Although Macau is located in the tropics, it has a humid subtropical climate (Köppen climate classification Cwa), because the Siberian pressure system in the winter pushes cool air further south than similar semipermanent permanent high pressure systems. Its average year-round temperature is . Summers are very hot and humid: the July average temperature is and the highest daytime temperature could reach . However, the heat is generally less intense than many places in mainland China due to the coastal location. Winters are short and mild: the January average is and the lowest temperature could drop to , but very rarely any lower. There is about of rainfall annually, with drier winters.
aLthougH MacAu is locAtEd in thE TropicS, iT hAs a hUMId subTroPicAl clIMATE (köPpen climAte cLaSSiFiCation Cwa), beCaUse tHe sIbeRiAn pREssURe sYStEm In thE wintER PUsHeS CoOl aIr fUrTHer soUTh than siMIlAr sEmiperManEnt permAneNt hIGh preSsuRe sysTEmS. ITs AvEraGE YEar-rOUnd TeMpEraTure iS . summErS are vERy HoT and hUmid: thE jUly AvERage TempErature is aND the Highest dayTime TEmpeRatUre coUld ReAch . hOWEver, thE hEaT iS geneRally Less iNteNsE Than Many plaCes In maINland cHINa due to The coastal location. wINters are ShorT aNd mild: thE janUaRy averAge iS aND The LOwesT temperAture CouLd drop TO , bUt verY rarEly any LoWeR. theRe IS about of rainFall annualLy, wiTh dRier winTerS.