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Definition of weather and climate


Weather is the combination of the current meteorological components, e.g. temperature, wind direction and speed, amount and type of precipitation, sun shine hours, etc. The weather is defining a short time period up to several days.

Weather conditions

Weather condition is the regional weather during a defined time period from one up to several weeks. Weather condition is describing typical weather phenomena, such as a series of thunderstorm in hot summer, foggy month in autumn or other weather conditions which are typical for a specific region and/or season.


The climate is describing the long term (min 30 years) and average weather conditions for a specific region. Examples: maritime climate, cold-dry desert climate, tropical climate. Global climate classification maps highlight the high variety of climates. The climate is composed of different components and factors (see the following learning pages). 

Integrated Watershed Management - Network