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Weather & Climate in Trincomalee, Sri Lanka
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Trincomalee has a warm climate with an average annual temperature of 83°F (28°C). Winters average 79°F in January while summers reach 86°F in July / relatively mild seasonal variation. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 56.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 33 feet.
Temperature
79°F Jan (26°C)
86°F Jul (30°C)
| Annual Average | 82.8°F |
| 53% above US avg | |
| January Average | 79°F (26°C) |
| July Average | 86°F (30°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 2.9 sq mi (7.5 km²) |
| Population Density | 37,386/sq mi |
| Coordinates | 8.5778°N, 81.2289°W |
| Timezone | Asia/Colombo |
Precipitation & Snow
Air Quality
Hurricane History
6 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2018 | Gaja | Category 1 | 81 mph | 243 km |
| 2000 | Unnamed | Category 1 | 104 mph | 27 km |
| 1993 | Unnamed | Category 1 | 89 mph | 155 km |
| 1990 | Unnamed | Category 2 | 132 mph | 269 km |
| 1984 | Unnamed | Category 1 | - | 269 km |
| 1984 | Unnamed | Category 1 | 132 mph | 231 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1882 | SRI LANKA | Earthquake | - | - | 1 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 79°F (26°C) | 5.4 in | Coldest |
| February | 80°F (27°C) | 3.0 in | |
| March | 82°F (28°C) | 1.3 in | |
| April | 85°F (29°C) | 2.3 in | |
| May | 86°F (30°C) | 2.4 in | Warmest |
| June | 86°F (30°C) | 0.9 in | Driest |
| July | 86°F (30°C) | 2.0 in | |
| August | 85°F (30°C) | 2.4 in | |
| September | 84°F (29°C) | 3.8 in | |
| October | 82°F (28°C) | 7.8 in | |
| November | 80°F (27°C) | 12.7 in | Wettest |
| December | 79°F (26°C) | 12.6 in |
Trincomalee has a seasonal temperature swing of 8°F / from 79°F in January to 86°F in May. Total annual precipitation is 56.5 inches, with November being the wettest month (12.7") and June the driest (0.9").