Climate Insights for Cusco

The climate in Cusco is cool. The average annual temperature is 10°C and approximately 1215mm of precipitation falls per year. February is the wettest month, receiving around 240mm of rainfall. Cusco is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: November, October, September. The coldest months are July, June, August, when temperatures can drop to 2°C. Light snow can occur between October and December.

Cusco sees moderate temperature variation throughout the year, ranging from 2°C to 17°C. November is the warmest month, though highs remain moderate at 17°C with a mean of 11°C. July is the coolest month, with minimum temperatures around 2°C and an average of 8°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs.

Cusco is a fairly wet location, receiving approximately 1215mm of precipitation annually, which averages out to around 101mm per month. The wettest month is February, averaging 240mm of rainfall. December and January also tend to see above-average precipitation. The driest month is June, with just 17mm. That's 223mm less than February, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between October and December, totalling around 6cm annually. December is the snowiest month with approximately 2cm.

Cusco is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 0km/h gap between the calmest and windiest months.

It is currently autumn in Cusco, which began on March 20, 2026. Cusco is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in November at around 17°C, while the coldest stretch bottoms out in July near 2°C. Winter is next, beginning on June 21, 2026 — 3 days from now.

The table below shows monthly climate averages for Cusco based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.