Global Climate Data Updates for Building Simulations Released
Global Climate Data Updates for Building Simulations Released
US · Published May 24, 2026
• The website Climate.OneBuilding.Org has released updated climate data files tailored for building simulations. These updates include refreshed Typical Meteorological Year (TMY) files and new datasets for various regions. Notable additions include the 2025 ASHRAE Design Conditions, updated California Climate Zones, and new datasets for Norway, Australia, and New Zealand. The site now hosts over 16,100 locations worldwide, with data spanning from 2004 to
• The updates also incorporate solar radiation data from the ERA5 reanalysis dataset, enhancing the accuracy of climate modeling for building design. Additionally, the site has introduced hourly climate normals for the U.S., covering a 30-year period and including temperature, precipitation, and other climatological variables.

Why It's Important?

These updates are critical for architects, engineers, and researchers involved in energy-efficient building design and climate adaptation. The inclusion of the latest ASHRAE Design Conditions and expanded datasets ensures more accurate simulations, which can lead to better energy performance and sustainability in buildings. The data also supports planning for climate resilience in various regions, including areas prone to extreme weather events.

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