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World weather/Continents and regions/South America
CONTINENT · WEATHER AND TRIP PLANNING

South America: weather
and when to go

The coast, Andes and tropics have different seasons. Compare the month you plan to travel rather than applying one city’s weather to a whole country.

CITY FORECASTS

Weather map in South America

Choose a date. Select a city to see the full forecast.

3 Nov

Range of daily highs from all available city forecasts in the region, including cities outside the map view. Tile colour: the average of these temperatures.

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Colour: daytime temperature 3 Nov

CityHigh / lowRain
Rio de JaneiroBrazil30° 25°2.1 mmSão PauloBrazil34° 19°0.1 mmLimaPeru26° 23°0.7 mmCuzcoPeru20° 9°0.3 mmBuenos AiresArgentina23° 17°0.1 mmSantiagoChile25° 11°1.8 mmMontevideoUruguay21° 15°3.9 mmManausBrazil38° 24°0.2 mmCaracasVenezuela33° 21°4.2 mmTeresinaBrazil39° 27°0.2 mm

Country colours show the average forecast high for cities in the region. Grey indicates missing data.

Temperatures show daily highs and lows, and rainfall shows the daily total. The map presents forecasts for selected cities.

BEFORE CHOOSING YOUR DATES

How to compare the weather in South America?

Andean nights can be much cooler than the days. In the tropics, look beyond high temperatures to rainfall and warm nights.

SOUTH AMERICA · CHOOSE A MONTH AND HOLIDAY TYPE

Where to go and when?
Compare the weather in South America.

Compare daytime and nighttime temperatures and how often a historical week matched your plans.

Month
What kind of holiday?
What matters most?
Historical period:
WEATHER HISTORY · 2016–2025

Destinations for sightseeing in November

4 destinations

Temperatures of 18–28°C and daily rainfall below 1 mm. Selected preference: suitable holiday days.

Based on historical data from 7-day periods within the month. We include all complete weeks, including those with overlapping dates. Up to 2 destinations per country are shown.

We compare selected travel destinations by weather. Current travel advisories and entry requirements are available from official sources.

MORE THAN TEMPERATURE

A dry week, cooler nights or steadier temperatures?

Compare destinations matching the month and holiday type selected above.

MORE DATES TO CONSIDER

Warm weather outside the hottest months

City or region
Chile · 2016–2025

Iquique: when to visit without the strongest heat?

The warmest month is February, averaging 26.4°C by day. Days reaching at least 30°C accounted for 0%.

Warmest month26.4°CFebruary

Period to consider Warmest month Bar height: daytime temperature, scale 21–26°C.

For this temperature range, there is no clearly less hot alternative outside the three warmest months. Try another holiday type or city.

How are periods selected?

We exclude the three months with the highest mean daytime maxima. Among the others, we rank months with fewer days at 30°C or above and at least two suitable days per week. The hottest months vary by location.

12 MONTHS · 12 STARTING POINTS

South America month by month: where to go sightseeing?

Temperatures of 18-28°C and precipitation below 1 mm a day. Suggestions based on historical data from 2016-2025.

WEATHER HISTORY · NASA POWER

Temperature in South America through the months

Compare selected cities. Select a temperature for that month’s weather details.

Average daily high, 2016–2025 (°C)
CityJanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro282928272525242527272628
São Paulo282828262423242529282829
Lima242424242322222222222223
Cuzco151414141415151616161615
Buenos Aires282825221714141518212427
Santiago303028242016171821232729
Montevideo262624211714131416192225
Manaus292929282929293233333230
EXPLORE A DESTINATION

Countries and weather forecasts: South America

Full forecast directory. A country’s inclusion is not a travel recommendation.

Brazil Forecast and climate ↗Peru Forecast and climate ↗Argentina Forecast and climate ↗Isla Margarita Forecast and climate ↗Ecuador Forecast and climate ↗Venezuela Forecast and climate ↗Colombia Forecast and climate ↗Bolivia Forecast and climate ↗Chile Forecast and climate ↗Falkland Islands Forecast and climate ↗Guyana Forecast and climate ↗Paraguay Forecast and climate ↗South Georgia and the South Sandwich Islands Forecast and climate ↗Suriname Forecast and climate ↗Uruguay Forecast and climate ↗
QUESTIONS BEFORE YOUR TRIP

Weather in South America - what should you know?

When is the best time to go in South America?

There is no single best month for the whole region. Use the calendar and planner to compare cities, temperatures and days with little rain. Choose a temperature range that suits sightseeing or relaxation.

Where can I find forecasts and historical weather comparisons?

The map shows the current forecast for the displayed dates. The calendar and planner compare temperatures and rainfall using historical data.

What does a week with little rain mean?

All seven consecutive days had less than 1 mm of precipitation each. We compare complete, overlapping weeks within a month.

Where do the temperature and rainfall statistics come from?

We use NASA POWER / MERRA-2 data from 1981-2025 for grid cells assigned to cities. The table and calendar cover 2016-2025; you can change the period in the planner.

NASA POWER methodology ↗

Travel regions follow this site’s grouping; overseas territories may have a different climate from their parent country. Map boundaries: Natural Earth. About the data and methods

Plan your trip

Travel offers: Rio de Janeiro

Partner offers

Hotel and accommodation map

Booking.com · Rio de Janeiro

Activities and tours

GetYourGuide · Rio de Janeiro