On January 14, 2026, the World Meteorological Organization (WMO) will reveal the global temperature figures for 2025. This release is significant because it consolidates data from leading international climate monitoring systems, creating a reliable climate benchmark.
This update is crucial for climate scientists, technology leaders, and decision-makers worldwide. It aligns with findings presented at COP30 in Belém, Brazil, revealing that 2025 will likely be among the hottest years recorded.
Currently, climate data comes from multiple sources, making it hard to get a clear picture. The WMO integrates temperature data from eight top climate-monitoring systems, such as:
- Copernicus Climate Change Service (ERA5)
- Japan Meteorological Agency (JRA-55)
- NASA GISTEMP v4
- NOAA GlobalTemp v5
- UK Met Office / University of East Anglia (HadCRUT 5)
- Berkeley Earth
- DCENT (UK/USA)
- CMST (China)
These datasets come from a mix of ground stations, ships, and buoys. Two of them, ERA5 and JRA-55, use advanced models that combine historical data and satellite information. This helps create a comprehensive climate record.
“As climate data volumes grow, the challenge is no longer measurement — it’s integration,” a WMO official emphasized. The goal is to synthesize these varied data points into one trusted signal. This information is vital for policymakers, insurers, and climate tech firms, driving informed decisions.
The importance of this release extends to the tech world, where climate monitoring has emerged as a significant data challenge. Key elements include:
- Sensor networks on land, in the ocean, and in space
- Statistical methods to fill data gaps
- Model-driven approaches for analysis
- Standardizing data across borders
The WMO’s benchmark acts as a crucial reference for those in climate tech, artificial intelligence, and risk analytics. It allows different systems and tools to work together more effectively.
This marks a turning point as extreme weather events are becoming more common. Reliable and unified climate data will play an essential role in determining how quickly sectors can respond to climate changes and adaptation challenges.
As we approach the release date, the data will serve as a key reference point for climate actions and policies in the year ahead. It will be interesting to see how businesses and governments use this information to shape their strategies moving forward.
For more on climate data and its implications, check the WMO’s official site.
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climate data, global temperature, WMO, climate intelligence, Earth observation, data integration, reanalysis models, climate tech, AI and climate, sustainability analytics
