- Rain mm/yr
- 710
Updated July 2026 · Sources cited: climatestotravel.com, weather-and-climate.com
Good to know
Good to Know
- Temperature swings are dramatic: sunny 20°C (68°F) days can drop to near-freezing nights. Pack layers always.
- UV radiation is very strong year-round due to altitude and tropical latitude—sunscreen and sun protection are essential even on cloudy days.
- In the rainy season, showers typically fall in afternoons/evenings; mornings are often clear and suitable for outdoor activities.
- The Inca Trail and other major treks close in February for maintenance during the wettest period.
- June is the driest and coldest month with the longest daylight hours—ideal for photography but very busy with tourists.
- Late April–May and September–October offer the best combination of dry weather, manageable crowds, and reasonable prices.
Seasons
Dry Season
- Months
- May to September
- Description
- Clear blue skies, very little rain, and cold nights. Most popular time for trekking and sightseeing.
Rainy Season
- Months
- November to March
- Description
- Frequent afternoon showers and occasional thunderstorms. Landscape turns green. Mornings often remain clear and usable.
Transition Months
- Months
- April and October
- Description
- Shoulder season blending characteristics of both seasons. Mostly dry days with occasional showers and manageable crowds.
Rainfall
- Driest Month
- June
- Annual Total Mm
- 710
- Peak Rainfall Mm
- 145
- Driest Rainfall Mm
- 2
- Peak Rainfall Month
- January
- Rainy Season Pattern
- Concentrated December to March, averaging 100+ mm per month during these months. Afternoon/evening showers are typical.
Snowfall
- Status
- Rare in Cusco city proper at 3,400m elevation, but can occur at higher altitudes in surrounding mountains during winter months (June–August). Rainbow Mountain area may have snow during dry season.
Temperature Peaks
- Coldest Months
- June and July
- Peak Warmth Months
- October and November
Coldest Night
- Celsius
- 0
- Fahrenheit
- 32
Peak Warmth Day
- Celsius
- 17
- Fahrenheit
- 63
Temperature Summary
Daytime Range
- Max Celsius
- 20
- Min Celsius
- 15
- Max Fahrenheit
- 68
- Min Fahrenheit
- 59
- Note
- Stable throughout the year, rarely exceeds 23°C (73°F)
Nighttime Range
- Dry Season Celsius
- 0 to 4
- Rainy Season Celsius
- 4 to 8
- Dry Season Fahrenheit
- 0 to 4
- Rainy Season Fahrenheit
- 4 to 8
Best Months To Visit
- Avoid
- January and February for major treks (Inca Trail closes in February for maintenance)
- Optimal
- May, June–August (for trekking), September, late April–early October
- Budget Friendly
- January, February, November, December
- Shoulder Sweet Spot
- April, May, September, October
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
More About Cusco
Data last updated July 2026 · Verify anything important.