Normally the average weather in Yerevan during the month of October is 12 with the high being 20 with lows of 7 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 20 |
| Low Temperature | 7 |
| Sunshine Per Day | 11 |
Useful Links: Yerevan Weather: Average Weather & Yearly Climate