Trincomalee weather by month & the best time to visit
🇱🇰 Sri Lanka · beach resort · tropical — wet & dry seasons climate
The best time to visit Trincomalee is June — its sunniest month (Sunshine Score 89/100), with July and August close behind. Trincomalee averages about 2,591 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 29 mm of rain in June.
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- Sun hours / year
- 2,591
- Sunniest month
- June
- Peak score
- 89/100
- Rain / year
- 1,565 mm
- Midday UV at peak
- 11 (extreme)
- Sea at warmest
- 31°C / 88°F
- Population
- 108k
- Elevation
- Sea level
When is the best time to visit Trincomalee?
For sunshine, the best time to visit Trincomalee is June, then July and August. The dullest month is October (67/100, 227 mm of rain). The full month-by-month picture is in the table below.
How sunny is Trincomalee?
Trincomalee gets a lot of sun: around 2,591 hours a year. June (89/100) is noticeably better than October (67). It ranks #4 of 6 destinations in Sri Lanka for annual sunshine, right at the national median of 2,591 hours. Rain has a clear season: the wettest stretch, around November, carries about 55% of the annual 1,565 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 71 | 27° / 81°F | 24° / 75°F | 127 mm | 9 | 28° / 82°F |
| February | 77 | 28° / 82°F | 25° / 77°F | 93 mm | 10 | 29° / 84°F |
| March | 81 | 30° / 86°F | 25° / 77°F | 71 mm | 11 | 30° / 86°F |
| April | 74 | 31° / 88°F | 27° / 81°F | 109 mm | 11 | 30° / 86°F |
| May | 75 | 32° / 90°F | 27° / 81°F | 105 mm | 10 | 31° / 88°F |
| June | 89 | 32° / 90°F | 26° / 79°F | 29 mm | 10 | 29° / 84°F |
| July | 88 | 32° / 90°F | 26° / 79°F | 36 mm | 10 | 29° / 84°F |
| August | 84 | 32° / 90°F | 26° / 79°F | 57 mm | 11 | 29° / 84°F |
| September | 79 | 32° / 90°F | 26° / 79°F | 80 mm | 11 | 29° / 84°F |
| October | 67 | 30° / 86°F | 26° / 79°F | 227 mm | 10 | 30° / 86°F |
| November | 67 | 28° / 82°F | 26° / 79°F | 327 mm | 8 | 30° / 86°F |
| December | 67 | 28° / 82°F | 25° / 77°F | 304 mm | 7 | 28° / 82°F |
Sea temperature in Trincomalee by month
The sea off Trincomalee is warmest in May at around 31°C / 88°F, and coolest in January at 28°C / 82°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Trincomalee on the interactive sunshine globe →
Nearby places for sunshine
- Colombo Sri Lanka · 208 km · best in Feb · 2,876 h sun/yr
- Tiruchirappalli India · 366 km · best in Jan · 2,755 h sun/yr
- Thiruvananthapuram India · 469 km · best in Jan · 2,604 h sun/yr
- Chennai India · 507 km · best in Feb · 2,636 h sun/yr
- Coimbatore India · 531 km · best in Jan · 2,699 h sun/yr
- Kochi India · 554 km · best in Jan · 2,367 h sun/yr
Nearest destinations
- Batticaloa Sri Lanka · 108 km · 2,544 h sun/yr · best in Jun
- Jaffna Sri Lanka · 185 km · 2,591 h sun/yr · best in Feb
- Hambantota (Mattala) Sri Lanka · 251 km · 2,589 h sun/yr · best in Jul
- Galle Sri Lanka · 299 km · 2,789 h sun/yr · best in Feb
- Tuticorin India · 348 km · 2,791 h sun/yr · best in Jan
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