TheclimateinBeijingisofthecontinentaltype,withcoldanddrywinters,duetotheSiberianairmasssesthatmovesouthwardacrosstheMongolianPlateau.ThesummersarehotowingtowarmandhumidmonsoonwindsfromthesoutheastbringingBeijingmostofitsannualprecipitation.JanuaryisthecoldestmonthandJulyisthewarmest.WinterusuallybeginstowardstheendofOctober.Thesummermonths,JunetoAugust,arewetandhotwithabout40%oftheannualprecipitation. 　　Beijing'sclimateisdefinedas"continentalmonsoon."Thefourseasonsaredistinctlyrecognizable.SpringandautumnisthebesttimetobeinBeijing,particularlyinthemonthsofApril,May,SeptemberandOctober. 　　AutumnisconsideredtobethebesttimetovisitBeijingastheskiesareclearandtheweatherisverypleasent. 　　ThefourseasonsareveryclearinBeijingwithatemperatespring,rainysummer,clearautumn,andacold,snowywinter.Theaveragetemperaturethroughouttheyearis11.80.ThecoldestmonthisJanuarywithanaveragetemperatureof-4.60andthehottestmonthisJulyatanaveragetemperatureof26.10.Unfortunately,springandautumnareshorterthansummerandwinter. 　　Althoughwinteriscanbealittlecold,thatshouldnotkeepyoufromtravelingtoBeijingasindoorheatingiswidelyavailable.ASthisthelowseasonpricesarelowerandBeijingislesscrowded.Nevertheless,astheindoor/outdoortemperaturedifferenceisratherlarge,travelersshouldbepreparedwithwarmclothingandathickcoatisrecommendedforthecoldermonthsoftheyear.Inwinter,off-seasondiscountsaretobehadaswell. 　　-- 　　ClothinginBeijing 　　Inautumn,jeansandasweaterareusuallyenough.Inthewarmermonths,T-shirtsandlightpantsorshortsarethebestbet.Inthecoldermonths,itiswisetodressinlayers:longunderwearandjeans,shirt,sweateranddownjacket.Ifyouwanttogolocal,youcanbuyathickcottonarmycoat(jundayi)forlessthan100yuan(12bucks).Raingearisnecessary,especiallyduringthesummermonths. 　　还附加季节的衣着.