October weather forecast
Machu Picchu, Peru

October's weather at Machu Picchu Peru sees a further rise in rainfall to 75mm (2.95"), a substantial increase from September's 44mm (1.73"). This signifies the continuing progression of the wet season. Throughout October, temperatures hover between highs of 25°C (77°F) and lows of 12°C (53.6°F). The number of sunshine hours remains stable at 7, offering substantial daylight to visitors despite the weather changes. The progression from October to November heightens the rainy season, signaling wetter months ahead.

Temperature

Machu Picchu's shift into October sets the average high-temperature at a still warm 25°C (77°F), a figure that deviates only slightly from September's 26°C (78.8°F). Machu Picchu, in the heat of October, registers a significant plunge to a mean of 12°C (53.6°F) during the nights.

Rainfall

In Machu Picchu, in October, it is raining for 9 days, with typically 75mm (2.95") of accumulated precipitation. Throughout the year, there are 108 rainfall days, and 904mm (35.59") of precipitation is accumulated.

Daylight

The average length of the day in October in Machu Picchu is 12h and 24min.
On the first day of October, sunrise is at 05:32 and sunset at 17:46. On the last day of the month, sunrise is at 05:16 and sunset at 17:51 -05.

Sunshine

The average sunshine in October is 7h.

UV index

The months with the highest UV index in Machu Picchu are January through April, August through December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 12 during October leads to these instructions:
Undertake all critical precautions. Protection from sun harm is vital. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.