Peru climate

World Climates covers 21 places in Peru. By annual mean temperature, the warmest is Trujillo (30 °C86 °F) and the coolest is Juliaca (10 °C49 °F). The wettest is Iquitos with 3,110 mm122 in of precipitation per year, the driest Lima with 24 mm0.9 in.

The most common climate types (Köppen classification computed from these averages) are hot desert (BWh, 10 places), cold semi-arid (BSk, 4 places), subtropical highland (dry winter) (Cwb, 3 places) and cold desert (BWk, 1 place).

The highest monthly average high is in Trujillo (37 °C98 °F in August); the lowest monthly average low is in Juliaca (−1 °C31 °F in July).

Across the places in Peru, the months that most often rank as the most comfortable are June, October and November (16, 17 and 17 of 21 places respectively).

Temperature and rainfall across Peru

Annual mean temperatures in Peru range from 10 °C49 °F to 30 °C86 °F. The typical place (the median of all 21) has a year average of 21 °C69 °F. Annual precipitation ranges from 24 mm0.9 in to 3,110 mm122 in. The median place receives about 178 mm7.0 in in an average year.

In 1 place of 21, the coldest month has an average low below 0 °C (32 °F). In 7 places, the warmest month has an average high above 30 °C (86 °F). 11 places get less than 250 mm (10 in) of precipitation a year, which is very dry. 1 place get more than 2,000 mm (79 in), which is very wet.

Averaged over all 21 places, February is the warmest month, with a mean of 21 °C70 °F. July is the coldest, with 19 °C65 °F. The wettest month on average is March (64 mm2.5 in). The driest is August (14 mm0.5 in). Single places can differ a lot from this average, so check the page of each city.

The table below lists the places sorted by population. The largest ones covered here are Lima, Arequipa and Trujillo. Each city page has a chart and a table for every month. It also shows the best time to visit and what to pack. The figures are 25-year averages for 2001–2025 from NASA POWER. They describe grid cells of roughly 50–70 km, not single weather stations.

Frequently asked questions

Which is the warmest place in Peru?

By annual mean temperature, the warmest place in Peru is Trujillo at 30 °C86 °F. The coolest is Juliaca at 10 °C49 °F.

Where does it rain the most in Peru?

Iquitos gets the most precipitation, 3,110 mm122 in in an average year. The driest place is Lima with 24 mm0.9 in.

How many places in Peru does this site cover?

World Climates has climate data for 21 places in Peru. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Peru?

It depends on the place. Across Peru, the months that most often rank as the most comfortable are June, October and November. Check the page of each city for its own best months.