Measurements:
°C
°F
Trincomalee
84°F
NW 2 mph
Feels like: 90°F
Precip: 45%
World Resorts Sri Lanka Trincomalee Weather

7 Day Weather Forecast

10.02
fri
DAY
86°F
W 12 mph
precip
21%
NIGHT
82°F
NE 7 mph
precip
51%
10.03
sat
DAY
82°F
SW 12 mph
precip
10%
NIGHT
84°F
NW 4 mph
precip
21%
10.04
sun
DAY
84°F
SW 14 mph
precip
21%
NIGHT
84°F
E 7 mph
precip
18%
10.05
mon
DAY
88°F
SW 14 mph
precip
10%
NIGHT
84°F
E 4 mph
precip
9%
10.06
tue
DAY
88°F
W 10 mph
precip
6%
NIGHT
86°F
NW 7 mph
precip
36%
10.07
wed
DAY
86°F
W 12 mph
precip
7%
NIGHT
86°F
NW 9 mph
precip
21%
10.08
thu
DAY
86°F
W 11 mph
precip
7%
NIGHT
84°F
N 6 mph
precip
10%

Trincomalee Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Trincomalee was 29.1°F. The maximum and minimum values were 28.7°F and 29.6°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