Climate guide for Cusco, Peru

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Cusco

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About Cusco

Cusco is a sightseeing destination in Peru. Its setting includes Ancient capital of the Inca Empire nestled in the Peruvian Andes. Use the monthly scores to plan walking and sightseeing days around heat, rainfall, humidity and daylight.

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Best time to visit Cusco
Check seasonal weather trends and book accommodations in advance for Cusco.

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 October, followed by August, September. Those months combine the most usable temperatures with the fewest lost days to rain: October averages 10°C with 16 mm of rain and about 24 sunny days. The months to avoid unless you have a specific reason are February, December. If budget matters more than perfect weather, February is the strongest of the low-rate months at 4.2/10.

Across the year Cusco swings from 8°C in June to 10°C in October, a 2-degree spread, while rainfall ranges from 1 mm in August to 337 mm in February. 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 4.8 points on a 10-point scale.

Warmest month: October (10°C). Coolest: June (8°C). Driest: August (1 mm). Wettest: February (337 mm).

Cusco month by month

January in Cusco — workable with trade-offs

Trade-offs · 6.9/10

January averages 9°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 79 mm, so plan one flexible day in three; you still get about 18 sunny days and 12.7 hours of daylight.

It scores 6.9/10 here, 8th of 12 months, against 9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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

If your dates are flexible, October is materially better in Cusco — 2.1 points higher on the same scale.

February in Cusco — the hardest end of the year

Hardest · 4.2/10

February averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

337 mm of rain puts this in monsoon territory — about 15 sunny days across the whole month, and multi-day washouts are normal.

It scores 4.2/10 here, 12th of 12 months, against 9/10 in the destination's best month.

Expect 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, October is materially better in Cusco — 4.8 points higher on the same scale.

March in Cusco — workable with trade-offs

Trade-offs · 6.5/10

March averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rainfall runs 85 mm, so plan one flexible day in three; you still get about 18 sunny days and 12.1 hours of daylight.

It scores 6.5/10 here, 10th of 12 months, against 9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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

If your dates are flexible, October is materially better in Cusco — 2.5 points higher on the same scale.

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

Good · 8.2/10

April averages 9°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 32 mm of rain — occasional showers rather than washed-out days — alongside about 19 sunny days and 11.7 daylight hours.

It scores 8.2/10 here, 6th of 12 months, against 9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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

May in Cusco — reliably good (7th best month)

Good · 8.2/10

May averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 9 mm for the month, with about 17 sunny days and 11.4 hours of daylight to work with.

It scores 8.2/10 here, 7th of 12 months, against 9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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

June in Cusco — reliably good (5th best month)

Good · 8.3/10

June averages 8°C (47°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 11 mm for the month, with about 19 sunny days and 11.2 hours of daylight to work with.

It scores 8.3/10 here, 5th of 12 months, against 9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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

July in Cusco — the year's strongest window

Best window · 8.6/10

July averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 3 mm for the month, with about 21 sunny days and 11.3 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Cusco at 8.6/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here.

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

August in Cusco — the year's strongest window

Best window · 8.7/10

August averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 1 mm for the month, with about 22 sunny days and 11.5 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Cusco at 8.7/10 — 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 in Cusco — the year's strongest window

Best window · 8.7/10

September averages 10°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 13 mm for the month, with about 20 sunny days and 11.9 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for Cusco at 8.7/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

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

October in Cusco — the year's strongest window

Best window · 9/10

October averages 10°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 16 mm of rain — occasional showers rather than washed-out days — alongside about 24 sunny days and 12.3 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Cusco at 9/10 — the reference point every other month on this page is measured against.

Expect mid-season pricing, and crowds are moderate.

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

November in Cusco — workable with trade-offs

Trade-offs · 6.6/10

November averages 10°C (50°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 114 mm this is a genuinely wet month: about 21 sunny days in total, and outdoor plans need an indoor fallback.

It scores 6.6/10 here, 9th of 12 months, against 9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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, October is materially better in Cusco — 2.4 points higher on the same scale.

December in Cusco — workable with trade-offs

Trade-offs · 6.5/10

December averages 9°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 102 mm this is a genuinely wet month: about 19 sunny days in total, and outdoor plans need an indoor fallback.

It scores 6.5/10 here, 11th of 12 months, against 9/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

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, October is materially better in Cusco — 2.5 points higher on the same scale.

Frequently asked

When is the best time to visit Cusco, Peru?
In Ideal Weather mode, the best months to visit Cusco are October, August, September, July, June, April. October is the single peak month with an Ideal Weather score of 9.0/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
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 8°C in June to 10°C in October, with Ideal Weather scores between 4.2 and 9.0 out of 10.
Which months should I avoid in Cusco?
The lowest Ideal Weather-scoring months in Cusco are February (4.2/10), March (6.5/10), December (6.5/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Cusco?
February is the wettest month in Cusco, averaging about 337 mm of rainfall. August is the driest, at roughly 1 mm.
Which is the sunniest month in Cusco?
October sees the most sun in Cusco, with about 24 sunny days 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 (October, August, September, July, June, April) 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 historical sunny days - weighted for sightseeing and cultural travel.

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