Mountain air

Cusco weather in August

Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

58

Holiday weather in August

Fair

Best time to visit: April – December

Air temperature16°CNight 6°
Sea temperature–no sea nearby
Sunshine6hrs / dayof 11.6 h daylight
Rainy days26days / month152 mm

What is the weather like in Cusco in August?

In August, Cusco is cool: daytime highs average 16 °C, and nights cool down to about 6 °C. Expect around 6 hours of sunshine a day. It rains often – on about 26 days, adding up to 152 mm. All in all, August is a so-so month for a holiday in Cusco.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score555858
Day16°16°16°
Night6°6°7°
Sun5 h6 h6 h
Rain days232626

More details for August

Daylight
11 h 39 min06:03 – 17:42
UV index
12 · extremeclear sky, noon (estimate)
Muggy days
0 daysdew point 18 °C or more
Wind
9 km/haverage daily peak
Cloud cover
74 %on average
Hot days
0 days30 °C or more
Snow days
1 day1 cm or more of fresh snow
Time zone
UTC−5America/Lima

How the score comes together

  • Temperatureweight 50 %99 %
  • Sunshineweight 20 %43 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in August

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Cusco in August: quick answers

Is Cusco hot in August?

No. In August, Cusco is cool: daytime highs average 16 °C and nights drop to about 6 °C.

Does it rain much in Cusco in August?

It rains often – on about 26 days, adding up to 152 mm.

Cusco month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)