Guarulhos Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Guarulhos.
Climate overview of Guarulhos
The climate in Guarulhos, São Paulo State, Brazil, is remarkably consistent, with temperatures year-round averaging 26°C (79°F). The warmest month is February at 29°C (84°F), and the coolest is June at 24°C (75°F).
Rainfall is high, totalling around 1462 mm (58 in) per year. January is the wettest month and August the driest. The city also experiences a distinct rainy season from December to February. July is the sunniest month, averaging 6.2 hours of sunshine per day.
Guarulhos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Guarulhos - and find the best time to visit.
Monthly Temperature in Guarulhos
In Guarulhos temperatures are generally consistent throughout the year. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in February, the warmest time of the year, to a comfortable 24°C (75°F) during cooler months like June.
At night, you can expect temperatures ranging from 19°C (66°F) in February to around 12°C (54°F) during June.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Guarulhos
Guarulhos experiences significant rainfall throughout the year, averaging 1462 mm (58 in) of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, January it receives heavy rainfall, averaging 240 mm (9.4 in) of precipitation, recorded across 25 rainy days. In contrast, the driest month August brings less rainfall, with 43 mm (1.7 in) over 10 rainy days. For more details, please visit our Guarulhos 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 Guarulhos
While the amount of sunshine in Guarulhos 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
Daily hours of sunshine
Humidity in Guarulhos by Month
The relative humidity is high throughout the year in Guarulhos.
The city experiences its highest humidity in January, reaching 80%. In August, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Guarulhos
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 and December
- Most sunshine: May and July
- 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 Guarulhos
What is the best time to visit Guarulhos?
April, May, June, July, August and September typically offer the most optimal weather in Guarulhos. In contrast, January and February tend to have less optimal conditions. Guarulhos has a distinct rainy season from December to February.
What temperatures can I expect in Guarulhos?
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 Guarulhos get?
Annual rainfall is around 1462 mm (58 in). January is the wettest month with 240 mm (9.4 in), while August is the driest with 43 mm (1.7 in).
How sunny is Guarulhos?
Guarulhos receives around 1,998 hours of sunshine per year. July is the sunniest month with 187 hours, while December is the cloudiest with just 150 hours.
Guarulhos 3-Day Forecast
Guarulhos on the map
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