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Climate: Gampaha

The climate is tropical in Gampaha. There is significant rainfall throughout the year in Gampaha. Even the driest month still has a lot of rainfall. According to Köppen and Geiger climate is classified as Af. The average annual temperature in Gampaha is 27.3 °C. The average annual rainfall is 2398 mm.

Climate graph

Climate graph, Gampaha

The driest month is January with 62 mm. Most precipitation falls in October, with an average of 365 mm.

Temperature graph

Temperature graph, Gampaha

The warmest month of the year is April with an average temperature of 28.4 °C. In December, the average temperature is 26.1 °C. It is the lowest average temperature of the whole year.

Climate table

Climate table, Gampaha

The difference in precipitation between the driest month and the wettest month is 303 mm. The average temperatures vary during the year by 2.3 °C.