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Osasco Weather and Climate: A Comprehensive Guide

Osasco maintains a fairly consistent warm average temperature. It is also known for its large amounts of rainfall. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

The climate in Osasco remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a comfortable 29°C in February to a comfortable 24°C in the coolest month, July.

Nights are cooler, with lows often dropping to around 12°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Osasco is known for its substantial rainfall, with annual precipitation reaching 1445 mm. The climate in Osasco shows significant variation throughout the year. Expect heavy rainfall in January, with an average of 239 mm of precipitation over 25 rainy days.

In contrast, August offers drier and sunnier days, with around 42 mm of rainfall over 11 rainy days. For more details, please visit our Osasco Precipitation page.

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

Sunshine over the year

Osasco offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between July (6.2 hours daily) and December (5.0 hours daily) provides a bit of variety for visitors and residents. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Sao Paulo, Brazil (16 KM, 10 Miles).

Daily hours of sunshine

Data from: Sao Paulo, Brazil (16 KM, 10 Miles).

Forecast for Osasco

Sun   Dec 22
28°C | 20°C
SW 4 m/s
5.5 mm
broken clouds and thunder

broken clouds and thunder

Mon   Dec 23
25°C | 19°C
S 6 m/s
2.6 mm
broken clouds and rain

broken clouds and rain

Tue   Dec 24
25°C | 19°C
SE 5 m/s
2.2 mm
broken clouds and rain

broken clouds and rain

The best time of year to visit Osasco in Brazil

During the months of May, June, July, August and September 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 months have the greatest rainfall in Osasco?
    Most rainfall (rainy season) is seen in January, February, March, November and December.
  • Which is the warmest month in Osasco?
    February has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Osasco?
    The coldest month is July with an average maximum temperature of 24°C.
  • Which is the wettest month in Osasco?
    January tops the wettest month list with 239 mm of rainfall.
  • Which is the driest month in Osasco?
    August is the driest month with 42 mm of precipitation.
  • Which is the sunniest month in Osasco?
    July is the sunniest month with an average of 187 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.