What is a climate normal?
Quick Answer
A climate normal is a long-term average of weather measurements for a place, usually calculated over 30 years. It helps compare today’s weather with what is typical for that location.
The Full Story
Meteorological organizations use climate normals to summarize temperature, rainfall, snowfall, and other variables across a standard 30-year period. The World Meteorological Organization recommends updating these normals every decade so they stay useful while still smoothing out year-to-year fluctuations. Climate normals are not forecasts; they are reference values for understanding seasonal expectations and climate trends. They are widely used in agriculture, engineering, and weather reporting.
Key Facts
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