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In page Switzerland:

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The Swiss climate is generally temperate, but can vary greatly across localities,[1] from glacial conditions on the mountaintops to the near-Mediterranean climate at Switzerland's southern tip. Some valley areas in the southern part of Switzerland offer cold-hardy palm trees. Summers tend to be warm and humid at times with periodic rainfall, ideal for pastures/grazing. The less humid winters in the mountains may see weeks-long intervals of stable conditions. At the same time, the lower lands tend to suffer from inversion during such periods, hiding the sun.[citation needed]