The highest day temperature in October 2026 was 87°F. The lowest night temperature was 82°F. The average values for day and night temperatures during October were 85.9°F и 84.4°F respectivly.

The average sea surface temperature in October 2026 for Negombo was 88.8°F. The maximum and minimum values were 88.0°F and 89.8°F respectively.

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

Precipitation total in October for Negombo is 9.3 in. It makes october one of the most rainy months of the year.

The average wind speed in October is 8.9 mph. It makes October one of the most windless months 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 October is 5.2 hours.