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Jacareí Weather and Climate: A Comprehensive Guide

Jacareí maintains a fairly consistent warm average temperature. It also has a notably wet climate with much precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

With minimal seasonal shifts, Jacareí experiences a constant climate year-round. Average maximum daytime temperatures range from a comfortable 30°C in February, the warmest time of the year, to a comfortable 24°C during cooler months like July.

At night, temperatures typically drop to an average of around 12°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Jacareí has a notably wet climate with abundant precipitation, recording 1396 mm of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, January receives heavy rainfall, averaging 239 mm of precipitation, recorded across 22 rainy days. In contrast, the drier season, August brings less rainfall, with 40 mm over 9 rainy days. For more details, please visit our Jacareí Precipitation page.

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

Sunshine over the year

While the amount of sunshine in Jacareí varies throughout the year, all seasons offer their own charm. Enjoy up to 6.2 hours of daily sun in July, and experience slightly darker atmosphere in December, with about 5.0 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Sao Paulo, Brazil (73 KM, 45 Miles).

Daily hours of sunshine

Data from: Sao Paulo, Brazil (73 KM, 45 Miles).

Forecast for Jacareí

Sun   Dec 22
28°C | 20°C
S 5 m/s
13 mm
overcast and thunder

overcast and thunder

Mon   Dec 23
27°C | 20°C
S 5 m/s
2.7 mm
broken clouds and rain

broken clouds and rain

Tue   Dec 24
28°C | 19°C
SE 6 m/s
2.6 mm
partly cloudy and rain

partly cloudy and rain

The best time of year to visit Jacareí in Brazil

During the months of May, June, July and August 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 Jacareí?
    Most rainfall (rainy season) is seen in January, February, March, November and December.
  • Which is the warmest month in Jacareí?
    February has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Jacareí?
    The coldest month is July with an average maximum temperature of 24°C.
  • Which is the wettest month in Jacareí?
    January tops the wettest month list with 239 mm of rainfall.
  • Which is the driest month in Jacareí?
    August is the driest month with 40 mm of precipitation.
  • Which is the sunniest month in Jacareí?
    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.