The highest day temperature in April 2025 was 96°F. The lowest night temperature was 82°F. The average values for day and night temperatures during April were 89.7°F и 83.8°F respectivly.

The average sea surface temperature in April 2025 for Trincomalee was 90.2°F. The maximum and minimum values were 89.4°F and 91.0°F respectively.

Most of the days in April are sunny but you can also expect cloudy and gloomy days.

Precipitation total in April for Trincomalee is 2.7 in. It makes april one of the least rainy months of the year.

The average wind speed in April is 7.0 mph. It makes April the most windless month of the year for Trincomalee.

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 April is 9.3 hours.