Measurements:
°C
°F
CURRENT WEATHER
21:45
Trincomalee
88°F
NE 12 mph
Feels like: 94°F
Precip: 18%
World Resorts Sri Lanka Trincomalee Weather

7 Day Weather Forecast

09.11
fri
DAY
96°F
E 7 mph
precip
7%
NIGHT
84°F
E 13 mph
precip
22%
09.12
sat
DAY
96°F
S 2 mph
precip
13%
NIGHT
86°F
NE 17 mph
precip
19%
09.13
sun
DAY
92°F
W 12 mph
precip
15%
NIGHT
84°F
NE 17 mph
precip
20%
09.14
mon
DAY
94°F
SE 4 mph
precip
14%
NIGHT
84°F
NE 11 mph
precip
25%
09.15
tue
DAY
90°F
SE 2 mph
precip
60%
NIGHT
84°F
N 4 mph
precip
58%
09.16
wed
DAY
88°F
SW 11 mph
precip
28%
NIGHT
84°F
NE 15 mph
precip
18%
09.17
thu
DAY
92°F
E 14 mph
precip
14%
NIGHT
86°F
NE 19 mph
precip
19%

Trincomalee Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Trincomalee was 28.7°F. The maximum and minimum values were 28.2°F and 29.3°F respectively.

Trincomalee on the Weather Map

Best Time to Visit Trincomalee
The most sunny months:
March 20 days
April 20 days
May 17 days
The most warm months:
June 96.9 °F
May 96.5 °F
July 96.4 °F
Warmest sea temperature:
May 90.3 °F
April 90.1 °F
June 88.7 °F
The most cold months:
January 85.7 °F
December 86.9 °F
February 87.6 °F
The most rainy months:
October 14 days
November 14 days
December 11 days
The most windy months:
June 16 mph
July 15 mph
August 14 mph
more details