Monthly climate guide
Rijeka weather in January
With highs near 3°C (38°F) and lows around -3°C (27°F), January feels cold in Rijeka. Rainfall averages about 80 mm (some rain) and the sky is often cloudy. Daytime highs are 2°C cooler than December and about the same as February.
What stands out in January
- Pack for frost — nights average -3°C in January.
- Rijeka is usually about 5°C cooler than Krk, 30 km away, in January.
- Days and nights are close, only about 6°C apart.
- In Rijeka, January is mid-winter.
January is typically Rijeka's coolest month.
Avg high
3°C
38°F
Avg low
-3°C
27°F
Rainfall
80 mm
some rain
Humidity
91%
relative
Sky
74%
cloud · often cloudy
Rijeka weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 3°C / 38°F | -3°C / 27°F | 80 mm | 91% | 74% |
| February | 4°C / 39°F | -3°C / 26°F | 112 mm | 90% | 75% |
| March | 9°C / 49°F | 0°C / 32°F | 81 mm | 84% | 63% |
| April | 15°C / 58°F | 4°C / 39°F | 76 mm | 78% | 64% |
| May | 18°C / 64°F | 8°C / 46°F | 122 mm | 78% | 66% |
| June | 22°C / 72°F | 12°C / 54°F | 92 mm | 76% | 56% |
| July | 24°C / 76°F | 14°C / 58°F | 77 mm | 74% | 49% |
| August | 25°C / 77°F | 14°C / 57°F | 80 mm | 73% | 43% |
| September | 20°C / 68°F | 10°C / 50°F | 138 mm | 79% | 58% |
| October | 15°C / 59°F | 6°C / 43°F | 140 mm | 85% | 65% |
| November | 9°C / 49°F | 3°C / 37°F | 155 mm | 91% | 75% |
| December | 5°C / 41°F | -2°C / 29°F | 101 mm | 92% | 70% |
What to pack for January
- A proper insulated winter coat
- A hat, scarf and gloves
- Thermal base layers and warm, grippy boots for icy mornings
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is January a good time to visit Rijeka?
Compare the months in the chart above to find your ideal window.
Best time to visit Rijeka →Other Croatia cities in January
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Rijeka weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/croatia/rijeka/january
<a href="https://weathercompare.eu/weather/croatia/rijeka/january">Rijeka weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/croatia/rijeka" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Rijeka weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/croatia/rijeka/january">Rijeka weather in January</a> – WeatherCompare</p>
Rijeka in January: quick answers
Is January a good time to visit Rijeka?
January is cool in Rijeka, with highs around 3°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Rijeka in January?
Average highs are about 3°C (38°F) and average lows about -3°C (27°F), based on 10 years of daily data.
Does it rain a lot in Rijeka in January?
Rijeka typically gets around 80 mm of rain in January — some rain.
Figures are long-term averages for the area around Rijeka (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.