Typically, you can expect that the weather in Rijeka during January is 5. Highs are expected to be 8 and typical average low being around 0. The table below has some further insights:
| Month | Degrees Celsius |
|---|---|
| Temperature | 5 |
| High Temperature | 8 |
| Low Temperature | 0 |
Useful Links: Rijeka Weather: Average Weather & Yearly Climate