JAFFNA : The Great Norther Peninsula

With a population of 88,138 in 2012, Jaffna is Sri Lanka's 12th most populous city. ... Historically, Jaffna has been a contested city. It was made into a colonial port town during the Portuguese occupation of the Jaffna peninsula in 1619 who lost it to the Dutch, only to lose it to the British in 1796.
Jaffna city can be reached from Colombo via the A9 main motor road. The distance from Colombo to Jaffna is approximately 404km from Colombo to Jaffna along the A3 main road, in view of the road conditions in the Northern province , it takes over 10 hours of drive time.

The Jaffna Fort, the second largest Dutch Fort in Sri Lanka, is located immediately south of the Jaffna town, with the southern side bounded by the shallow waters of Jaffna lagoon, the inlet of the Indian Ocean that carves out the Jaffna Peninsula. Vaitheeswara Kovil located in the town of 
Jaffna, along the KKS Road hosts a couple of annual festivals: the Shivan festival that lasts for no less than twenty days ends with the full moon day in the month of March; Ambal Devi festival which goes on celebrating for ten days ends on the new moon day in the month of July. St. Mary's Cathedral, popularly known as the Jaffna Cathedral is located in the Jaffna town. The foundation stone to St. Mary's Cathedral constructed in Goanese style was laid in1789. The construction of the cathedral was in the beginning led by Portuguese pastor Leonardo Ribeiro of the Oratory of Goa. When the marble tabernacle and exposition over the high alter was brought from Europe, the second Bishop of Jaffna (1893-1918), Frenchman Rev. Dr. Henry Joulain presented the cathedral with a magnificent chime of bells.

Average temperatures in Jaffna vary very little. Considering humidity, temperatures feel hot all year with a low chance of precipitation most of the year. The area is less temperate than some - in the 19th percentile for pleasant weather - compared to tourist destinations worldwide. Weeks with Ideal Weather are listed above. If you're looking for the very warmest time to visit Jaffna, the hottest months are April, June, and then May. See average monthly temperatures below. The warmest time of year is generally early April where highs are regularly around 93.7 F (34.3 C) with temperatures rarely dropping below 79.2 F (26.2 C) at night.