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 June.
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, June.
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
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, July, August and September
- Warmest weather: January, February, March, October and December
- Most sunshine: May, July and August
- Fewest rainy days: May, June, July and August
- Wettest months: January, February, March, October, November and December, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from December to February
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 June 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 on the map
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