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Guarujá Weather and Climate: A Comprehensive Guide

Guarujá is located in Santo Amaro island. It's a a popular weekend destination for mostly families from São Paulo because they can get there driving in less than one hour. Traffic gets very heavy during the evening in December when the school summer/Christmas holiday starts to coincide.

Despite the fact that it is located just outside the tropics, Guarujá has a tropical rainforest climate with no real dry season. The city features warm weather throughout the year, though from June till September the weather in Guarujá is somewhat cooler.

Average maximum day and minimum night temperature

The temperature in Guarujá remains steady throughout the year, providing a consistently comfortable climate. Average daytime temperatures reach a comfortable 28°C in February. In July, the coolest month of the year, temperatures drop to a comfortable 23°C.

At night, you can expect cooler temperatures, with averages dropping to around 18°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Guarujá has a relatively rainy climate with high precipitation levels, averaging 1980 mm of rainfall annually. Guarujá can be quite wet during January, receiving approximately 241 mm of precipitation over 21 rainy days.

In contrast August, experiences much drier conditions, with 98 mm of rainfall, spread across 11 rainy days. For more details, please visit our Guarujá Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Guarujá can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 5.3 hours of sunshine daily. In contrast, the city experiences much darker days in September, with only 3.0 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Santos, Brazil (8 KM, 5 Miles).

Daily hours of sunshine

Data from: Santos, Brazil (8 KM, 5 Miles).

Forecast for Guarujá

Sat   Dec 21
28°C | 23°C
SW 3 m/s
12 mm
broken clouds and thunder

broken clouds and thunder

Sun   Dec 22
27°C | 23°C
S 3 m/s
7.2 mm
broken clouds and rain

broken clouds and rain

Mon   Dec 23
25°C | 22°C
S 4 m/s
28 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Guarujá in Brazil

During the months of May, June, July, August, September, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Guarujá?
    February has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Guarujá?
    The coldest month is July with an average maximum temperature of 23°C.
  • Which is the wettest month in Guarujá?
    January tops the wettest month list with 241 mm of rainfall.
  • Which is the driest month in Guarujá?
    August is the driest month with 98 mm of precipitation.
  • Which is the sunniest month in Guarujá?
    May is the sunniest month with an average of 160 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.