What does climatology mean?
Climatology is the branch of science concerned with the study of climate — the long-term patterns of temperature, rainfall, wind, and other atmospheric conditions that characterise a place or the planet as a whole. Unlike meteorology, which focuses on short-term weather forecasting, climatology examines averages, trends, and variability across decades, centuries, and even geological timescales. The word can also refer to the documented climate of a specific region, as when scientists describe 'the climatology of the Arctic'. Practitioners, called climatologists, draw on data from weather stations, satellites, ice cores, and tree rings to understand how climates behave and how they are changing. The term carries a formal, scholarly register and appears most often in academic writing, policy documents, and serious journalism. As public attention to global warming has grown, climatology has moved from a specialist discipline into everyday discourse, making it an increasingly important word for anyone following discussions about the environment.
The scientific study of climate, encompassing long-term patterns and averages of atmospheric conditions such as temperature, precipitation, and wind.
"Modern climatology relies heavily on satellite data and computer models to track changes in global temperatures."
The characteristic climate of a particular region as described or classified through scientific observation.
"The climatology of coastal California features dry summers and mild, rainy winters."
Rarely used in the plural; the plural form typically appears only in highly technical contexts referring to multiple regional or statistical climate descriptions.
"The report compared the climatologies of several coastal cities to assess shifting rainfall patterns."
Climatology looks at decades, not days — it is the science that tells us whether this week's heatwave is weather or a warning.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of climatology
Climatology derives from the Greek 'klima', meaning slope or inclination of the sun's rays, which came to denote a zone or region of the earth, combined with '-logy' from Greek 'logos', meaning study or discourse. The term entered English in the 19th century as scientists began systematically recording and analysing long-term weather data. It shares its root with related words such as 'climate' and 'climatic', all tracing back to the same Greek origin.
Related word forms
How climatology is actually used
A formal, technical term used chiefly in academic, scientific, and journalistic contexts; in everyday speech people more often say 'climate science'.
Easily confused with climatology
Meteorology studies short-term weather and atmospheric processes, while climatology examines long-term patterns and averages of climate over decades or centuries.