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Cusco Weather by Month

Average temperatures, rainfall and humidity for Cusco, Peru, month by month, built from OpenWeather’s historical records. Use it to see what a typical Cusco month looks like before you travel — then check the live Cusco forecast for the days ahead.

Warmest month

September

19°C average high

Coolest month

July

1°C average low

Wettest month

February

139 mm of rain

Driest month

July

8 mm of rain

Average temperature and rainfall in Cusco by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January17°C7°C1°C / 27°C
102 mm
71%6 km/h
February17°C7°C1°C / 24°C
139 mm
74%6 km/h
March17°C7°C0°C / 23°C
116 mm
73%6 km/h
April18°C5°C-3°C / 23°C
64 mm
68%6 km/h
May18°C3°C-7°C / 24°C
30 mm
63%5 km/h
June18°C1°C-8°C / 23°C
15 mm
58%5 km/h
July18°C1°C-9°C / 24°C
8 mm
54%5 km/h
August19°C2°C-8°C / 25°C
20 mm
57%6 km/h
September19°C5°C-7°C / 26°C
32 mm
58%7 km/h
October19°C6°C-2°C / 26°C
65 mm
60%7 km/h
November19°C7°C-2°C / 28°C
77 mm
63%7 km/h
December17°C7°C1°C / 25°C
111 mm
69%6 km/h

Best time to visit Cusco

The most comfortable time to visit Cusco is generally August to October, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around February, totalling about 779 mm a year.

Travellers who prefer heat should aim for September, when highs average 19°C. February is the month to avoid if rain would spoil your plans — it averages 139 mm, roughly 17× the rainfall of the driest month (July).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Cusco forecast for what is happening now.

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