Best time to visit Jaffna

January is the best month in Jaffna, scoring 88 out of 100, with October the weakest at 54. The 34-point spread means timing is worth planning around without being decisive. Only 3 months come close to the top, which makes the timing narrow.

April is the warmest month at 31.5 °C and January the coolest at 27.3 °C — a 4.2 °C spread across the year. 158 days a year top 30 °C, more than a third of the calendar, so heat is the baseline here rather than a season.

There is a real wet season here. October to December carry the rain — up to 23 wet days in a month — while January, February, March, June and July drop as low as 4. That 19-day gap is the biggest single difference between a good month and a bad one in Jaffna, and it moves further than the temperature does.

The sea never drops below 26.9 °C, so swimming is on the table year round. Daylight barely moves: about 12.7 hours whatever the month, which removes one variable from the decision entirely.

The three strongest months are January, February, June. The one to think twice about is October. Each month below has its own page with rainfall reliability, extremes, daylight, sea temperature and crowd levels.

Jaffna month by month