Guarujá Weather in December
December in Guarujá sees daytime temperatures around 27°C (81°F) and lows of 23°C (73°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Guarujá in December
As part of the rainy season, Guarujá sees around 20 days of rain in December, with an average of 191 mm (7.5 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Guarujá in December
December in Guarujá sees highs of 27°C (81°F) and lows of 23°C (73°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 23°C (73°F), the nights are warm and generally comfortable.
Sunshine in Guarujá in December
The area enjoys a moderate level of sunlight, with around 136 hours. It's a good balance between sunny and rainy days.If your ideal day consists of dry skies and pleasant temperatures, August typically offers the best circumstances for Guarujá.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Guarujá's climate page.
Guarujá Temperature in December
Min Temperature
23°C (73°F)
Max Temperature
27°C (81°F)
Chance of Rain
68%
Precipitation
191 mm (7.5 in)
Rainy days
20 days
Humidity
79% *
Sunshine
136 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Guarujá typically stay consistent throughout December, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in December
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 December
Historical weather for Guarujá in December
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 December
The extremes listed below come from historical weather data collected in Guarujá from 1976 through 2025.
- The hottest December day on record in Guarujá reached 39°C (102°F) (December 27, 1997).
- The coldest December day was on December 9, 1981, with a maximum of 20°C (68°F).
- The lowest overnight temperature recorded in December was 12°C (54°F) (December 9, 2018).
Best Places in Brazil in December
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Guarujá in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Guarujá in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Guarujá's climate page.
Temperature Rainfall Sunshine Humidity
See the full Guarujá climate overview or explore weather in Brazil.
