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In page Guardia Lombardi:

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According to the Köppen climate classification, Guardia belongs to the Csa range (warm temperate climate, steppe-type precipitation, hot summer).[1] It is within the temperate zone of the middle latitudes, but its climate is affected by its altitude and topography. In particular, the winter is characterized by frequent rains and heavy snowfall relative to its region. The temperature often drops below freezing (in Celsius) between the months of November and April, with minimum temperatures hitting −10 °C (14 °F). During autumn, fog is quite common. Summer is dry, with maximum temperatures that rarely exceed 30 °C (86 °F).