December weather forecast
Machu Picchu, Peru

December's weather in Machu Picchu, Peru, receives the maximum precipitation of 121mm (4.76"), making it the wettest month of the year. The temperatures remain at their highest, sticking to 26°C (78.8°F), while the lows remain constant at 13°C (55.4°F). With slightly more daylight hours at 12.9, December makes the most of the 6 hours of sunshine. The UV index remains high at 12, indicating the ongoing need for sun protection measures. Moving from December to January, rainfall decreases, signaling the close of the wet season.

Temperature

Machu Picchu sees the highest average temperatures during the months of September, November and December, peaking at 26°C (78.8°F).

Rainfall

In Machu Picchu, during December, the rain falls for 13 days and regularly aggregates up to 121mm (4.76") of precipitation. In Machu Picchu, during the entire year, the rain falls for 108 days and collects up to 904mm (35.59") of precipitation.

Daylight

With an average of 12h and 54min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:14 and sunset at 18:04. On the last day of December, sunrise is at 05:26 and sunset at 18:20 -05.

Sunshine

In Machu Picchu, the average sunshine in December is 6h.

UV index

The months with the highest UV index are January through April, August through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 12 during December translates into the following directions:
Carry out all important precautions, unprotected skin could get burns in no time. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.