Chenghai is located in the subtropical zone, a subtropical monsoon climate, warm and pleasant, very hot short, a long frost-free period, the Four Seasons is not clear.
澄海区地处亚热带，属南亚热带季风气候，温暖宜人，酷热期短，无霜期长，四季不甚分明。
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The safety of the high-speed train is affected by the frost damage of the railway subgrade in China's north frozen soil zone.