Normally the average daily weather in Rijeka all through the month of April is 12. With the average high being 20 and low average expected to be 8. See our table below for a full breakdown:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 20 |
| Low Temperature | 8 |
Useful Links: Rijeka Weather: Average Weather & Yearly Climate