South America imadziwika kuti kontinenti yonyowa kwambiri padziko lapansi, chifukwa imalandira mvula yambiri chaka chilichonse. Apa, makamaka nthawi yachilimwe, mvula yambiri imakhala yodziwika, yomwe imaposa 3000 mm pachaka. Kutentha sikusintha pakadali pano, kuyambira + 20 mpaka +25 digiri Celsius. Pali nkhalango yayikulu m'derali.
Subequatorial lamba
Lamba wa subequatorial lili pamwambapa komanso pansi pa dera la equator, lomwe lili kumwera ndi kumpoto kwa dziko lapansi. Pamalire ndi lamba wa equator, mvula imagwa mpaka 2000 mm pachaka, ndipo nkhalango zamvula zosinthasintha zimakula pano. M'dera ladziko lonse, mvula imagwa pang'ono ndi pang'ono: 500-1000 mm pachaka. Nyengo yozizira imabwera nthawi zosiyanasiyana mchaka, kutengera mtunda wochokera ku equator.
Lamba wotentha
Kum'mwera kwa dera lachigawochi kuli lamba wotentha ku South America. Apa pafupifupi mamilimita 1000 amvula amvula chaka chilichonse, ndipo pali mapiri. Kutentha kwa chilimwe kuli pamwamba pa + 25 madigiri, ndipo nyengo yachisanu yochokera ku +8 mpaka +20.
Lamba lotentha
Dera lina lanyengo ku South America ndi dera lotentha lomwe lili pansipa kotentha. Avereji ya mpweya pachaka ndi 250-500 mm. Mu Januware, kutentha kumafika madigiri +24, ndipo mu Julayi, zizindikilozo zitha kukhala pansi pa 0.
Gawo lakumwera kwenikweni kwa kontrakitala ili ndi nyengo yotentha. Mvula yoposa 250 mm pachaka. Mu Januware, chiwonetserochi chimafika +20, ndipo mu Julayi, kutentha kumatsika pansi pa 0.
Nyengo yaku South America ndiyapadera. Mwachitsanzo, kuno zipululu sizili m'malo otentha, koma nyengo yotentha.