Sierra Nevada Weather

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The weather of the Sierra Nevada Mountain Range ranges widely, changing from that of a hot desert climate not unlike the Sahara at its eastern base to an artic-alpine climate on the higher peaks. The vast majority of the Sierra Nevada, however, can be categorized as a Mediterranean climate or a low-temperature, micro thermal climates.

Mediterranean climates characterized by warm, hot dry summers and cold, wet winters rule the Sierra below 6000 feet or so. Micro thermal climates are the norm in the high Sierra, and are defined by having an average temperature below 27°F in the coldest months of the year. These are also the areas that receive greatest snowfall in the Sierra.