Weather in Trincomalee: October
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Average day temperature: | 88.5°F |
| Average night temperature: | 77.9°F | |
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Sea water temperature: | 84.5°F |
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Number of sunny days: | 9 days |
| Day length: | 11.8 - 12.0 hours | |
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Number of rainy days: | 14 days |
| Precipitation totals: | 7.7 in. | |
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forecast
| Trincomalee |
temperature
| Trincomalee |
Air temperature in October, °F
The highest day temperature during October of 2025 was 89°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during October were 84.2°F and 79.1°F.
Sea water temperature in Trincomalee in October, °F
The average sea water temperature in October of 2025 was 84.4°F. The highest and lowest sea temperatures during the month were 85.3°F and 83.7°F.
Mostly all days in October are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in October, in.
Precipitation total value in Trincomalee in October is 7.0 in. It makes october one of the most rainy months of the year.
The average wind speed value in October is 9.2 mph It makes October one of the least windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 5.7.
Best time for vacation in Trincomalee
Trincomalee on a weather map
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