Arujá Weather in December

December in Arujá 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 Arujá in December

Arujá is in the rainy season in December, with rain on around 23 days and an average of 197 mm (7.8 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Arujá in December

Expect highs of 28°C (82°F) in Arujá in December, with nights dropping to around 18°C (64°F). Overall, the month follows a fairly predictable daily temperature pattern. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Arujá in December

With about 150 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August and September typically offer the best weather for Arujá.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Arujá's climate page.

Arujá Temperature in December

Min Temperature 18°C (64°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 76%  

Precipitation 197 mm (7.8 in)  

Rainy days 23 days  

Humidity 80% *  

Sunshine 150 hours *  

Percentage Sunshine *  

* Data from: Sao Paulo, Brazil (36 KM, 22 Miles).

What to Wear in Arujá in December

Warm but pleasant conditions in Arujá in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Arujá in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our Arujá's climate page.

More climate data for Arujá

Temperature Rainfall Sunshine Humidity

See the full Arujá climate overview or explore weather in Brazil.