Climate averages 1991–2020
Rijeka weather
in January.
A cold, wet month: the coolest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Rijeka: daytime highs average 6.8°C and nights cool to about 0.7°C. By daytime temperature it is the coolest month of the year.
Expect about 122 mm of rain on roughly 12 days, which makes January a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 10 min on an average January day.
The nearest other city in this atlas is Trieste (63 km away). In January its highs average 7.2°C, about as warm as Rijeka, with 90 mm of rain.
Among the 4 cities listed in Croatia, Rijeka ranks 2nd of 4 for the warmest January highs and 4th of 4 for the driest January (rainfall, lowest first). The mean January high of those 4 cities is 6.5°C; Rijeka is 0.3°C warmer than that mean.
From January to February, average highs rise by 1.3°C to 8.1°C, and monthly rainfall rises from 122 mm to 128 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Trieste in JanuaryItaly · 63 kmHigh 7.2°C · Low 1.1°C · 90 mm rain
- Ljubljana in JanuarySlovenia · 81 kmHigh 3.7°C · Low -2.7°C · 59 mm rain
- Udine in JanuaryItaly · 125 kmHigh 6.3°C · Low -1.7°C · 75 mm rain
- Bihać in JanuaryBosnia and Herzegovina · 126 kmHigh 5.5°C · Low -1.4°C · 90 mm rain
- Zagreb in JanuaryCroatia · 131 kmHigh 4.7°C · Low -2.2°C · 49 mm rain
- Klagenfurt am Wörthersee in JanuaryAustria · 145 kmHigh 3.1°C · Low -4.0°C · 48 mm rain
- Maribor in JanuarySlovenia · 165 kmHigh 4.5°C · Low -3.0°C · 38 mm rain
- Mestre in JanuaryItaly · 172 kmHigh 7.2°C · Low 1.0°C · 60 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.