The Weather Files May 2026

Relative humidity and barometric pressure. 3. Future Weather Files & Climate Change

These files help predict how cooling demands might increase and heating demands decrease as global temperatures rise. 4. Sourcing & Global Repositories The Weather Files

Reliable weather data is available through several major repositories: Relative humidity and barometric pressure

Tools like the WeatherShift™ tool use climate model projections to adjust historical files for future decades (e.g., 2050 or 2080). The Weather Files

Many countries provide localized data, such as the Building Performance site for Aotearoa New Zealand. An In-Depth Look at Weather Files - ClimateData.ca