The highest day temperature in April 2025 was 93°F. The lowest night temperature was 78°F. The average values for day and night temperatures during April were 90.2°F и 81.2°F respectivly.

The average sea surface temperature in April 2025 for Unawatuna was 89.5°F. The maximum and minimum values were 88.4°F and 89.8°F respectively.

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

Precipitation total in April for Unawatuna is 5.6 in. It makes april one of the least rainy months of the year.

The average wind speed in April is 6.4 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 Unawatuna in April is 7.1 hours.