Climate averages 1991–2020
Cusco weather
in August.
A mild, fairly dry month: the 5th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Cusco: daytime highs average 15.7°C and nights cool to about 5.4°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 22 mm of rain on roughly 7 days, which makes August a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 40 min on an average August day.
The nearest other city in this atlas is Abancay (100 km away). In August its highs average 20.3°C, 4.7°C warmer than Cusco, with 22 mm of rain.
Among the 24 cities listed in Peru, Cusco ranks 21st of 24 for the warmest August highs and joint 17th of 24 for the driest August (rainfall, lowest first). The mean August high of those 24 cities is 22.8°C; Cusco is 7.1°C cooler than that mean.
From August to September, average highs rise by 0.6°C to 16.2°C, and monthly rainfall rises from 22 mm to 37 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cusco climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.4°C8.2°C | 8.2°C | 229 | 28.8 | 12.813 h |
| February | 15.4°C8.3°C | 8.3°C | 215 | 26.3 | 12.513 h |
| March | 15.4°C8.1°C | 8.1°C | 169 | 27.4 | 12.212 h |
| April | 15.3°C7.4°C | 7.4°C | 76 | 18.6 | 11.812 h |
| May | 15.3°C6.5°C | 6.5°C | 24 | 8.1 | 11.511 h |
| June | 15.0°C5.4°C | 5.4°C | 11 | 3.3 | 11.311 h |
| July | 15.0°C4.9°C | 4.9°C | 11 | 3.1 | 11.411 h |
| August, selected | 15.7°C5.4°C | 5.4°C | 22 | 6.5 | 11.712 h |
| September | 16.2°C6.6°C | 6.6°C | 37 | 13.1 | 12.012 h |
| October | 16.5°C7.7°C | 7.7°C | 84 | 20.3 | 12.412 h |
| November | 16.6°C8.3°C | 8.3°C | 116 | 22.8 | 12.713 h |
| December | 15.9°C8.4°C | 8.4°C | 196 | 27.6 | 12.913 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Abancay in AugustPeru · 100 kmHigh 20.3°C · Low 9.1°C · 22 mm rain
- Juliaca in AugustPeru · 295 kmHigh 15.4°C · Low -0.8°C · 18 mm rain
- Puerto Maldonado in AugustPeru · 318 kmHigh 30.1°C · Low 20.8°C · 62 mm rain
- Puno in AugustPeru · 331 kmHigh 15.3°C · Low 0.4°C · 20 mm rain
- Huancayo in AugustPeru · 387 kmHigh 13.7°C · Low 3.3°C · 44 mm rain
- Ica in AugustPeru · 411 kmHigh 25.5°C · Low 15.6°C · 0.1 mm rain
- Chincha Alta in AugustPeru · 451 kmHigh 22.4°C · Low 15.9°C · 0.1 mm rain
- Viacha in AugustBolivia · 525 kmHigh 14.5°C · Low -0.7°C · 16 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cusco) is explained once on the Cusco year overview and on the Sources, method and limits page.