Climate Data & Observations
This section lists sources of climate observations, datasets, and modeling outputs used to describe past, present, and projected climate conditions in Hong Kong and Southeast Asia. The resources may support climate analysis and the development of consistent climate information.
Pacific Climate Change Data Portal
Historical climate data from 100+ observation sites across Pacific Islands and Timor-Leste; provides trends, running and long-term averages for rainfall and temperature extremes.
High-resolution global land and ocean temperature time series data; open access to gridded temperature datasets.
Southeast Asian Climate Assessment & Dataset (SACA&D)
Daily climate observations across 15 countries; 17% of series (over 2,000) publicly downloadable for non-commercial research; includes precipitation and temperature data from 10,064 stations.
ASEAN Specialised Meteorological Centre
Provides regional climate monitoring, diagnostics, and outlooks for ASEAN Member States.
The Asia-Pacific Network for Global Change Research
Supports and synthesizes research on global change issues, offering data and reports relevant to climate modeling and environmental change across the region.
Asia-Pacific Data Research Center
Hosts curated climate datasets and reanalysis products commonly used for Asia-Pacific climate analysis.
Provides climate monitoring products and observationally based climate diagnostics derived from national and regional datasets.
Provides satellite-based Earth observation data supporting climate monitoring in tropical and monsoon regions.
Hong Kong Observatory Open Data Portal
Real-time meteorological data API with 10-minute updates for temperature, humidity, wind, rainfall, lightning, visibility, and solar radiation; includes tropical cyclone track information and 9-day forecasts
Climate and weather datasets (government open data catalogue for climate and weather)