Monthly Average Rainfall Distribution

Animated GIS-based Rainfall Visualisation (January–December)

Project Overview

This project presents an animated GIS visualisation of monthly average rainfall distribution across Sri Lanka from January to December. The animation highlights spatial and temporal rainfall variability to support climate, hydrological, and seasonal pattern analysis.

Study Area

The study covers the entire island of Sri Lanka, located between 5°55′–9°51′ N latitude and 79°41′–81°53′ E longitude. The country experiences distinct seasonal rainfall patterns influenced by monsoonal systems and topography.

Data Sources

Methodology

Monthly Average Rainfall Animation

Monthly Average Rainfall Distribution of Sri Lanka (Animated)

The animation illustrates monthly rainfall variation across Sri Lanka, with higher rainfall intensities observed during monsoonal periods. A consistent colour scheme enables direct comparison between months.

Rainfall Classification (mm)

Key Observations

Tools & Skills

Conclusion

This project strengthened skills in spatio-temporal climate data visualisation and GIS-based animation techniques. The animated rainfall maps provide an effective tool for communicating seasonal climate variability and supporting hydrological and environmental analysis.