The hottest month in Cusco is typically September, with daytime highs averaging around 18.5°C (65°F), based on 10 years of historical weather data. Overnight lows during this period average near 6.4°C (44°F).

What is the coldest month in Cusco?

The coldest month in Cusco is typically July, with overnight lows averaging around 4.4°C (40°F) and daytime highs near 17.8°C (64°F), based on 10 years of historical weather data.

Does Cusco have a rainy season?

Cusco doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. January is the wettest month on average (about 216 mm), while June is the driest (about 7 mm).

What's the best time of year to visit Cusco?

The best time to visit Cusco is typically May to September, when daytime highs average a comfortable 17.7°C (64°F). Rainfall during this window averages around 21 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Atmospheric Details

Wind

4 km/h

NW · Light Breeze · Max 18 km/h

Humidity

91 %

High · feels muggy

UV Index

High

Visibility

6 km

Good

Pressure

691 hPa

Low · change likely

Dew Point

7°C

Comfortable

Today vs Normal

17°C+1° above normal

The long-term average high for today is 16°C.

16 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

Red = above normal, blue = at or below · last 12 days

Air Quality

Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Health & Activity Advice

✅ Good for Outdoors

UV index is 6 today — moderate. Sunscreen is worth using for extended time outside, but no special precautions are needed for short trips.

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Conditions are comfortable for outdoor activity at most points during the day today.