Seasons In Sri Lanka

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Sri Lanka has no marked Seasons.The climate, being tropical consists of distinctive dry and wet seasons. The average temperature of Sri Lanka usually ranges from 28 – 32 degrees Celsius which may differ due to global weather conditions as a whole. In the higher elevations, it can be quite cool with temperatures going down to 16 degrees Celsius. In Colombo, the commercial capital, situated on the west coast, the temperature varies from 26.4º C (79.5 F) to 27.8º C (82.12 F). Relative Humidity varies from 70% during the day to 90% at night. In the lowlands, the climate is typically tropical with an average temperature of 27º C.   However there are certain areas along the coast that are cooled by the ocean breezes. The coldest months according to the mean monthly temperature are December and January while the warmest months are April and August.

Climatically Sri Lanka has no offseason. The southwest monsoon brings rain mainly from May to July to the western, southern and central regions of the island, while the north-east monsoon occurs in the northern and eastern regions during December and January.  

Monsoons play a major role in the share of the annual rainfall and the mean annual rainfall is less than 900mm in the South-eastern and north-western (driest) parts of the island to over 5000mm in the western slopes and the central highlands.