Petrópolis Weather in December

December in Petrópolis typically sees daytime highs of 30°C (86°F) and nighttime lows of 21°C (70°F). December falls within the rainy season, so heavy rainfall is to be expected.

Rainfall in Petrópolis in December

As part of the rainy season, Petrópolis sees around 23 days of rain in December, with an average of 307 mm (12 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Petrópolis in December

December in Petrópolis brings high temperatures, with highs of 30°C (86°F) and nights around 21°C (70°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.

Sunshine in Petrópolis in December

With about 182 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Petrópolis. Our weather planner can help you explore destinations with more pleasant weather conditions.

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

Petrópolis Temperature in December

Min Temperature 21°C (70°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 75%  

Precipitation 307 mm (12 in)  

Rainy days 23 days  

Humidity 80% *  

Sunshine 182 hours *  

Percentage Sunshine *  

* Data from: Rio de Janeiro, Brazil (45 KM, 28 Miles).

What to Wear in Petrópolis in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Petrópolis 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 Petrópolis's climate page.

More climate data for Petrópolis

Temperature Rainfall Sunshine Humidity

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