Jundiaí Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Jundiaí.
Climate overview of Jundiaí
With consistently stable weather, Jundiaí, São Paulo State, Brazil, sees little seasonal temperature change. Daytime highs average 27°C (81°F), ranging from 29°C (84°F) in February to 24°C (75°F) in July.
The city receives considerable rainfall, with around 1513 mm (60 in) annually. January is the wettest month. It has a distinct rainy season from December to February. The sunniest month is May, with 8.4 hours of sunshine per day on average.
Jundiaí Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Jundiaí — and find the best time to visit.
Monthly Temperature in Jundiaí
The climate in Jundiaí remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in February to a comfortable 24°C (75°F) in the coolest month, July.
Nights vary from 19°C (66°F) in February to around 12°C (54°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Jundiaí
Jundiaí is known for its substantial rainfall, with annual precipitation reaching 1513 mm (60 in). The climate in Jundiaí shows significant variation throughout the year. Expect heavy rainfall in January, the wettest month, with an average of 264 mm (10 in) of precipitation over 25 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 39 mm (1.5 in) of rainfall over 10 rainy days. For more details, please visit our Jundiaí Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Jundiaí
Jundiaí offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (8.4 hours daily) and February (5.9 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Jundiaí by Month
The relative humidity is high throughout the year in Jundiaí.
The city experiences its highest humidity in January, reaching 76%. In August, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Jundiaí
The weather does bring rainfall during this period, between 39 mm (1.5 in) and 131 mm (5.2 in).
Plan accordingly for January, February, November and December, when conditions bring the heaviest precipitation. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Jundiaí
What is the best time to visit Jundiaí?
April, May, June, July, August and September typically offer the most optimal weather in Jundiaí. In contrast, January tends to have less optimal conditions. Jundiaí has a distinct rainy season from December to February.
What temperatures can I expect in Jundiaí?
Daytime highs range from 24°C (75°F) in July to 29°C (84°F) in February. Nighttime lows range from 12°C (54°F) to 19°C (66°F). Temperatures stay relatively stable year-round.
How much rain does Jundiaí get?
Annual rainfall is around 1513 mm (60 in). January is the wettest month with 264 mm (10 in), while August is the driest with 39 mm (1.5 in).
How sunny is Jundiaí?
Jundiaí receives around 2,663 hours of sunshine per year. May is the sunniest month with 251 hours, while February is the cloudiest with just 178 hours. Overall, Jundiaí enjoys abundant sunshine.
Jundiaí 3-Day Forecast
Jundiaí 3-Day Forecast
Jundiaí on the map
Jundiaí is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Fortaleza
31°C (88°F) Salvador
26°C (79°F) Rio de Janeiro
26°C (79°F) Búzios
25°C (77°F) Sao Paulo23°C (73°F) Paraty23°C (73°F) Florianópolis21°C (70°F) Gramado
19°C (66°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
The 5 most tranquil retreats in the Amazon Rainforest, Brazil
Discover top sustainable lodges in the Amazon. Enjoy unique wildlife, eco-friendly stays, and immersive experiences at Anavilhanas, Cristalino, and more.
An alternative way to discover Rio de Janeiro
Don't feel like seeing the traditional tourist sights in Rio de Janeiro? We have made an overview of the sights in Rio de Janeiro that you must see if you want to visit Rio in an alternative way.
Iguazu Falls
Iguazu Falls are among the largest waterfalls on earth. You will be speechless when you see this miracle of mother nature. They are included in the World Heritage List and have also been named one of the seven wonders of the world.