The highest day temperature in June 2025 was 89°F. The lowest night temperature was 80°F. The average values for day and night temperatures during June were 86.7°F и 82.6°F respectivly.

The average sea surface temperature in June 2025 for Dehiwala Mount Lavinia was 87.9°F. The maximum and minimum values were 87.2°F and 89.4°F respectively.

Most of the days in June are gloomy but you can also expect sunny days.

Precipitation total in June for Dehiwala Mount Lavinia is 17.2 in. It makes june the most rainy month of the year.

The average wind speed in June is 11.5 mph. It makes June the most windy month of the year for Dehiwala Mount Lavinia.

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 Dehiwala Mount Lavinia in June is 5.2 hours.