°F) and lows dipping to around 4°C (39°F). This transition marks the end of beach season, as the city experiences increased precipitation, with about 162 mm (6.4 in) spread over 12 days. Furthermore, the air takes on a distinct humidity of 83%, lending a crispness that invites exploration of Rijeka's rich cultural heritage. For more insights on what to expect throughout the year, visit Rijeka Climate.