Normally average temperatures in Ha Long Bay in the time of October is 23 with a normal high in the month being 28 and low of 21 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 23 |
| High Temperature | 28 |
| Low Temperature | 21 |
| Sunshine Per Day | 8 |
Useful Links: Ha Long Bay Weather: Average Weather & Yearly Climate