May weather forecast
Machu Picchu, Peru

May's weather in Machu Picchu, Peru, is characterized by a marked decrease in rainfall compared to April, making it one of the driest months. The decrease in temperatures is even more notable with lows dropping to 11°C (51.8°F) from April's 12°C (53.6°F). The UV index remains at 11, indicating the continuous need for sun protection measures. As daylight hours slightly decrease to 11.5, sunshine remains consistent at 8 hours. With May, the dry season comes into full effect, with this pattern remaining consistent through the next month.

Temperature

A negligible change is observed in Machu Picchu's average high-temperature at the start of May, equating it to April's temperature. Despite a noticeable differential from daytime highs, Machu Picchu notes an average nighttime low-temperature of 11°C (51.8°F) in May.

Rainfall

In Machu Picchu, in May, it is raining for 6 days, with typically 23mm (0.91") of accumulated precipitation. In Machu Picchu, during the entire year, the rain falls for 108 days and collects up to 904mm (35.59") of precipitation.

Daylight

In May, the average length of the day is 11h and 31min.
On the first day of the month, sunrise is at 05:58 and sunset at 17:36. On the last day of May, sunrise is at 06:05 and sunset at 17:30 -05.

Sunshine

May through August, with an average of 8h of sunshine, are months with the most sunshine.

UV index

The average daily maximum UV index in May is 11. A UV Index of 11, and more, symbolizes an excessive health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 11 translates into these guidelines:
Take all critical precautions, unprotected skin might burn swiftly. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.