Climate averages 1991–2020
Rijeka weather
in October.
A mild, very wet month: the 6th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Rijeka: daytime highs average 17.3°C and nights cool to about 10.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 208 mm of rain on roughly 13 days, which makes October a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 00 min on an average October day.
The nearest other city in this atlas is Trieste (63 km away). In October its highs average 17.4°C, about as warm as Rijeka, with 184 mm of rain.
Among the 4 cities listed in Croatia, Rijeka ranks joint 2nd of 4 for the warmest October highs and 4th of 4 for the driest October (rainfall, lowest first). The mean October high of those 4 cities is 17.7°C; Rijeka is 0.5°C cooler than that mean.
From October to November, average highs fall by 5.1°C to 12.2°C, and monthly rainfall rises from 208 mm to 223 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rijeka climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.8°C0.7°C | 0.7°C | 122 | 11.5 | 9.29 h |
| February | 8.1°C0.9°C | 0.9°C | 128 | 10.8 | 10.410 h |
| March | 12.1°C4.0°C | 4.0°C | 123 | 11.6 | 11.912 h |
| April | 16.5°C8.1°C | 8.1°C | 114 | 13.0 | 13.513 h |
| May | 20.7°C12.6°C | 12.6°C | 120 | 13.7 | 14.915 h |
| June | 24.9°C16.7°C | 16.7°C | 94 | 12.0 | 15.616 h |
| July | 27.6°C18.9°C | 18.9°C | 77 | 10.0 | 15.315 h |
| August | 27.9°C19.0°C | 19.0°C | 90 | 8.7 | 14.114 h |
| September | 22.3°C14.8°C | 14.8°C | 177 | 11.8 | 12.613 h |
| October, selected | 17.3°C10.7°C | 10.7°C | 208 | 13.4 | 11.011 h |
| November | 12.2°C6.5°C | 6.5°C | 223 | 14.4 | 9.610 h |
| December | 7.7°C2.0°C | 2.0°C | 169 | 12.2 | 8.89 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Trieste in OctoberItaly · 63 kmHigh 17.4°C · Low 10.8°C · 184 mm rain
- Ljubljana in OctoberSlovenia · 81 kmHigh 14.6°C · Low 7.3°C · 117 mm rain
- Udine in OctoberItaly · 125 kmHigh 16.4°C · Low 8.4°C · 169 mm rain
- Bihać in OctoberBosnia and Herzegovina · 126 kmHigh 17.0°C · Low 8.6°C · 121 mm rain
- Zagreb in OctoberCroatia · 131 kmHigh 16.6°C · Low 8.1°C · 80 mm rain
- Klagenfurt am Wörthersee in OctoberAustria · 145 kmHigh 14.2°C · Low 6.9°C · 121 mm rain
- Maribor in OctoberSlovenia · 165 kmHigh 15.7°C · Low 7.7°C · 77 mm rain
- Mestre in OctoberItaly · 172 kmHigh 18.0°C · Low 11.4°C · 121 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rijeka) is explained once on the Rijeka year overview and on the Sources, method and limits page.