Guarulhos Weather in December

December in Guarulhos typically sees daytime highs of 28°C (82°F) and nighttime lows of 18°C (64°F). December falls within the rainy season, so heavy rainfall is to be expected.

Rainfall in Guarulhos in December

As part of the rainy season, Guarulhos sees around 24 days of rain in December, with an average of 189 mm (7.4 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Guarulhos in December

Temperatures in Guarulhos in December top out at 28°C (82°F) and drop to 18°C (64°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Guarulhos in December

The area experiences a moderate amount of sunshine, with approximately 150 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.

Should you favor a climate that's both dry and comfortably warm, April, May, June, July, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.