The highest day temperature in January 2025 was 84°F. The lowest night temperature was 80°F. The average values for day and night temperatures during January were 82.5°F и 81.5°F respectivly.

The average sea surface temperature in January 2025 for Trincomalee was 84.1°F. The maximum and minimum values were 83.4°F and 84.8°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in January for Trincomalee is 4.7 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 10.1 mph.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Trincomalee in January is 5.8 hours.