The highest day temperature in May 2025 was 99°F. The lowest night temperature was 80°F. The average values for day and night temperatures during May were 95.1°F и 83.7°F respectivly.

The average sea surface temperature in May 2025 for Batticaloa was 90.8°F. The maximum and minimum values were 90.0°F and 91.6°F respectively.

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

Precipitation total in May for Batticaloa is 3.4 in.

The average wind speed in May is 6.7 mph. It makes May one of the most windless months of the year for Batticaloa.

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 Batticaloa in May is 8.9 hours.