Frequently the average temperatures in Terceira through the whole of April is 14. With the average high being 18 with low daily temperautes being 13. We have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 14 |
| High Temperature | 18 |
| Low Temperature | 13 |
Useful Links: Terceira Weather: Average Weather & Yearly Climate