Jacareí Weather in December

Jacareí in December sees high temperatures, with highs around 29°C (84°F) and overnight lows of 19°C (66°F). With the rainy season in full effect, expect around 183 mm (7.2 in) of rainfall and regular showers throughout the month.

Rainfall in Jacareí in December

As part of the rainy season, Jacareí sees around 22 days of rain in December, with an average of 183 mm (7.2 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Jacareí in December

December in Jacareí brings high temperatures, with highs of 29°C (84°F) and nights around 19°C (66°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 19°C (66°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Jacareí in December

You can expect a moderate amount of sunlight, with approximately 150 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

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.

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

Jacareí Temperature in December

Min Temperature 19°C (66°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 72%  

Precipitation 183 mm (7.2 in)  

Rainy days 22 days  

Humidity 80% *  

Sunshine 150 hours *  

Percentage Sunshine *  

* Data from: Sao Paulo, Brazil (73 KM, 45 Miles).

What to Wear in Jacareí 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! Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Jacareí 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 Jacareí's climate page.

More climate data for Jacareí

Temperature Rainfall Sunshine Humidity

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