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信阳位于大别山北麓,属亚热带向暖温带过渡地带。地垮北纬31°23′—32°40′,东径113°42′—115°56′之间。年均温度15.1℃,最冷1月,月均温1.7℃,最热7月,月均温25.3℃,全年≥5℃的日数269—274天,积温5250—5383℃,无霜期217—248天,冻结期30余天,降水量年均900—1200毫米。据地区气象资料分析,本区有10年一大冻,5年一小冻的灾害性天气。1992年3月1—5日寒潮就是10年一大冻,给信阳地区部分植物造成严重的冻害。
Xinyang is located in the northern foot of the Dabie Mountains, is a subtropical to warm temperate transition zone. It flies between 31 ° 23’-32 ° 40’N and 113 ° 42’-115 ° 56’E. The average annual temperature was 15.1 ℃, the coldest month in January, the monthly average temperature of 1.7 ℃, the hottest month in July, the average monthly temperature of 25.3 ℃, the annual number of days ≥5 ℃ 269-274 days, accumulated temperature 5250-5383 ℃, frost-free period 217-248 Day, more than 30 days freeze period, the average annual rainfall of 900-1200 mm. According to the analysis of meteorological data in the region, there are 10-year major freeze in this area and a severe freezing weather in 5 years. March 1-5, 1992 cold wave is a big freeze in 10 years, causing some plants in Xinyang area serious frost damage.