BrazilAverage weather for Petrópolis in December
It's warm in December in Petrópolis with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 31°C. At night, you can expect temperatures between 20°C and 22°C.
Start of December
The month of December starts in Petrópolis with hot temps, averaging around 29°C during the day and nights around 21°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
Mid December
By mid-December, daytime temps rise to around 30°C, with nights around 22°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of December
By the end of December, the average daytime temperature in Petrópolis is around 30°C, while nighttime temps are about 22°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In December, there is an average of 110 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Petrópolis in December |
New York | ||
|---|---|---|---|
 Average temperature |
29°C | 9°C | |
 Max. temperature |
31°C | 12°C | |
| Min. temperature |
27°C | -5°C | |
 Total precipitation |
110 mm | 133 mm | |
| Rainy days |
7 days | 17 days | |
November
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is December a good time to visit Petrópolis?
Looking for sun? December isn’t a good month to be in Petrópolis. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 38°C in 2015, Petrópolis reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 21°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 28°C.
Check out the climate of Petrópolis for all months and discover the best travel time
Curious about the weather in other parts of Brazil? Check out the climate and weather for spots like Rio de Janeiro, Salvador, Pipa, or explore other destinations in Brazil.
Daily Temperature in December in Petrópolis
This chart shows the average daily high and low temperatures in December for Petrópolis, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Petrópolis
The chart below shows the average daily precipitation in December for Petrópolis, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 7 days of precipitation in Petrópolis.
Daily UV index in December in Petrópolis
This chart shows the average daily UV index in December in Petrópolis, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Petrópolis over the years
This chart shows the average temperature in December in Petrópolis, measured in degrees Celsius, over the past few years.
Total precipitation in December in Petrópolis over the years
This chart shows the average precipitation in December in Petrópolis, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in December for Petrópolis
Click on any day in December to get detailed info about the usual weather on that day in Petrópolis. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Petrópolis
Have you been to Petrópolis in December?
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Average weather in Petrópolis by month
Click on a month below to see detailed weather info for Petrópolis. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Petrópolis for all months at once
