ClimateAverages

Trincomalee Climate

Eastern Province, Sri Lanka · population 108,420 · 17 weather stations within 200 km · records 1796 to 2025

Average annual daytime high
32.1°C
Warmest month · June
34.9°C
Typical daytime high
Coldest month · January
21.9°C
Typical overnight low

Trincomalee has an average annual daytime high of 32.1°C, based on the 1951 to 1980 baseline. Its warmest month is June, when highs typically reach 34.9°C, and its coldest is January, with overnight lows near 21.9°C.

Month by month averages

MonthAvg highAvg low
January27.7°C21.9°CColdest
February29.5°C22.1°C
March32.3°C22.9°C
April34.0°C24.4°C
May34.7°C25.5°C
June34.9°C25.5°CWarmest
July34.3°C25.0°C
August34.8°C24.8°C
September34.2°C24.4°C
October32.0°C23.6°C
November29.6°C23.0°C
December27.6°C22.4°C

Temperature range across the year

20°24°28°33°37°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+1.4°C vs. 1951–1980
Coldest year on record
1812
-1.4°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Trincomalee getting hotter?

Since 1900, Trincomalee's average temperature has risen by +1.2°C. Compared to the earliest station records that begin in 1796, warming totals +1.7°C.

27.6°28.0°28.5°28.9°29.4°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
any time of year

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Trincomalee?

Trincomalee's average annual daytime high is 32.1°C, based on the 1951 to 1980 baseline period. The warmest month is June, with highs averaging 34.9°C, and the coldest is January, with lows averaging 21.9°C.

What is the warmest month in Trincomalee?

June is the warmest month in Trincomalee, with typical daytime highs of 34.9°C.

What is the hottest year on record for Trincomalee?

2023 is the hottest year on record for Trincomalee, running +1.4°C above the 1951 to 1980 baseline.

Is Trincomalee getting hotter?

Yes. Since 1900, Trincomalee has warmed by roughly +1.2°C.

When is the best time to visit Trincomalee?

any time of year typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.