The highest day temperature in March 2025 was 91°F. The lowest night temperature was 77°F. The average values for day and night temperatures during March were 88.1°F и 80.5°F respectivly.

The average sea surface temperature in March 2025 for Negombo was 89.5°F. The maximum and minimum values were 88.2°F and 91.4°F respectively.

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

Precipitation total in March for Negombo is 3.3 in. It makes march one of the least rainy months of the year.

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

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 Negombo in March is 8.5 hours.