The climate of Sri Lanka, city by city

This page lists the 60 cities in Sri Lanka for which climate normals are available. Each entry covers temperature, rainfall and how the climate changed between 1940 and 2025, computed from ERA5 reanalysis data.

+1.4 °C since 1940

Frequently asked questions

What is the hottest city in Sri Lanka?

The hottest city in Sri Lanka is Valvettithurai, with an average annual temperature of 27.7 °C.

What is the coldest city in Sri Lanka?

The coldest city in Sri Lanka is Nuwara Eliya, with an average annual temperature of 20.0 °C.

What is the wettest city in Sri Lanka?

The wettest city in Sri Lanka is Ratnapura, with 4,254 mm of precipitation per year.

Has the climate of Sri Lanka warmed?

Based on its largest cities, Sri Lanka warmed by +1.4 °C between 1940 and 2025.

Cities by region