SeasonMapTrincomalee weather by month
Sri Lanka
The best time to visit Trincomalee is February, March and June — 90/100 in March, 31°C and 10 rainy days. The best season is the dry season, February to September (86/100 on average).
The worst month is November at 59/100 — sweltering, soaked, clean air. See November →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Sri Lanka →
Trincomalee, month by month
Comfort score out of 100 for the kind of trip Trincomalee 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 | 77 | B | 29°C | 15 d | 10 h | Busy | 2 |
| FebFebruary | 87 | A | 30°C | 11 d | 11 h | Busy | 2 |
| MarMarch | 90 | S | 31°C | 10 d | 11 h | Busy | 1 |
| AprApril | 86 | A | 34°C | 10 d | 11 h | Peak | 2 |
| MayMay | 80 | A | 34°C | 11 d | 10 h | Busy | 3 |
| JunJune | 89 | A | 35°C | 3 d | 11 h | Busy | 3 |
| JulJuly | 87 | A | 34°C | 7 d | 10 h | Busy | 3 |
| AugAugust | 84 | A | 34°C | 9 d | 10 h | Peak | 3 |
| SepSeptember | 85 | A | 34°C | 9 d | 10 h | Peak | 3 |
| OctOctober | 71 | B | 32°C | 20 d | 10 h | Quiet | 2 |
| NovNovember | 59 | D | 30°C | 24 d | 8 h | Quiet | 2 |
| DecDecember | 68 | C | 29°C | 21 d | 9 h | Busy | 2 |
What's on in Trincomalee 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 Trincomalee in March
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.
BusyFebruary break in Sri Lanka, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet