Based on 25 years of data, Yam (Ratalu) prices in India typically peak in September (about 63% above the annual average) and bottom out in December (roughly 26% below). Historically, selling around September has fetched better rates.
Best month
September
vs average +63%
Weakest month
December
vs average −26%
100 = annual average (₹3,979/quintal) · averaged over 25 years
| Month | Index | Typical Price |
|---|---|---|
| January | 87.9 | ₹3,497 |
| February | 86.9 | ₹3,457 |
| March | 85.8 | ₹3,414 |
| April | 89.1 | ₹3,545 |
| May | 97.1 | ₹3,863 |
| June | 106.6 | ₹4,241 |
| July | 118.1 | ₹4,699 |
| August | 101.5 | ₹4,038 |
| September★ Best | 162.9 | ₹6,481 |
| October | 102.7 | ₹4,086 |
| November | 87 | ₹3,461 |
| DecemberLowest | 74.4 | ₹2,960 |
Top 3 months to sell: September, July, June. The all-time highest monthly average was ₹52,500/quintal in September 2002.