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Guarujá Weather in October
October in Guarujá averages 24°C (75°F) during the day and 20°C (68°F) at night. Quite a bit of rainfall is typical this month, with around 167 mm (6.6 in) on average. An umbrella is a good idea.
Rainfall in Guarujá in October
Historically, the month has about 17 days of rain, averaging 167 mm (6.6 in) in total. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Guarujá in October
Expect highs of 24°C (75°F) in Guarujá in October, with nights dropping to around 20°C (68°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 20°C (68°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Guarujá in October
The month experiences a moderate amount of sunlight, with 109 hours of sunshine. This provides a nice balance between sunshine and clouds.If your ideal day consists of dry skies and pleasant temperatures, August typically offers the best circumstances for Guarujá.
Guarujá Temperature in October
Min Temperature
20°C (68°F)
Max Temperature
24°C (75°F)
Chance of Rain
57%
Precipitation
167 mm (6.6 in)
Rainy days
17 days
Humidity
81% *
Sunshine
109 hours *
Percentage Sunshine
*
* Data from: Santos, Brazil (8 KM, 5 Miles).
Guarujá Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Guarujá - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Guarujá typically stay consistent throughout October, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 18°C (64°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather records for Guarujá in October
Browse day-by-day weather records for Guarujá spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guarujá historical weather extremes in October
The extremes listed below come from historical weather data collected in Guarujá from 1976 through 2025.
- The hottest October day on record in Guarujá reached 38°C (100°F) (October 15, 2015).
- The lowest daytime temperature in October was 14°C (57°F), recorded on October 4, 1999.
- Nighttime temperatures dropped to 9°C (48°F) on October 12, 2010, marking the coldest October night on record.
Best Places in Brazil in October
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in October →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Guarujá in October
Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Guarujá in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Camping6/10
Guarujá 3-Day Forecast
More climate data for Guarujá
Temperature Rainfall Sunshine Humidity
See the full Guarujá climate overview or explore weather in Brazil.
Popular in October
Where to go in October - average daytime high across popular destinations.
Fortaleza
31°C (88°F) Rio de Janeiro
28°C (82°F) Salvador
28°C (82°F) Sao Paulo27°C (81°F) Búzios
25°C (77°F) Paraty
25°C (77°F) Gramado24°C (75°F) Florianópolis24°C (75°F) Bucket list
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