The weather in the Andean highland city of Cusco can be influenced by great masses of air coming in from the rainforest, the rainforest and occassionally from from Patagonia. The air from the Amazon is quite humid; the air from the Peruvian or Bolivian Andes is cold and dry.
The average daytime highs range from 66 F in the dry season (May to September) to 69 F in the rainy season (October to April). The average lows range from 32 F in the dry season to 43 F in the rainy season.
- October is the average warmest month.
- On average, the coolest month is June.
- The maximum average precipitation occurs in January.




