Lake Toba (Toba) weather by month
Indonesia

The best time to visit Lake Toba (Toba) is February, March and July — 71/100 in July, 27°C and 23 rainy days. The best season is the dry season, January to August (66/100 on average).
The worst month is November at 56/100 — hot, soaked, clean air. See November →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Indonesia →
Lake Toba, month by month
Comfort score out of 100 for the kind of trip Lake Toba is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 65 | C | 25°C | 27 d | 9 h | Peak | 2 |
| FebFebruary | 70 | B | 25°C | 25 d | 10 h | Busy | 1 |
| MarMarch | 66 | C | 26°C | 27 d | 9 h | Busy | 1 |
| AprApril | 62 | C | 26°C | 28 d | 8 h | Shoulder | 1 |
| MayMay | 62 | C | 26°C | 28 d | 8 h | Shoulder | — |
| JunJune | 66 | C | 27°C | 25 d | 9 h | Peak | 2 |
| JulJuly | 71 | B | 27°C | 23 d | 9 h | Peak | 3 |
| AugAugust | 64 | C | 26°C | 26 d | 9 h | Peak | 3 |
| SepSeptember | 61 | C | 26°C | 28 d | 8 h | Busy | 3 |
| OctOctober | 59 | D | 26°C | 28 d | 8 h | Quiet | 2 |
| NovNovember | 56 | D | 25°C | 29 d | 6 h | Quiet | 1 |
| DecDecember | 58 | D | 25°C | 30 d | 7 h | Peak | 2 |
What's on in Lake Toba through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Lake Toba in July
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsFestival Danau Toba, Mid-year break in Indonesia, school holidays in 5 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet