The highest day temperature in December 2023 was 91°F. The lowest night temperature was 77°F. The average values for day and night temperatures during December were 87.2°F и 80.2°F respectivly.

The average sea surface temperature in December 2023 for Negombo was 88.0°F. The maximum and minimum values were 87.2°F and 89.2°F respectively.

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

Precipitation total in December for Negombo is 6.1 in.

The average wind speed in December is 9.6 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 Negombo in December is 7.2 hours.