Located in the middle of the central area of the alpine bioregion of the Pyrenees, the climate of Andorra is a humid mountain climate of latitudes medium, but with Mediterranean influence in the southern sector, where the characteristics are of a continental Mediterranean climate. These conditions give rise to a range of distinct habitats that support a rich biodiversity, some species of which are unique or even endemic. Temperatures evolve from the temperature curves of the temperate zones of the northern hemisphere.
- Temperatures evolve according to the temperature of the northern hemisphere.
- January is the coldest month of the year, with an average temperature of 0.3ºC and July the hottest with an average of 11.27ºC.
- Temperatures follow a very marked pattern by a negative annual mean gradient, varying from -0.4ºC / 100m for the months in which that the phenomena of thermal inversion are more present (October-January) down to -0.6º / 100 meters for the other months.
- The most abundant precipitation occurs in summer (273 mm), then in autumn (259 mm), in spring (237 mm) and finally winter (181 mm).
- Average precipitation is influenced by a first component described by a clearly marked longitudinal gradient that runs from the Atlantic (west) to the Mediterranean (east), and a secondary component defined by a highly differentiated positive altitudinal gradient between the Atlantic slope (mean +0.7 mm / 100m) and the Mediterranean basin (mean +19.8 mm / 100m), with a mean value for the Pyrenees of 11.5 mm / 100m.