燕山山脈為暖溫帶大陸性季風氣候,年平均氣溫6~10℃。1月平均氣溫-12~-6℃,7月平均氣溫20~25℃。10℃以上持續期195~205天,活動積溫2600~3800℃。[1]
延伸閱讀
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註釋
參考來源
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