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Guarujá Weather in May
May in Guarujá brings high temperatures, with highs of 24°C (75°F) and nights dropping to 20°C (68°F). Rainfall is on the higher side this month, averaging around 130 mm (5.1 in), so keep a rain jacket handy.
Rainfall in Guarujá in May
On average, there are about 12 days with rain during this month, averaging 130 mm (5.1 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Guarujá in May
In May, Guarujá gets high temperatures, with highs of 24°C (75°F). Nights cool 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. Nights drop to around 20°C (68°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Guarujá in May
The city usually sees around 160 hours of sunlight, indicating a moderately sunny period.If you prefer dry days with pleasant temperatures, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Guarujá Temperature in May
Min Temperature
20°C (68°F)
Max Temperature
24°C (75°F)
Chance of Rain
41%
Precipitation
130 mm (5.1 in)
Rainy days
12 days
Humidity
81% *
Sunshine
160 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 May, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows typically ranging from 14°C (57°F) to 16°C (61°F).
Average temperatures in May
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 May
Historical weather records for Guarujá in May
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 May
Based on 27 years of weather observations (1999-2026), these are the most extreme conditions recorded in Guarujá.
- Guarujá recorded its highest May temperature of 37°C (99°F) on May 2, 2024.
- Guarujá experienced its chilliest May day on May 22, 2026, reaching only 18°C (64°F).
- Guarujá registered its coldest May night on May 13, 2023, with temperatures dropping to 5°C (41°F).
- The wettest May day on record brought 66 mm (2.6 in) of precipitation to Guarujá (May 28, 2009).
Best Places in Brazil in May
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in May →
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 May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Guarujá in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Guarujá 3-Day Forecast
More climate data for Guarujá
Temperature Rainfall Sunshine Humidity
See the full Guarujá climate overview or explore weather in Brazil.
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Where to go in May - average daytime high across popular destinations.
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