30YearWeather
Sao Paulo in January
Sao Paulo weather in January - Brazil
🌧️Wet Season

Sao Paulo Weather in January

Plan your January trip to Sao Paulo, Brazil. Based on 30 years of NASA data, expect temperatures of 27°C (high) to 19°C (low), with 62% rain probability and 8 hours of daily sunshine. Pack rain gear for around 31 rainy days.

Avg High
27°C

Hottest around day 17

Avg Low
19°C

Coolest around day 5

Rainy Days
31days

62% avg rain chance

Sunshine
8hrs/day

Winter season

Sao Paulo January Weather Calendar

Click any day to see detailed weather information

Currency

BRL

R$ Brazilian real

Language

Portuguese

Driving

Right side

Safety

Moderate Safety

GPI: 2.465

Travel Intelligence

Exclusive flight analytics & health data for Sao Paulo

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
100/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Jun

Low

Feb

Monthly Traffic Distribution

400
Jan
342
Feb
370
Mar
464
Apr
466
May
1604
Jun
1165
Jul
452
Aug
468
Sep
406
Oct
438
Nov
429
Dec
Traffic Level
Low Season

Key Connections

Porto Alegre Salgado Filho (POA)
Recife Guararapes - Gilberto Freyre (REC)
Curitiba Afonso Pena (CWB)
Belo Horizonte Tancredo Neves (CNF)
Salvador Deputado Luiz Eduardo Magalhães (SSA)

Health & Safety Advisory

CDC travel health recommendations

9 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

There iselevated chikungunya riskin Brazil.Chikungunya vaccinationmay be considered for people traveling or moving to this location if they are planning to stay for an extended period of time (for example, 6 months or more).

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Brazil.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Brazil. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Brazil.

Malaria

CDC recommends that travelers going to certain areas of Brazil take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasAll areas in the states of Acre, Amapá, Amazonas, Rondônia, and RoraimaPresent in the states of Maranhão, Mato Grosso, and Pará, but rare cases in their capital cities (São Luis [capital of Maranhão], Cuiabá [capital of Mato Grosso], Belém [capital of Pará])Rare cases and sporadic foci of transmission in rural and forested areas in the states of Espírito Santo, Goiás, Minas Gerais, Mato Grosso do Sul, Piauí, Rio de Janeiro, São Paolo, and TocantinsNo malaria transmission in the cities of Brasília (the capital), Rio de Janeiro, or São PaoloNo malaria transmission at Iguaçu FallsDrug resistanceChloroquineSpeciesP. vivax(90%)P. falciparum(10%)Recommended chemoprophylaxisAtovaquone-proguanil, doxycycline, mefloquine, tafenoquine2Areas with rare cases: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only)4Updated April 23, 2025See footnotes

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

+3 more

Source: CDC Travelers' Health

View Complete Health Guide

Is January a Good Time to Visit Sao Paulo?

👌A reasonable choice for your trip
Short Answer

January falls in Sao Paulo's wet season: 62% rain probability with average 6mm rainfall. Pack waterproofs and plan flexible indoor alternatives.

Decision Factors

High rainfall period

62% rain probability, 6mm average

Vaccinations required

Yellow Fever

Very high humidity

84% average humidity

Off-peak season - fewer crowds

Only 25% of peak - better deals and quiet crowds

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Schistosomiasis

Plenty of sunshine

9.1h of sunshine daily

Good For

  • 💰
    Budget travelers

    Off-peak pricing with acceptable weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👴
    Elderly travelers

    84% humidity creates difficult conditions

  • 🥾
    Outdoor enthusiasts

    62% rain probability disrupts outdoor activities

  • 📸
    Photographers

    78% cloud cover limits natural light opportunities

  • 💑
    Honeymoon couples

    Wedding score only 68/100 - better months available

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Sao Paulo in January averages 27°C with 62% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Sao Paulo in January

What are the temperatures in Sao Paulo in January?

Daytime highs average 27°C, nights drop to 19°C. Temperatures remain fairly consistent.

How many rainy days in Sao Paulo in January?

Expect around 31 days with measurable rainfall. Definitely pack rain gear.

What to wear in Sao Paulo in January?

Comfortable casual wear with a light jacket for evenings.

Is January peak season in Sao Paulo?

This is off-peak season. Expect lower prices and fewer crowds.