Climate guide for Cusco, Peru

Best Time to Visit
Cusco

How to read the score (0–10)
05810
UnfavorableGoodOptimal
01 · Peru

About Cusco

November-March (shoulder into dry season edges) favors Cusco plazas, Sacsayhuamán, and Sacred Valley trains toward Machu Picchu. Acclimatize first; hike early before afternoon clouds build.

02

Did you know?

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Travel Tips

01Best time & timing
The strongest months are August, June, July: August peaks at 9.2/10, while January drops to 6.0/10.
02Weather & what to pack
11°C and 20 mm of rain shape a typical August here. Pack a mid-weight jacket and shoes you can walk in all day.
03Crowds & value
Book early for August, the busiest stretch; October is the value window at 7.9/10.

Things to do in Cusco

Cusco, Peru. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Cusco: the short answer

The best time to visit Cusco is August, followed by June, July. Those months combine the most usable temperatures with the fewest lost days to rain: August averages 11°C with 20 mm of rain and about 31 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are January, March. If budget matters more than perfect weather, November is the strongest of the low-rate months at 6.7/10.

Across the year Cusco swings from 11°C in June to 13°C in October, a 2-degree spread, while rainfall ranges from 5 mm in June to 225 mm in January. That is the whole planning problem in one sentence: Cusco is not equally good year-round, and the difference between the best and worst month here is 3.2 points on a 10-point scale.

Warmest month: October (13°C). Coolest: June (11°C). Driest: June (5 mm). Wettest: January (225 mm).

Cusco month by month

January in Cusco — workable with trade-offs

Trade-offs · 6/10

January averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

225 mm makes this the wettest stretch of the year, though about 26 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.

It scores 6/10 here, 12th of 12 months, against 9.2/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.

Flexible dates? August scores 3.2 points higher here — enough to change the trip.

February in Cusco — workable with trade-offs

Trade-offs · 6.2/10

February averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Monthly rainfall reaches 187 mm — wet for this destination — but about 25 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 6.2/10 here, 10th of 12 months, against 9.2/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.

Flexible dates? August scores 3 points higher here — enough to change the trip.

March in Cusco: mixed conditions, plan around the weather

Trade-offs · 6.1/10

Expect 12°C (53°F) in March. A good month for city streets, viewpoints and long meals; leave swimming for another season.

180 mm of rain makes this a wet month here, though with about 27 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 6.1/10 on the same scale — 11th of 12 months, versus 9.2/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.

If your dates are flexible, August is materially better in Cusco — 3.1 points higher on the same scale.

April holds up well in Cusco — 7th best month

Good · 7.7/10

April averages 11°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 75 mm, so plan one flexible day in three; you still get about 29 days with 6+ hours of sunshine and 11.8 hours of daylight.

It scores 7.7/10 here, 7th of 12 months, against 9.2/10 in the destination's best month.

Figure on mid-season pricing, with crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

May is one of the strongest months in Cusco (5th)

Best window · 8.9/10

Expect 11°C (52°F) in May. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 35 mm of rain, any showers tend to pass through rather than settle in; about 30 days with 6+ hours of sunshine and 11.5 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Cusco at 8.9/10 (5th of 12), just behind August at 9.2/10.

Expect mid-season pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

June ranks 2nd of 12 for Cusco — one of the best windows

Best window · 9.1/10

June averages 11°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 5 mm for the month, with about 30 days with 6+ hours of sunshine and 11.3 hours of daylight to work with.

A 9.1/10 puts this among the year's best months in Cusco (2nd of 12); only August scores higher, at 9.2/10.

Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

July ranks 3rd of 12 for Cusco — one of the best windows

Best window · 9.1/10

July averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 7 mm for the month, with about 31 days with 6+ hours of sunshine and 11.4 hours of daylight to work with.

A 9.1/10 puts this among the year's best months in Cusco (3rd of 12); only August scores higher, at 9.2/10.

Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

August: the best month of the year in Cusco

Best window · 9.2/10

Expect 11°C (52°F) in August. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 20 mm of rain, any showers tend to pass through rather than settle in; about 31 days with 6+ hours of sunshine and 11.7 hours of daylight fill the rest.

On our climate-comfort scale this is the top-ranked month of the year for Cusco at 9.2/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

September ranks 4th of 12 for Cusco — one of the best windows

Best window · 9.1/10

Expect 12°C (53°F) in September. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 41 mm of rain, any showers tend to pass through rather than settle in; about 30 days with 6+ hours of sunshine and 12 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Cusco at 9.1/10 (4th of 12), just behind August at 9.2/10.

Budget for peak pricing, and crowds are moderate.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

October in Cusco — reliably good (6th best month)

Good · 7.9/10

October averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 91 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 12.4 hours of daylight.

It scores 7.9/10 here, 6th of 12 months, against 9.2/10 in the destination's best month.

Figure on mid-season pricing, with crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

November in Cusco — middling scores, decent value

Trade-offs · 6.7/10

November averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Monthly rainfall reaches 169 mm — wet for this destination — but about 28 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 6.7/10 here, 8th of 12 months, against 9.2/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

Flexible dates? August scores 2.5 points higher here — enough to change the trip.

December in Cusco: mixed conditions, plan around the weather

Trade-offs · 6.5/10

Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.

181 mm of rain makes this a wet month here, though with about 28 days with 6+ hours of sunshine there is still bright weather between the fronts.

That is 6.5/10 on the same scale — 9th of 12 months, versus 9.2/10 for the best month here.

Budget for mid-season pricing, and crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

If your dates are flexible, August is materially better in Cusco — 2.7 points higher on the same scale.

FAQ

Frequently asked

When is the best time to visit Cusco, Peru?
In Ideal Weather mode, the best months to visit Cusco are August, June, July, September, May. August is the single peak month with an Ideal Weather score of 9.2/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Cusco year-round?
Cusco has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 11°C in June to 13°C in October, with Ideal Weather scores between 6.0 and 9.2 out of 10.
Which months should I avoid in Cusco?
The lowest Ideal Weather-scoring months in Cusco are January (6.0/10), March (6.1/10), February (6.2/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Cusco?
January is the wettest month in Cusco, averaging about 225 mm of rainfall. June is the driest, at roughly 5 mm.
Which is the sunniest month in Cusco?
July sees the most sun in Cusco, with about 31 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Cusco a good destination for sightseeing and cultural travel?
Cusco is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (August, June, July, September, May) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Cusco calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Cusco: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for sightseeing and cultural travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

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