Jaffna weather by month & the best time to visit
Sri Lanka · beach resort · tropical — wet & dry seasons climate
The best time to visit Jaffna is February — its sunniest month (Sunshine Score 90/100), with January and March close behind. Jaffna averages about 2,591 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 24 mm of rain in February.
When is the best time to visit Jaffna?
For sunshine, the best time to visit Jaffna is February, then January and March. The dullest month is October (67/100, 223 mm of rain). The full month-by-month picture is in the table below.
How sunny is Jaffna?
Jaffna gets a lot of sun: around 2,591 hours a year. February (90/100) is noticeably better than October (67). It ranks #3 of 6 destinations in Sri Lanka for annual sunshine, right at the national median of 2,591 hours. Rain has a clear season: the wettest stretch, around November, carries about 58% of the annual 1,195 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 88 | 27° / 81°F | 25° / 77°F | 35 mm | 9 | 28° / 82°F |
| February | 90 | 28° / 82°F | 26° / 79°F | 24 mm | 10 | 29° / 84°F |
| March | 88 | 29° / 84°F | 27° / 81°F | 36 mm | 11 | 30° / 86°F |
| April | 82 | 31° / 88°F | 29° / 84°F | 67 mm | 11 | 32° / 90°F |
| May | 77 | 31° / 88°F | 29° / 84°F | 91 mm | 10 | 32° / 90°F |
| June | 87 | 30° / 86°F | 28° / 82°F | 40 mm | 10 | 30° / 86°F |
| July | 86 | 30° / 86°F | 28° / 82°F | 44 mm | 10 | 30° / 86°F |
| August | 82 | 30° / 86°F | 28° / 82°F | 69 mm | 10 | 30° / 86°F |
| September | 76 | 30° / 86°F | 28° / 82°F | 97 mm | 11 | 30° / 86°F |
| October | 67 | 29° / 84°F | 27° / 81°F | 223 mm | 9 | 30° / 86°F |
| November | 67 | 28° / 82°F | 27° / 81°F | 288 mm | 8 | 29° / 84°F |
| December | 67 | 27° / 81°F | 26° / 79°F | 181 mm | 7 | 28° / 82°F |
Sea temperature in Jaffna by month
The sea off Jaffna is warmest in April at around 32°C / 90°F, and coolest in January at 28°C / 82°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Jaffna: questions and answers
What kind of destination is Jaffna?
Jaffna is a beach resort in Sri Lanka with a tropical — wet & dry seasons climate — the sea reaches 32°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Jaffna get a year?
Jaffna gets about 2,591 hours of sunshine a year, at its best around February.
When is the best time to visit Jaffna?
The sunniest time to visit Jaffna is February, when the Sunshine Score peaks at 90/100 (with January and March close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Jaffna?
October is the least sunny month in Jaffna, scoring 67/100 with about 223 mm of rain.
What is the sea temperature in Jaffna?
The sea in Jaffna ranges from about 28°C (January) to 32°C (April). Month-by-month sea temperatures are on this page.
How strong is the sun in Jaffna?
The typical midday UV index in Jaffna peaks around 11 (extreme) in March, easing to about 7 (high) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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