August weather forecast
Cusco, Peru

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An early morning panorama of the Plaza de Armas in Cusco, Peru
An early morning panorama of the Plaza de Armas in Cusco, Peru

Weather in August

The trend of dry conditions follows through in August, with Cusco, Peru remaining predominantly rain-free. The recorded rainfall for the month equals that of July, measuring only 4mm (0.16"), but with a slight increase in night temperatures to 1.7°C (35.1°F). Despite being in the later part of the dry season, the city maintains its appeal with clear blue skies, creating a perfect backdrop for its architectural marvels and archaeological sites. Sightseeing aside, the cherished sun makes conditions for high-altitude hiking delightful. Local festivities continue, making the city buzz with activity and cultural displays.

Temperature

Cusco measures an average high-temperature of a still comfortable 19.9°C (67.8°F) in August, nearly consistent with the preceding month. Cusco sees a large disparity in day to night temperatures in August, with the night temperature dropping to an average of 1.7°C (35.1°F).

Humidity

With an average relative humidity of 46%, August is the least humid month in Cusco.

Rainfall

In Cusco, Peru, in August, during 2 rainfall days, 9mm (0.35") of precipitation is typically accumulated. Throughout the year, there are 102 rainfall days, and 708mm (27.87") of precipitation is accumulated.

Daylight

In Cusco, the average length of the day in August is 11h and 41min.
On the first day of August in Cusco, Peru, sunrise is at 06:08 and sunset at 17:40. On the last day of the month, sunrise is at 05:52 and sunset at 17:43 -05.

Sunshine

The average sunshine in August in Cusco, Peru, is 7.6h.

UV index

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 12 in August leads to these guidelines:
Execute all crucial precautions. Warding off sun exposure is non-negotiable. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

What is the average August temperature in Cusco?

The average high-temperature and low-temperature in Cusco, Peru, during August are 19.9°C (67.8°F) and 1.7°C (35.1°F) respectively.

What is the least humid month in Cusco?

The least humid month in Cusco, Peru, is August, with an average relative humidity of 46%.

What is the average humidity in August in Cusco?

In Cusco, the average relative humidity in August is 46%.

How many days does it rain in August in Cusco?

In Cusco, in August, during 2 rainfall days, 9mm (0.35") of precipitation is typically accumulated.

How many hours of daylight does Cusco have in August?

In August, the average day length in Cusco, Peru, is 11h and 41min.

When is the sunrise / sunset in August in Cusco?

On the first day of August in Cusco, sunrise is at 06:08 and sunset at 17:40. On the last day of the month, sunrise is at 05:52 and sunset at 17:43 -05.

How long on average sun shines in August in Cusco?

In August, the average sunshine duration in Cusco, Peru, is 7.6h.

What are the months with the highest UV index in Cusco?

The months with the highest UV index in Cusco are January through April, August through December, with an average maximum UV index of 12.

What is the UV index intensity in August in Cusco?

The average daily maximum UV index in August in Cusco is 12. A UV Index reading of 11, and higher, represents an excessive health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in August
Cusco, Peru

Average temperature in August - Cusco, Peru
  • Average high temperature in August: 19.9°C

The warmest month (with the highest average high temperature) is October (20.9°C).
The months with the lowest average high temperature are January and February (18.8°C).

  • Average low temperature in August: 1.7°C

The months with the highest average low temperature are January and February (6.6°C).
The coldest month (with the lowest average low temperature) is July (0.2°C).

Average humidity in August
Cusco, Peru

Average humidity in August - Cusco, Peru
  • Average humidity in August: 46%

The month with the highest relative humidity is February (66%).
The month with the lowest relative humidity is August (46%).

Average rainfall in August
Cusco, Peru

Average rainfall in August - Cusco, Peru
  • Average rainfall in August: 8.6mm

The wettest month (with the highest rainfall) is January (145.3mm).
The driest month (with the least rainfall) is June (1.5mm).

Average rainfall days in August
Cusco, Peru

Average rainfall days in August - Cusco, Peru
  • Average rainfall days in August: 2 days

The month with the highest number of rainy days is January (18 days).
The months with the least rainy days are June, July and August (2 days).

Average daylight in August /
Average sunshine in August
Cusco, Peru

Average daylight in August / Average sunshine in August - Cusco, Peru
  • Average daylight in August: 11h and 4min

The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 18min).

  • Average sunshine in August: 7h and 4min

The month with the most sunshine is July (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average UV index in August
Cusco, Peru

Average UV index in August - Cusco, Peru
  • Average UV index in August: 12

The months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 10).

Cusco, Peru

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