海南是我国最具热带季风气候特色的地方,全年暖热,雨量充沛.各地年平均气温在23-25℃之间,全岛年平均降雨量在1500毫米以上.

　　HainanisChina'smosttropicalmonsoonclimatecharacteristic,annualrainfall,warm.Allannualaveragetemperaturein23-25°c,theaverageannualrainfallofislandin15millimeterabove.

　　海南岛地处热带北缘,属热带季风气候,素来有“天然大温室”的美称,这里长夏无冬,年平均气温22~26℃,≥10℃的积温为8200℃,最冷的一、二月份温度仍达16℃—21℃,年光照为1750—2650小时,光照率为50%—60%,光温充足,光合潜力高.海南岛入春早,升温快,日温差大,全年无霜冻,冬季温暖,稻可三熟,菜满四季,是我国南繁育种的理想基地.海南省雨量充沛,年平均降雨量为1639毫米,有明显的多雨季和少雨季.每年的5—10月份是多雨季,总降雨量达1500毫米左右,占全年总降雨量的70—90%,雨源主要有锋面雨、热雷雨、和台风雨,每年11月至翌年4月为少雨季,仅占全年降雨量的10—30%,少雨季干旱常常发生.

　　Hainanislandislocatedintropicalnorthern,tropicalmonsoonclimate,have"naturalbiggreenhouse"thelaudatoryname,nolongersummerhere,annualaveragetemperatureinwinter22-26°c,thetemperatureofthecoldforhightemperatureisstilla,February16-21degreesoflight,for1750,therateoflight-26.5hoursfor50-60%,light,photosyntheticpotentialhightemperatureenough.Hainanisland,earlyspring,warmingfaster,temperature,nofrost,winter,rice,vegetablescanbefilledwiththreeseasons,isourcountrysouthoftheidealbreedingbase.Hainanabundantprecipitation,theaverageannualrainfallfor1639mm,significantlylessthanmonsoonrainsand.Every5-10intherainyseason,thetotalrainfallismorethan150millimeter,totalannualrainfallof70-90percent,themainsourceofrain,rain,hotfrontalthunderstormandrain,thefollowingyearNovembertoAprilrainsless,onlyfor10-30%ofannualrainfall,lessoftenoccurinrainyseasondrought.

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